Update kotlin_version to v1.9.25 #27
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This PR contains the following updates:
1.3.50->1.9.251.3.50->1.9.25Release Notes
JetBrains/kotlin (org.jetbrains.kotlin:kotlin-stdlib-jdk7)
v1.9.25: Kotlin 1.9.25Note: This is a technical release for IntelliJ IDEA.
Changelog
Tools. JPS
KT-69204Generate lookups in dumb mode for compatibility with ref indexv1.9.24: 1.9.24Changelog
Backend. Wasm
KT-64890K/Wasm compiler crash with external class and KodeinCompiler
KT-65235JDK 21 might lead to change in overloads resolutionKT-66768K1: False positive UNRESOLVED_REFERENCE in super.getFirst/getLast callNative
KT-67218Native: nested classes in kx.serialization ProtoBuf produce empty array for release binaryTools. Gradle
KT-67139Build reports can be overriddenKT-67138Json report is empty for incremental compilationTools. Gradle. Multiplatform
KT-67127KMP: IDE Dependency Resolver for CInterops reports errors on linux and windows machinesKT-66514Don't get output file from Cinterop task for IDE Import if host os doesn't support itTools. JPS
KT-65043JPS dumb mode should respect maps needed for the compilerTools. Wasm
KT-67785Kotlin/Wasm: Node.JS 22 does not need experimental-wasm-gc flag anymoreKT-65864K/Wasm: update Node.js to 22.xv1.9.23: Kotlin 1.9.231.9.23
Apple Ecosystem
KT-65542Cinterop tasks fails if Xcode 15.3 is usedBackend. Wasm
KT-64486Kotlin/Wasm/WASI exported function callback for coroutines supportCompiler
KT-53478Could not load moduleKT-66044JDK's new API is used over Kotlin's SDK functionsKT-64640Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collectionsKT-65441K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfacesKT-65634K/N: data race during monolithic cache creationKT-53109CompilationErrorException generateUnboundSymbolsAsDependencies with builder inference and lambdasKT-52757Type inference for builders fails if inferred from a functionTools. Gradle
KT-65792Add JSON build reportKT-65091Update compiler metrics in build reportsKT-62490KGP dropping resource directoriesTools. Gradle. JS
KT-64119K/JS: Migrate package manager from Yarn onto NPMKT-64561K/JS tests are not executed after upgrade to 1.9.22Tools. Gradle. Multiplatform
KT-65954commonTest dependencies affect commoMainMetadata compilationTools. Gradle. Native
KT-64573Default value forproduceUnpackedKlibwas not providedv1.9.22: Kotlin 1.9.22Changelog
JavaScript
KT-63719KJS: Test results ignored for ES module kindKT-63808compileTestDevelopmentExecutableKotlinJs failed in JsIntrinsicTransformersNative
KT-64139Weird bug with while and coroutine in Kotlin NativeKT-63471linkDebugTestIosX64 Failed to build cache: NoSuchFileException bitcode_depsKT-63789Native: Incremental compilation problem with composeTools. CLI
KT-64485CLI: cache and optimize parsing of command-line argumentsTools. Gradle
KT-63990"Cannot query the value of property 'buildFlowServiceProperty' because it has no value available" with Isolated ProjectsTools. Gradle. Native
KT-63363Kotlin Gradle Plugin:KotlinNativeHostSpecificMetadataArtifactbreaks configuration cache, implicitly includes output file as configuration cache inputKT-63742Gradle wrongly caches Kotlin/Native compiler flagsTools. JPS
KT-64305Kotlin JPS builder requests chunk rebuild with graph implementationKT-64112Avoid using IJ's JPS mappings in Kotlin JPS testsKT-63799Make plugin classpath serialization path agnosticChecksums
v1.9.21: Kotlin 1.9.21Changelog
Compiler
KT-62885Introduce a language feature entry for expect actual classes for easier configuration of MPP projectsKT-63081Optimize new native caches: CachedLibraries.computeVersionedCacheDirectory()Docs & Examples
KT-55619DocumentString.formatfunctionIDE. Gradle Integration
KT-62877Artifact files collecting for project configuration was finished. Resolution for configuration configuration X will be skippedIDE. Gradle. Script
KT-60813Scripts: NoSuchMethodError: 'void org.slf4j.Logger.error(java.lang.String, java.lang.Object)' when dependency uses Slf4j APIJavaScript
KT-60785KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type errorKT-63207KMP / JS: "TypeError: <mangled_name> is not a function" with 1.9.20KT-62778package.json "main" field has .js extension when the result files have .mjs extensionKT-61795KJS: Incremental Cache is not invalidated ifuseEsClassescompiler argument was changedKT-61957KJS: "Uncaught ReferenceError: entries is not defined" caused by enum class with@JsExportand Enum.entries callKT-62444KJS with commonJS modules should re-export in 1.9.20KT-63184KJS / Serialization: JsExport on serializable interface creates erroneous TypeScriptKT-62190KJS: "IllegalStateException: Expect to have either super call or partial linkage stub inside constructor" caused by Compose and useEsModules()KT-58685KJS: "IllegalStateException: Not locked" cused by "unlock" called twiceKlibs
KT-62515Interop klib of concurrent version is not accepted when building dependent project: "The library versions don't match"Tools. CLI
KT-63139Incorrect kotlin implementation version (1.9.255-SNAPSHOT) in metadata infoTools. Gradle
KT-63499Gradle: Source sets conventions are still registeredTools. Gradle. JS
KT-59523MPP / KJS: ESM modules uses incorrect file extension on package.json (.mjs)Tools. Gradle. Kapt
KT-63366Kapt processing fails with custom source setsTools. Gradle. Multiplatform
KT-32608Create JUnit-XML result file in multiplatform gradle buildKT-63315Wasm gradle plugin DSL is invalid for parameterless wasmWasi methodKT-63338[KMP] metadata task fails to find cinterop classes from dependency projectsKT-63044KGP: Multiplatform - 8.4 configuration cache supportKT-63011Apple Framework Artifacts is not connected to KotlinNativeTaskKT-62601AS/IntelliJ exception after updating a KMP project with a macos target to Kotlin 1.9.20-RCTools. Incremental Compile
KT-61590K2/KMP: Expect actual matching is breaking on the incremental compilationTools. JPS
KT-63594ClassCastException in JPS statisticsKT-63651Fix NPE in Kotlin JPS after enabling graph implementation of JPSTools. Kapt
KT-57389KAPT3 uses a Javac API for JCImport which will break in JDK 21KT-60507Kapt: "IllegalAccessError: superclass access check failed" using java 21 toolchainTools. Scripts
KT-54819Scripts: Not able to use slf4j in .main.ktsKT-61727Scripts: Maven artifacts resolution is slowChecksums
v1.9.20: Kotlin 1.9.201.9.20
Analysis. API
New Features
KT-58834Analysis API: Add source shadowing feature to resolve extensionsPerformance Improvements
KT-57515LL FIR: Performance bottleneck inCompositeModificationTracker.getModificationCountKT-59266K2: optimize FirElementBuilder.getOrBuildFir for elements outside bodyKT-59454K2: drop resolve from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarationsKT-59453K2: completion regression from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarationsKT-59189Analysis API: KtFirKDocReference.resolveToSymbols is slowKT-58125K2: LL FIR:KtToFirMapping.getElementis slow forKtUserTypes due to on-air resolution of typesFixes
KT-59240K2: FirLazyResolveContractViolationException:lazyResolveToPhase(IMPORTS)cannot be called from a transformer with a phase IMPORTS from superTypesKT-58499K2: FirLazyBlock should be calculated before accessingKT-57966K2: Analysis API: Reference Shortener does not work correctly when called on entire fileKT-60954K2: Analysis API: Reference shortener does not work correctly with variable assignmentsKT-60940K2: Analysis API: Reference shortener incorrectly handles types in vararg parameters declarationsKT-60488Analysis API: forbid providing custom KtLifetimeToken for every analyze callKT-60728K2: proper support for scripts in LL FIR transformersKT-59159K2 IDE: declaration is not found exceptionKT-59297K2: exception from body resolve leads to corrupted state and broken analysisKT-59077KtFirExpressionTypeProvider behaviour for KtSimpleNameReferences in function callsKT-60586K2: forbid analyze from write actionKT-57743K2 IDE: StackOverflowError from LLFirSessionCache for simple JPS project with cyclic dependenciesKT-61026K2 Scripts: FirLazyExpression should be calculated before accessing from on-air resolveKT-61009K2 Scripts: KtFirExpressionTypeProvider: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSourceKT-60357K2 IDE. Reified types parameters are not resolved in a function bodyKT-60317K2 IDE. IAE "This method will only work on compiled declarations, but this declaration is not compiled" on invoking Find Usages for enum method in libraryKT-60706K2 IDE: FirJvmTypeMapper is not found for kotlin.kotlin-stdlib-commonKT-60552K2: merge StateKeeper and lazy body calculator for ANNOTATIONS_ARGUMENTS_MAPPING transformerKT-60641Analysis API: Scope for class org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl not found exception when stdlib is missingKT-60638K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSourceKT-54846Analysis API: add isExpect/isActual to KtSymbolKT-60448FirLazyResolveContractViolationException:lazyResolveToPhase(COMPILER_REQUIRED_ANNOTATIONS)cannot be called from a transformer with a phase COMPILER_REQUIRED_ANNOTATIONS from AllOpen pluginKT-59342K2 IDE. FirLazyResolveContractViolationException:lazyResolveToPhase(TYPES)cannot be called from a transformer with a phase TYPESKT-59687K2: Implement proper body update for in-block modificationsKT-59329Resolve Extensions reference resolution breaks Find UsagesKT-60295K2: move checkIsResolved for annotations from LLFirAnnotationArgumentsLazyResolver to LLFirTypeLazyResolverKT-59758K2: Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImplWithoutSource from ReturnTypeCalculatorWithJumpKT-60377K2 IDE: This method will only work on compiled declarations, but this declaration is not compiledKT-59685K2: rewrite on-air resolutionKT-60132K2: properties and functions without a name should be re-analyzable as wellKT-59199K2 IDE: PSI changes which do not cause OOB modifications can be unseen from the FIR elementsKT-59667Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutorKT-59705KotlinExceptionWithAttachments: No fir element was found for getterKT-59697AA standalone: JRT module paths are not properly populated in WindowsKT-59505K2: implicit type lazy resolution doesn't work for delegated declaration from other moduleKT-56426K2 IDE: Typealised functional types cannot be renderedKT-59598AA: stackoverflow while simplifying a type with a recursive type parameterKT-58497K2: Expected FirResolvedTypeRef for initializer type of FirPropertyImpl(Source) but FirImplicitTypeRefImplWithoutSource foundKT-59511AA standalone mode creates Application Environment for testsKT-58161Analysis API: Make methods inKtCallResolverMixInmore distinctive based on their receiver/return typeKT-59093Do not throw exception on KtCall resolution,KtCallElement.resolveCallshould returnnullon unknown casesKT-59243K2: FirLazyResolveContractViolationException:lazyResolveToPhase(IMPORTS)cannot be called from a transformer with a phase IMPORTS from permits typesKT-58194K2: Low Level API: use smart pointers to store references to PSI from FIR declarations for JavaElementKT-59133K2: java.lang.IllegalStateException: Fir is not initialized for FirRegularClassSymbolKT-58174K2: LL FIR: Invalid type reference for T & Any typeKT-52615LL FIR: build RAW FIR only by stubsKT-55053K2: Exception "lateinit property diagnostic has not been initialized" in FirBuilderKT-58580K2: LL FIR: Declarations provided by resolve extensions from a dependency module are not visible throughLLFirCombinedKotlinSymbolProviderKT-58992Analysis API: move org.jetbrains.kotlin.analysis.api.fir.utils.addImportToFile out of Analysis APIKT-58727K2: AA FIR: implicit type in delegated function treated as errorKT-58653K2: Analysis API: add functions for KtScope members access by nameKT-57559K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent on intellij projectKT-58262Analysis API: Declarations from Analysis API Resolve Extensions are not seen from completionKT-57455LL FIR: CombineAbstractFirDeserializedSymbolProviders in session dependencies (optimization)KT-57207LL FIR: CombineJavaSymbolProviders in session dependencies (optimization)KT-58546K2: LL FIR: support name collision in a designation pathKT-58495K2: Lazy calculation is redundantKT-58500K2: null cannot be cast to non-null type org.jetbrains.kotlin.fir.FirPureAbstractElementKT-58493K2: Expected FirResolvedTypeRef for default value type of FirValueParameterImpl(Source) but FirUserTypeRefImpl foundKT-58496K2: Expected FirNamedReference, FirErrorNamedReference or FirFromMissingDependenciesNamedReference, but FirExplicitSuperReference foundKT-58491K2: Expected FirResolvedTypeRef or FirImplicitTypeRef for return type of FirDefaultPropertyBackingField(Synthetic) but FirUserTypeRefImpl foundKT-56550LL FIR: implement parallel resolve for non-jumping phasesKT-58503Analysis API: KtFirNamedClassOrObjectSymbol.visibility/modality do not trigger STATUS resolveKT-57623K2 IDE: ConcurrentModificationException from getSuperConeTypesKT-58083K2: LL FIR: implement FakeOverrideTypeCalculatorAndroid
KT-27170Android lint tasks fails in Gradle with MPP dependencyBackend. Native. Debug
KT-61131Virtual functions trampolines have invalid debug infoBackend. Wasm
Fixes
KT-60244K/Wasm: make the compiler compatible with Wasm GC phase 4 (Final) specificationKT-61262K/Wasm: add a way to turn on k2 in wasm examples that don't use composeKT-61343K/Wasm: add a wasi example to kotlin-wasm-examplesKT-62147[Kotlin/Wasm] Nothing typed when expression cause a backend errorKT-59720K/Wasm: update to final opcodesKT-60834K/Wasm: investigate consequences of stopping usingbr_on_cast_failKT-59294WASM: localStorage Cannot read properties of undefined (reading 'length')KT-60835K/Wasm: fix compatibility with Node.js 20.*KT-60113K/Wasm: illegal cast when using 1.9.20-devKT-60496Compose-web Wasm crashes on remember { null } callsKT-58746K/Wasm: Make Arrays' constructors with size and lambda inline (similar to other implementations)KT-58993[K/Wasm] Fix w3c declarations with lambda parametersKT-59722K/Wasm: Support new encoding with flags for br_on_cast and br_on_cast_fail instructionsKT-59713K/Wasm: Implement enumEntries intrinsicKT-59082WASM: NullPointerException caused by companion with String type constantsKT-58941WASM Hang with extension delegate inside a ClassKT-60200K/Wasm: generate types without supertypes properlyKT-52178IR dump doesn't seem to work for Kotlin/WASM phasesKT-59556Wasm: critical dependency when using with webpackKT-58681K/Wasm: division remainder has a wrong signKT-56711Wasm: IllegalStateException caused by dynamic typeCompiler
New Features
KT-58551KMP: check all annotation from expect declaration are present on actualKT-58554KMP: restrict expect opt-in annotations and actual typealiases to annotations with special meaningKT-58545KMP: prohibit implicit actualization via JavaKT-58536KMP: prohibitexpect tailrec/expect externalKT-59764Make a frontend checker that reports cast to forward declaration as uncheckedKT-60528Updates for JVM/IR backend of kotlin-atomicfu-compiler-pluginKT-59558Add support for creating annotation instances with type parametersKT-52367Devirtualization algorithm improvementKT-58652Native: Implement frontend checkers for HiddenFromObjC on classesPerformance Improvements
KT-59600K2: CFG: do not add edges to nested classes and functionsKT-57860K/N: Functions with default arguments of value/inline class types have poor performance due to value class boxingFixes
KT-60387K2: IDE K2: "org.jetbrains.kotlin.fir.expressions.impl.FirArgumentListImpl cannot be cast to class org.jetbrains.kotlin.fir.expressions.impl.FirResolvedArgumentList"KT-61228False positive MUST_BE_INITIALIZED_OR_FINAL_OR_ABSTRACT_WARNING for effectively final propertiesKT-61643"Argument type mismatch" for mixed Java/Kotlin Project with Java 21KT-62389JDK 21: Cannot access class 'TimeUnit'. Check your module classpath for missing or conflicting dependenciesKT-56768K2. No error description on incomplete try catch declarationKT-52220FIR + LightTree - Consider building a single tree on parsing into LightTreeKT-60601K2 / Maven: Overload resolution ambiguity between candidates inline methodKT-62027"java.lang.IndexOutOfBoundsException: Empty list doesn't contain element at index 0" caused by ClassicExpectActualMatchingContext.kt when annotation@AllowDifferentMembersInActualusedKT-62747Wrong warning message when overriding vararg with Array during actualizationKT-62655Don't report a warning when new members and new supertypes are added to open expect actualizationKT-62313Kotlin/Native Compiler crash: ClassCastException in IntrinsicGeneratorKT-60902visibility vs upper bound expect actual matching conflictKT-61095K2: "IAE: source must not be null" from FirMultipleDefaultsInheritedFromSupertypesCheckerKT-47567'Val cannot be reassigned' error not reported in unreachable codeKT-59468K2: build realm-kotlinKT-62026KMP: Correctly handle a case when annotation on expect declaration is unresolvedKT-59476K2: build ClashForAndroidKT-59487K2: build KSP-playgroundKT-47409K1/K2: Investigate and align inference for equality (==) operatorKT-59393K2: Missing TYPE_ARGUMENTS_FOR_OUTER_CLASS_WHEN_NESTED_REFERENCEDKT-62127"NoSuchFieldError: TRUE$delegate" on referencing companion's variable in submoduleKT-62335Improve debuggability of code generator crashesKT-61165More than one overridden descriptor declares a default value for 'cause: Throwable?'. As the compiler can not make sure these values agree, this is not allowedKT-62263Turn "different expect/actual members" error into a warningKT-59969K2: Disappeared UNSUPPORTED_CONTEXTUAL_DECLARATION_CALLKT-61616K2:IrBuiltIns.extensionToStringfails during native compilationKT-59377K2: Missing CALL_TO_JS_MODULE_WITHOUT_MODULE_SYSTEMKT-61645K2/KMP: Set stdlib-native before stdlib-commonMain in dependencies for shared native metadata compilationKT-61924Native: problem with abstract fake override from AnyKT-61933K2: "Argument type mismatch: actual type is 'Foo<kotlin/Function0<kotlin/Unit>>' but 'Foo<kotlin/coroutines/SuspendFunction0<kotlin/Unit>>' was expected"KT-59471K2: build multiplatform-settingsKT-56077K2: build kotlinx.atomicfuKT-59465K2: build kotlinx-datetimeKT-60824K2 IDE: FirSyntheticCallGenerator: IAE: List has more than one elementKT-61856K2: "KotlinIllegalArgumentExceptionWithAttachments" on usage of javax.validation.constraints.Email.ListKT-54792Store program order of properties inside@kotlin.MetadataKT-56083K2: build ktorKT-23861Expect annotation should not be applicable wider than the actual oneKT-59466K2: build kotlinx-benchmarkKT-60830KMP, K2: expect actual annotation IR checker doesn't unwrap actual typealiases to annotationsKT-61668Put expect/actual diagnostics introduced in 1.9.20 release under 1.9 Language VersionKT-61725KMP: Annotation matching requirement for expect/actual leads to errors for annotations with@OptionalExpectationKT-47892False negative BREAK_OR_CONTINUE_OUTSIDE_A_LOOP withcontinueininitblock insideforKT-61784KMP: [DEFAULT_ARGUMENTS_IN_EXPECT_WITH_ACTUAL_TYPEALIAS] checker missed for companion functionsKT-61173K2: FirProperty.hasBackingField is true for an expect valKT-59743K2: erroneous binding of typealias with two type parameters to a class with one type parameterKT-60650KMP: prohibit problematic actual typealiasesKT-61461K2: Kotlin native metadata compilation breaks when stdlib is present in -librariesKT-61270Enabling Kotlin/Native caching causes 65K warnings from dsymutil when building Compose iOS appKT-58229K2/MPP/JVM: compiler codegen crash on call of inherited generic class's method with actual-typealias as value parameterKT-47702Support call of Java annotation constructor without specifying a default valueKT-56460K2: Do not re-run DiagnosticCollectorVisitor from FirInlineDeclarationChecker.checkChildrenWithCustomVisitorKT-55933K2: False negative Overload resolution ambiguity for call functions with named parameters if one of params is varargKT-59548FIR2IR: inconsistent generation of dispatch receiver for object methodsKT-55072K2: False positive "suspension point is inside a critical section"KT-58778JVM IR inline: add fake variables for debuggerKT-59404K2: Missing EXPECT_TYPE_IN_WHEN_WITHOUT_ELSEKT-59830K2. False negative [FINAL_SUPERTYPE] on extending final class through type aliasKT-60580K2: Not supported: class org.jetbrains.kotlin.fir.types.ConeFlexibleTypeKT-59391K2: Missing JS_BUILTIN_NAME_CLASHKT-59392K2: Missing NAME_CONTAINS_ILLEGAL_CHARSKT-58360Intrinsics for atomic update of array elementsKT-59165K2: Prohibit class literals with empty left-hand sideKT-60427K2@Metadataannotations contain outerType/outerTypeId information for non-inner nested classesKT-59376K2: Missing TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_ERRORKT-55221K2: No error reported for self-referencing local function with inferred return typeKT-59586K2: support JVM backend diagnostics in light tree modeKT-57780K2: Calling a constructor through a deprecated typealias doesn't report a deprecationKT-59110K2. "NotImplementedError: An operation is not implemented." error on incorrect@TargetannotationKT-59249K2: Empty varargs are not serialized to KLIBKT-55373K2. Unresolved reference error for type mismatch with callable referencesKT-55955K2: callable references are not properly resolved when in conflict with expected typeKT-60144JVM IR inline: backport primitive boxing in class literalsKT-60779K2: missing INTERFACE_CANT_CALL_DEFAULT_METHOD_VIA_SUPERKT-60587K2: Implement warning NO_REFLECTION_IN_CLASS_PATHKT-61145False negative NOTHING_TO_OVERRIDE when context receivers don't matchKT-59378K2: Missing FINITE_BOUNDS_VIOLATION and FINITE_BOUNDS_VIOLATION_IN_JAVAKT-61163Default params on actual check and inheritance by delegation compilation errorKT-60800[atomicfu-K/N]: turn on the tests for the K/N part of the compiler pluginKT-61029K2: Duplicates when processing direct overridden callablesKT-55196K2: False-negative CONST_VAL_WITH_NON_CONST_INITIALIZER on boolean .not() callKT-60862Kotlin Scripting: NoSuchMethodError for ExternalDependenciesResolver.addRepositoryKT-57963K2: MPP: Annotation calls should be actualizedKT-60854K2: IrActualizer incorrectly generates fake overrides for synthetic java propertiesKT-59665ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS isn't reported for actual typealias and fake-override actualizationKT-61039False positive ABSTRACT_MEMBER_NOT_IMPLEMENTED in K1 when expect actual super types scopes don't matchKT-61166Inherited platform declaration clash & accidental overrideKT-60531K2/JS: Report diagnostics before running FIR2IRKT-32275Embedding kotlin-compiler-embeddable into a Java EE App leads to CDI related deployment errorKT-57845K2. Unresolved reference error on calling Java references with fully qualified nameKT-58757K2: False-positive NON_PUBLIC_CALL_FROM_PUBLIC_INLINE error in case an inline fun is protected and is a part of an internal abstract class declarationKT-59736kotlinx.serialization + K2 + JS: e: java.lang.IllegalStateException: Symbol for kotlinx.serialization.json.internal/FormatLanguage.|-547215418288530576[1] is unboundKT-59071K2/MPP: internal declarations from common module are invisible in dependent source sets if there is more that one intermediate source set betweenKT-61167Runtime failure: ReferenceError: MyPromise is not definedKT-59408K2: Missing MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPESKT-61409Kotlin/Native: crash in kmm-production-sample (compose-app) with escape analysis enabledKT-57329K/N IR linkage issues due to the combination of static caches w/ Lazy IR & Compose compiler pluginKT-59247Kapt+JVM_IR: AssertionError on anonymous object in enum super constructor callKT-58576K2: IR actualization problems in MPP scenarioKT-61442K2: Consider stricter filtering on implicit integer coercionKT-61441K2: Wrong overload is chosen with ImplicitIntegerCoercion enabledKT-59328K2: property with compound getter and without explicit type: compilation failure, IAE "List has more than one element" at FirDeclarationsResolveTransformer.transformFunctionWithGivenSignature()KT-61159K2: OVERLOAD_RESOLUTION_AMBIGUITY between private top-level property in same file and top-level property in different moduleKT-59233K2: false-negative diagnostic on creating a callable reference to a function with free type variablesKT-61418k2: ImplicitIntegerCoercion to List leads to "IllegalStateException: Cannot find cached type parameter by FIR symbol"KT-61373False positive: "The opt-in annotation is redundant: no matching experimental API is used" with multiplatform code.KT-58884K2: NotAMockException for mock testing with lambda expression with MavenKT-58893K2: MockitoException for mock testing with lambda expression with GradleKT-59483K2: Build a Native appKT-57738K2: unresolved class fields and methods in kotlin scriptsKT-59449K2: Diagnostic messages contain debugging-style rendered FIRKT-59849K2: IllegalArgumentException: List has more than one elementKT-57553Implement deprecation for open val with backing field and deferred initialization in K1KT-57230Support Kotlin/Wasm in the K2 platformKT-59409K2: Missing DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDEKT-59058Companion object is not initialized on class constructor callKT-61017K2: intermediate expect/actual class results in expected class has no actual declaration in moduleKT-60181K2: "NotImplementedError: An operation is not implemented" with SpringKT-59472K2: build ReaktiveKT-54786MPP: "LazyTypeAliasDescriptor cannot be cast to class org.jetbrains.kotlin.descriptors.ClassDescriptor" caused by expected non-constant function argument on iOS if class is type aliasedKT-59753K2: NotImplementedError when using annotation with vararg with default value from other moduleKT-60883K2: FixtestRequireKotlinCompilerVersionin LV 2.0 branchKT-59747K2: cannot actualize expect class to Unit via typealiasKT-61054K2: "IAE: source must not be null" with -no-reflect on calling property getter with implicit invokeKT-57126[KLIB Reproducibility] Manifest is written using os-dependent line separatorsKT-60850K2: FIR2IR generates incorrect signature for fake overrides for common declaration if it called from a platform moduleKT-59218K2: return types of calls to@PolymorphicSignaturemethods inside try-expressions don't resolve to void when requiredKT-60002K2: Missing UNSUPPORTED_SUSPEND_TESTKT-61011K2 Scripts: FirRecursiveProblemChecker: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSourceKT-58906K2. "Backend Internal error: Exception during IR lowering" instead of CANNOT_INFER_PARAMETER_TYPE error when parameter type missing in lambdaKT-59490K2: build km-shopKT-60163K2: vararg annotation argument value is serialized not as an arrayKT-59355K2: Allow to actual classifier have wider visibility than the corresponding expect classKT-56179[K2/N]interop_objc_tests/multipleInheritanceClash.kttest failedKT-59411K2: Missing ENUM_CLASS_CONSTRUCTOR_CALLKT-59410K2: Missing TYPEALIAS_EXPANDED_TO_MALFORMED_TYPEKT-59382K2: Missing PROTECTED_CONSTRUCTOR_NOT_IN_SUPER_CALLKT-59901K2: Disappeared API_NOT_AVAILABLEKT-60474K2: False negative type mismatch for array literal with wrong numeric literalKT-59610K2: Calls to annotations with default values are serialized differently in K1 and K2KT-60139K2: Refactor handling of implicitly actual declarations (annotation & inline class constructors and property of inline class)KT-60793K2: IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirJavaTypeRefKT-60735K2: lateinit property diagnostic has not been initializedKT-60137K2: Quite complicated redeclaration error description is displayed for data classesKT-60639K2: IllegalStateException: Unsupported compile-time value GET_CLASS type=kotlin.reflect.KClass<p1.A>KT-56888CFA: Valid green in K1 -> red in K2.catch_end -> finally -> after_tryKT-60723K2: Nested finally block has extra jump edge if surrounding try block jumpsKT-60573K2: False positive/negative CONFLICTING_OVERLOADS for main functionsKT-60124K2: Conflicting declarations on extension properties with different upper-bounded type parameterKT-60259K2: Reflection target is missing on adapted function referncesKT-59036InstantiationError when instantiating annotation with a parameter type as a default parameter of another annotationKT-59094K2: Fix Scripting K2 testsKT-59711K/N: Implement enumEntries intrinsicKT-59748K2: Return type mismatch: expected Unit, actual Any? for when with an assignment in branchKT-60154K2: Expected some types errorKT-58139K2/MPP/metadata: compiler FIR serialization crash on complex expression as annotation argumentKT-59485K2: build Anki-AndroidKT-59415K2: Missing DATA_CLASS_OVERRIDE_DEFAULT_VALUES_ERRORKT-59710K/JVM: Implement enumEntries intrinsicKT-57984K2/JS fails with IdSignature clash for inherited expect/actual functionKT-59398K2: Missing NOT_SUPPORTED_INLINE_PARAMETER_IN_INLINE_PARAMETER_DEFAULT_VALUEKT-60645Native: dynamic caches are broken on LinuxKT-50221FIR: handle enhanced/flexible nullability inside withNullability properlyKT-59281JVM IR inline: incorrect type of created arrayKT-59507JVM IR inline: invocation of arrayOfNulls by function reference results in exceptionKT-58359Allow volatile intrinsics on inline function constant argumentsKT-60598K2: add OptIn checkers for command line argumentsKT-59766K2: ISE: Cannot find cached type parameter by FIR symbol during the coroutines library buildKT-59644K2: the companion object in anexpectclass requires to be explicitly defined for compileNativeMainKotlinMetadataKT-59640K2:expectconstructor requires callingthisorsuperbut didn't use toKT-58883K2: False negative type mismatch for generic annotation in collection literalKT-59581K2: Initializer type mismatch: expected Array<KClass<*>>, actual Array<KClass> in annotation parameter default value using array literalKT-59069K2 does not report EXPECTED_CLASS_CONSTRUCTOR_DELEGATION_CALLKT-59416K2: Missing EXTERNAL_INTERFACE_AS_REIFIED_TYPE_ARGUMENTKT-59417K2: Missing CALL_FROM_UMD_MUST_BE_JS_MODULE_AND_JS_NON_MODULEKT-59381K2: Missing CALL_TO_JS_NON_MODULE_WITH_MODULE_SYSTEMKT-59384K2: Missing DYNAMIC_NOT_ALLOWEDKT-59406K2: Missing PROPERTY_DELEGATION_BY_DYNAMICKT-60247K2: order of data class generated member differs in IRKT-57223K2: false-negative INAPPLICABLE_JVM_NAME on non-final properties outside interfacesKT-60183K2: INAPPLICABLE_JVM_NAME on private methods with all-open pluginKT-60120K2 can't get a default parameter value of expect annotationKT-57240K2 MPP: Actualization doesn't work for flexible typesKT-60436K2: investigate possible FirJavaTypeRef equals parameter in FirDataFlowAnalyzer.hasEqualsOverrideKT-60299K2: when a typealias toUnitis returned, an explicitreturnis now requiredKT-58005K2: Unsupported compile-time value BLOCK for Repeatable annotationsKT-60223K2: Wrong import with import aliasKT-54854K2. Unresolved reference for not imported declaration when it is already imported as an import alias is absent in K2KT-59738K2: NoSuchElementException from JvmValueClassLoweringDispatcher in MPP environmentKT-59708K2: "Property must be initialized or be abstract" occurs due to constructors orderKT-58483K2. -Xmulti-platform flag isn't workingKT-53490FIR: Refactor augmented assignment resolving code - fix lhs-related problems and combine similar code in array and assign operator handlingKT-59673K2: incorrect error messageKT-58578K2: Commonize expect-actual logic between FIR and IR actualizerKT-54989FIR2IR: fragile code in postfix op detectionKT-59464K2: Investigate cases of implicit type refs in Fir2IrImplicitCastInserterKT-53898K2: False negative VAL_REASSIGNMENT on member valsKT-57641K2: "java.lang.NoSuchFieldException: INSTANCE" in kotlin-reflect forKClass.objectInstanceon an anonymous objectKT-59299[K2] ISE in IrBindablePublicSymbolBase.bind on equals function from companion of serializable classKT-58844Incorrect type mismatch error: "actual type is kotlin/Int but kotlin/Int was expected"KT-59413K2: Missing VALUE_CLASS_CANNOT_HAVE_CONTEXT_RECEIVERSKT-56173FIR: IrGenerationExtensions cannot see default values from expect declarationsKT-59611FIR2IR: Unsupported callable reference for enum entry with clashing nameKT-59858Kotlin Native: Compilation failed: Sequence contains more than one matching element, org.jetbrains.kotlin.backend.konan.lower.FunctionReferenceLowering$FunctionReferenceBuilder.buildClass(FunctionReferenceLowering.kt:644)KT-58539[K2] Ir actualization fails to match expect/actual declarations that use custom function typesKT-59775'toString()' on Object returns different result with concatenationKT-59737K2: Actual class 'actual class FastArrayList : AbstractMutableList, MutableListEx, RandomAccess' has no corresponding members for expected class members because of different parameter names in JavaKT-59613K2: Unhandled intrinsic in ExpressionCodegen exception in for expect function with default value in parameterKT-59216K2. Unhelpful unresolved reference when inheriting from interface with constructor call (K1 reports NO_CONSTRUCTOR instead)KT-59057Revise muted tests for native backendKT-57377K2/MPP: internal declarations from common module are inivisible for intermediate modules during metadata compilationKT-59693MPP: linkReleaseExecutableLinux fails with IllegalStateException: Drains have not been painted properlyKT-59362K2/MPP:.toByte()conversion for const val causes SourceCodeAnalysisException: java.lang.NullPointerException: nullKT-51670FIR: questionable behavior for deprecated String constructorsKT-35314StackOverflowError with nested try-finally and function with contractsKT-53460False positive smartcast warning in if block after if blockKT-40851False MUST_BE_INITIALIZED_OR_BE_ABSTRACT error for a property which is initialised in the init blockKT-59695K2: false negative NON_PUBLIC_CALL_FROM_PUBLIC_INLINEKT-41198False positive “Variable must be initialized” with assignment in scope function and safe callKT-58901K2. Value parameter default values are not checked for type mismatchKT-48115Member functions with type parameter and contract don't produce smartcastsKT-59541K2: Type checking has run into a recursive problem on code that was compiling with Language 1.9KT-58943K2: Incorrect with K1 priority of "invokeExtension + implicit receiver" candidateKT-37375[FIR] Incorrect invoke resolutionKT-59789K2: self-reference does not compile anymoreKT-59286JVM IR inline: local property not foundKT-58823K2: Android app crashes right after start: java.lang.NoSuchMethodError: No virtual method findViewById(I)Landroid/view/ViewKT-57754K2: No public signature built for the synthesized delegate fieldKT-58533K2: "Not enough information to infer type variable T" for generic call in throw expressionKT-34846FIR Java: enhance type parameter bounds properlyKT-52043FIR: FirValueParameter with SubstitutionOverride does not reference the original FIR declarationKT-59291JVM IR inline: unexpected result ofapiVersionIsAtLeastinvocationKT-59550K2: synthetic property isn't seen through JavaKT-59038[K2] IllegalStateException in mixed Java/Kotlin inheritanceKT-59489K2: builld spring-petclinic-kotlinKT-58908K2. Internal error "kotlin.UninitializedPropertyAccessException: lateinit property firType has not been initialized" on incompleteisKT-56755K2: Investigate failures related to line numbers with LT compilation enabledKT-56139K2: consider adding source element for implicit receiversKT-57489K2: Incorrectly generated line numbers in companion object access inside classKT-58947Run all existing codegen box tests with kapt stub generationKT-58827K2 reports ACTUAL_WITHOUT_EXPECT on the whole classKT-54917K2: ILT leak from a completed generic callKT-56187K2: type parameter's upper bound is ignored in callable referencesKT-56186K2: lack of type arguments in type constructor is ignored in callable referencesKT-59356K2: Restrict rules for matching of expect supertypes for actual classKT-57217K2: NoSuchMethodError ontoCharcall on java inheritor of java.lang.NumberKT-58356K2: StackOverflowError with OptIn and Deprecated, while compiling Kotlin projectKT-57954K2. Auto-generated "entries" member of enum class has higher priority than user-declared companion object with same name when language version is set to 2.0KT-59508K2: Make sure that warnings-severity nullability annotations are not perceived as reasons for nullability errorsKT-53820FIR: mismatching error message for invisible reference/memberKT-58641K2: PublishedApi has no effect when internal fun used in the test source setKT-59461K2: Erroneous null check when returning not-null typealias to nullable typeKT-58980K2: Import of java field from companion's base breaks the compilerKT-59140K2: "Symbol public final static field is invisible" caused by java static field called in kotlin codeKT-59501Escape analysis constructs arrays of negative sizeKT-59452apiVersionIsAtLeast calls in body of stdlib inline function may be evaluated on compile-timeKT-53967[PL] Classifiers: Turning interface from fun to non-fun + adding member function causes Kotlin/JS fail: IAE: "Sequence contains more than one matching element"KT-59346Not working breakpoints on not initialized variablesKT-55993Wrong current pointer: strange behaviour of debugger or compiler when two IFs and an uninitialized variable between themKT-58335K2: Exposed typealias from implementation dependency produces type mismatch in dependent moduleKT-58719K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract classKT-57694K2: False positive [NOTHING_TO_OVERRIDE] for a class overriding 'sort' method from the List collectionKT-58460K2. return without argument became allowed for functions with return type AnyKT-49249Incorrect nullability inferred for ThrowableKT-57429K2: Fix computing a mangled name for members of a generic class that reference the class's type parameters in their signatureKT-57566K2: Fix name mangling for functions that have dynamic type in their signatureKT-57818K2: Fix FirMangleComputer to not include the "special" package name into mangled names of property accessors on non-JVM platformsKT-57777K2: Fix computing a mangled name for the synthesizedentriesproperty getter of an enum classKT-57433K2: Fix computing a mangled name for top-level functions and propertiesKT-58553k2: Annotation type arguments are lost in FIR2IRKT-58184K2: False negative INVISIBLE_MEMBER on destructuring declarationKT-58637K2: False negative ABSTRACT_MEMBER_NOT_IMPLEMENTED on Entry of Enum with abstract member declarationKT-54952JvmSerializationBindings does not work with K2KT-54844FIR/Analysis API: create stubs for equals/hashCode/toString for data classes in FIRKT-58555K2: Generic property reference inside delegation misses type argumentKT-57648FIR: move deprecation calculation on COMPILER_REQUIRED_ANNOTATIONS phaseKT-57049K2 generates duplicates of symbols/declarationsKT-55723K2: deprecations for enum entries are not resolved on the TYPES phaseKT-59033Doesn’t support vararg parameter in annotation instantiation with empty argumentsKT-58780JVM IR inline: local property delegation is not working for K2KT-58779JVM IR inline: correctly process special inlined block in value class loweringKT-58720Generate full InnerClass attributes for the standard libraryKT-58215K2: JVM IR produces line numbers for delegation bridges that are not marked with ACC_BRIDGEKT-42696JVM IR generates line numbers for all bridges leading to extra steps in the debuggerKT-57228K2: annotations for interface member properties implemented by delegation are copiedKT-57216K2: non-trivial enum declaration does not have ACC_FINAL in the bytecodeKT-55866K2: Constant as parameter of@JvmName: BE: "Unsupported compile-time value CALL private final fun "KT-58717Object on the left-hand side of callable reference is not initialized ifKCallable.nameoptimization is usedKT-59211Kapt+JVM_IR: AssertionError on delegating to anonymous objectKT-57251K2: weird error message when trying to instantiate anexpectclass without explicit constructorKT-58623Language version 2.0: compiling into common, Native does not report "Protected function call from public-API inline function is prohibited", while JVM, JS doKT-55945NoSuchMethodError when calling method with value class parameter on java class inherited from kotlin classKT-58840K1/K2: false positive EXPOSED_FUNCTION_RETURN_TYPE related to protected lower boundKT-57243K2: no warning or error reported on expect class in CLI, and JVM backend tries to generate it to a .class fileKT-57833K2 reports NO_ACTUAL_FOR_EXPECT for inherited properties with the same nameKT-58153K2/MPP/JVM&Native: cannot override Any::toString when an expect-supertype has Any::toString override in actual-classKT-58124K2: FIR2IR compiler crash with MPP (Fir2IrSimpleFunctionSymbol is already bound)KT-58346k2: false negative MUST_BE_INITIALIZED for deferred initializationKT-57803K2. "Kotlin: Only the Kotlin standard library is allowed to use the 'kotlin' package" error missing in 2.0KT-57504[K2/N] Wrong coercion ofILT: 7to kotlinx.cinterop.COpaquePointer causesCannot adapt kotlin.Int to kotlinx.cinterop.CPointerduring autoboxingKT-57484K2: false positive OVERLOAD_RESOLUTION_AMBIGUITY with ImplicitIntegerCoercionKT-57971K1/K2: False positive "Redundant 'suspend' modifier" warning on declaration site when suspend function is also argumentKT-56779Checkers false negative: AbstractMethodError when accessing setter via an interface where the member is defined as var, but it's val in implementationKT-51793FIR: Investigate property+invoke resolution prioritiesKT-57003FIR: missing annotation on parameter ofdataclass' syntheticcopyKT-57269K2: collection stub forsortis not generated for custom List subclassesKT-54748K2: incomprehensible errors when type parameter has the same name as a classKT-50703FIR: Improve reporting UPPER_BOUND_VIOLATED for type arguments of typealias constructor callsKT-57622Fix incorrect metadata for data class generated methodsKT-54887K2: fix behavior of references to value classes equals/hashCode/toStringKT-58937K2: Annotation vararg arguments are incorrectly serializedKT-58621K2: Private class shadows public function defined in the same packageKT-59041K2. "IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource " on incorrect collection declarationKT-58665K2: Optional.of incorrectly accepts nullable StringKT-58938K2. Abstract class can be invoked using member reference::operatorKT-50798FIR: False negative UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSIONKT-58944K2. StackOverflowError on incorrect intersection typesKT-59241K2: broken inference of DNN typesKT-58294K2 compiler crashes with OOM on deserializing annotation applied to itself with a enum outer/nested parameterKT-58972K2: Error message of PRIVATE_CLASS_MEMBER_FROM_INLINE doesn't mention class membersKT-58989K2: Forbid suspend operator get/setValue and provideDelegateKT-59177K2: Report NAMED_ARGUMENTS_NOT_ALLOWED for named parameters in lambdasKT-57028K2: "NSEE: Sequence contains no element matching the predicate" with stream related Java apiKT-58007K2: Unsupported compile-time value GET_FIELD FIELD PROPERTY_BACKING_FIELD when const value is default for annotationKT-58472Secondary constructor breaks MUST_BE_INITIALIZED checkKT-59022Make is and as behaviour consistent in NativeKT-58902K2: Calls to overridden method with default parameter are not compiledKT-58549K2: variable type is infered to non-existing interfaceKT-58613K2: ConcurrentModificationException from FirSignatureEnhancement.performFirstRoundOfBoundsResolutionKT-55552K2. False negative TYPE_MISMATCH in implementation via delegationKT-57436Fix computing mangled names of generic properties from IR-based declaration descriptorsKT-58543[K2/N] Rewrite native MPP tests to avoid expect actual in same moduleKT-57701Unify selection of inherited callable with default implementation among multiple candidates in JVM, Native & JS backendsKT-58444K2/MPP/metadata: compiler FIR2IR crash on constant with intrinsic initializer from common source set in Native-shared source setKT-57756K2: Missing syntax errors when light tree parsing is usedKT-57435Fix computing mangled names for functions with context receiversKT-57219K2: incorrect relative order of normal and use-site-targeted annotations on property getter in the resulting bytecodeKT-57955K2: "ClassCastException: class org.jetbrains.kotlin.ir.declarations.impl.IrExternalPackageFragmentImpl cannot be cast to class org.jetbrains.kotlin.ir.declarations.IrDeclaration" with property delegateKT-58583K2: false-positive invisible reference error on nested anonymous object literal extending a protected nested classKT-57425K2: False-positive smartcast on property accessed through a property from another moduleKT-57844K2. Not relevant errors when accessing Java member which have private overloads with argument type mismatchKT-58584K2: "UninitializedPropertyAccessException: lateinit property packageFqName has not been initialized"KT-58529K2: "Extension function type is not allowed as supertypes" compile errorKT-58379K2: NEW_INFERENCE_ERROR in sortedBy call with exception in branchKT-58284K2: False negative ITERATOR_MISSINGKT-55078K2 IDE: Infinite recursion inorg.jetbrains.kotlin.fir.java.JavaScopeProvider#findJavaSuperClassKT-58080K2: False-positive TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM on annotated const valKT-58674K2: No expected type for while loop conditionKT-56523K2 should report MANY_INTERFACES_MEMBER_NOT_IMPLEMENTEDKT-58238Support dumping signatures and mangled names in irText testsKT-58456K2: Custom function type metadata breaks Compose library compatibilityKT-58267K/N: do not reference hidden Array.content* functions from the compilerKT-57791Native: Method returning String? leads to exception: Unexpected receiver type: kotlin.StringKT-58437K2: Do not use descriptors in KonanSymbolsKT-57432K2: Don't create default getters and setters in case when they are not neededKT-46047FIR: incorrect type of integer literalsKT-57487[K2/N] Stdlib ArraysTest fails withClass found but error nodes are not allowedKT-56951K2: False negative error on compound assignment for property of type ByteKT-57222K2: compiler FIR serialization crash on two functions with captured type and object literalKT-58224K2: deprecation on field is not detected properlyKT-55662K2. Incorrect type mismatch error "inferred type is IOT" instead of "inferred type is Int"KT-55668K2. 'in' modifier became applicable to star projectionKT-57064K2: hidden internals of dealing with type-aliased primitive types are exposed to userKT-58252K2: Symbol already bound for backing field during building resulting JS artifact for MPP projectKT-56940K/Wasm: report compiler errors for unsupported external declarationsKT-56943K/Wasm: implement@WasmImportdiagnosticsKT-55903K2: False negative CANNOT_CHECK_FOR_ERASED on is-check for type with reified type argumentsKT-56944K/Wasm: implement@JsFundiagnosticsKT-58329K2: False-positive suspend conversion for anonymous functionsKT-58028K2: False-positive TYPE_PARAMETER_IS_NOT_AN_EXPRESSIONDocs & Examples
KT-60545Documentation change on Interoperability with Swift/Objective-C: highlight that it is not normal to suppress errorsKT-50927Kotlin / Docs: Delete all the information about old Kotlin/WasmKT-61398Advertise hierarchy templates in 1.9.20-Beta what's newIDE
New Features
KTIJ-23199K2 IDE: Improve Import quick fix descriptionKTIJ-26056Support highlighting of KNM filesPerformance Improvements
KTIJ-26688UAST: optimize methodNameCanBeOneOfFixes
KTIJ-26782Internal error while highlighting "AndroidHighlighterExtension does not define or inherit highlightDeclaration"KTIJ-27188Bundled DevKit plugin + 1.9.20-Beta* constantly throws exceptions when opening another plugin codebaseKTIJ-25220Kotlin not configured dialog does not show if Kotlin stdlib is anywhere on classpathKTIJ-25563Failed cinterop task becomes UP-TO-DATE and successfully passes on the second importKTIJ-26536IDE in Java file resolves to property with the same name instead of method in the nested class from libraryKTIJ-25126K2 IDE. No import quickfix for Java static membersKT-60341K2 IDE: "UnsupportedOperationException: Unknown type CapturedType(*)?"KTIJ-25960K2 IDE: KDoc references to static java methods are not resolvedKTIJ-7642HMPP, IDE: False positive ''suspend' modifier is not allowed on a single abstract member' for common code if JVM target presentKTIJ-25745K2 IDE: "Type info" intention shows the return type of a functional type instead of the functional type itselfKTIJ-26501K2: IDE K2: False positive unused import when declaration used for vararg parameter typeKTIJ-26661K2 IDE. PIEAE “Element class CompositeElement of type FUN” after removing/putting back function with operator modifierKTIJ-26672K2 IDE: false positive in optimize import for ambiguity callsKTIJ-26760K2 IDE: OVERLOAD_RESOLUTION_AMBIGUITY false positiveKTIJ-26867K2 IDE: rename refactoring doesn't rename subclasses if they are used in import directivesKTIJ-26848K2 IDE: index inconsistency in case of "" nameKTIJ-26666K2 IDE: changed FirFile is treated as fully resolved after in-block modificationKT-59836Symbol Light Classes: Type parameters from the parent interface aren't copied to DefaultImpls methodsKT-28611MPP: Gradle -> IDE: settings provided viacompilationsDSL are not imported into common modules facetsKTIJ-25448When project JDK is less than one defines in jvmToolchain block, run with Idea fails withhas been compiled by a more recent version of the Java RuntimeKT-60603K2: Investigate intellij tests failures in branch 2.0KTIJ-25364K2 IDE: References to Java records are red: OVERLOAD_RESOLUTION_AMBIGUITY, UNRESOLVED_REFERENCEKTIJ-24390Kotlin assignment plugin: Imports are not recognized in build logic .kt files for Gradle buildKT-60590Fix light classes related tests in branch 2.0KT-60530K2 scripting: exception on .gradle.kts openingKT-60539K2: "KtInaccessibleLifetimeOwnerAccessException: org.jetbrains.kotlin.analysis.api.lifetime.KtReadActionConfinementLifetimeToken@3ce52fd9is inaccessible: Using KtLifetimeOwner from previous analysis" at highlightingKTIJ-26276K2 IDE: Optimize import drops used import aliasKT-60518K2 IDE. False positive [NON_MEMBER_FUNCTION_NO_BODY] when completing function withComplete current statementKT-60323K2 IDE. "KotlinExceptionWithAttachments: Unexpected returnTypeRef. Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImpl" exception on contract return typeKT-60352K2 IDE. Support Java RecordsKT-56503K2 IDE: FIR tree is incorrect in a case of ProcessCancelledException was thrown during phase executionKTIJ-25653K2 IDE. "KotlinExceptionWithAttachments: Containing function should be not null for KtParameter" exception on incorrect derived class declarationKT-59843SLC:KotlinAsJavaSupport.packageExists(viaKotlinStaticPackageProvider) said ROOT package doesn't exist if noKtFiles are givenKTIJ-26206Support retrieving KtType from annotation constructor calls on getters and settersKT-59445Recursion detected on input: JavaAnnotationImplKTIJ-26066K2 IDE. "KotlinExceptionWithAttachments: Unexpected returnTypeRef. Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImpl" on attempt to set contractKTIJ-26085K2 IDE: treat psi modification of a contact inside a body as OOBMKTIJ-25869K2 IDE. Expected FirResolvedTypeRef for return type of FirValueParameterImpl(Source) but FirImplicitTypeRefImplWithoutSource was foundKTIJ-24272K2 IDE: "Expected some types"KTIJ-24730K2 IDE. IllegalStateException on absence of opening bracket in main() functionKT-59533AA/SLC: anonymous object appears during PsiType conversion, resulting in IllegalArgumentException:KtFirPsiTypeProviderKt.asPsiTypeElementKT-59563Symbol Light Classes: Incorrect type erasure in $annotations methods for extension properties with generic parametersKT-57567SLC: missingfinalmodifier on enum (non-synthetic) membersKT-59537SLC: SymbolLightClassForAnonymousObject with null parentKTIJ-24121K2 IDE. "failed to convert element KtLightField" when trying to declare property after function that has return with type mismatchKTIJ-25335K2 IDE. "failed to convert element KtLightField:" on attempt to set property in class with constructorKT-59293Symbol Light Classes: DefaultImpls methods must be static and have an additional $this parameterKTIJ-25976K2 IDE: Fix "Unsupported compiled declaration of type" for type parametersKT-59325Symbol Light Classes: Non-existing fields for properties from companion objectsKT-57579SLC: unboxed type argument as method return typeKT-54804Generate synthetic functions for annotations on properties in light classesKT-56200Kotlin FIR reference resolve exception leaks user codeKT-58448K2 / IDE / SLC:findAttributeValuefor attribute w/ default value raises ClassCastExceptionIDE. Completion
Fixes
KTIJ-26518K2 IDE: Code completion does not insert import when completing a type in the vararg positionKTIJ-26713K2 IDE: Code completion does not insert import when completing a type inside a functional typeKTIJ-26597K2 IDE: "Change return type" quick fix adds full qualified name to anonymous functionKTIJ-26384K2 IDE: Extension functions completion should recognize context receiversKTIJ-26419K2 IDE: Completion in anonymous function inside when branch expression does not account for smart castKTIJ-26629K2 IDE: Completion of types in anonymous function return is not shortenedKTIJ-26599K2 IDE: Typingdo ... whilestatement: InvalidFirElementTypeException: "For DO_WHILE with text... FirExpression expected, but FirDoWhileLoopImpl found"KTIJ-26113K2 IDE: Completion in when branch does not account for smart casts ifelsebranch is presentKT-60451K2 IDE: FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is class org.jetbrains.kotlin.fir.expressions.impl.FirBlockImplKTIJ-21103FIR IDE: implement completion In KdocKTIJ-24096K2 IDE: Completion should insert the fully-qualified class name when the short class name clashes with a name from scopeKTIJ-25116K2 IDE: Name shortening in constructor's parameters affects constructorKTIJ-19863Bad completion variants inside annotationsIDE. Decompiler, Indexing, Stubs
KTIJ-26706Bytecode viewer: "IllegalStateException: Couldn't find declaration file" for a file with a delegated property with inline accessor in another moduleKTIJ-25465IDE hangs when indexing Kotlin projectKTIJ-25979K2 IDE: 'java.lang.IllegalStateException: Attempt to load decompiled text, please use stubs instead' exception if navigate to the decompiled KGP sourcesKTIJ-25985Stub mismatch for names with special charactersIDE. Gradle Integration
KTIJ-25334Gradle 8.1: Unresolved references in IDE for build.gradle.ktsKT-61777Explicit API mode isn't reflected in IDE settings unless every task is configured with GradleKTIJ-26306apiLevel (API version) for Kotlin/Native modules is set to 1.8 with KGP 1.9 and IDE Plugin 1.9.0-XXX, if the compiler bundled to IDE Plugin is still 1.8KT-61172MPP: Stacktraces of diagnostics are always printed during IDEA syncKT-48554[Multiplatform Import] Ensure consistency betweenGradleImportPropertiesandPropertiesProviderKT-36677MPP Gradle plugin doesn't respect manually set compiler arg-opt-inKT-58696MPP + IDEA: tryK2 does not affect LV value of common facetsKT-53875Warn users about erroneously adding dependsOn fromtesttomainKTIJ-23890Gradle to IDEA import: "You are currently using the Kotlin/JS Legacy toolchain" balloon is shown when I actually use IRIDE. Gradle. Script
KTIJ-25523Scripts: support for standalone configuration flagKTIJ-25910Scripts: transition to GistStorageKTIJ-26778Gradle 8.3: some parts of build.gradle.kts look unresolvedKTIJ-26308IAE “Unable to find script compilation configuration for the script KtFile: build.gradle.kts” on reopening project with build.gradle.ktsKT-60171K2 IDE: scripting freeze on kotlin project build.gradle.kts fileKT-60236K2 scripting: completion fails with exceptionKT-59801K2 IDE: Adding of an import with a task name to a build script leads to unresolved referencesKT-60749Scripting: default definition as a fallbackKT-60199K2 scripting: exception on script openingKT-60193K2 scripts: configuration discovery fails silently from time to timeIDE. Hints. Parameter Info
KTIJ-26824K2 IDE: "Parameter Info" shows incorrect overload as selectedIDE. Inspections and Intentions
New Features
KTIJ-26302K2 IDE: Support adding a@OptInannotation and suggesting to propagate opt-in requirement in quickFixesKTIJ-25002Provide a quick fix to migrate use-site 'get' annotations on gettersFixes
KTIJ-24832K2 IDE: 'Redundant qualifier name' false positive for nested classes from supertypes on the outside of a classKTIJ-26103K2 IDE: False positive in redundant qualifier inspectionKTIJ-26024K2 IDE: False positive "Redundant qualifier" inspection on a nested class which extends its outer classKTIJ-26576K2 IDE: "Redundant qualifier" false positive with referring parent's subclass in type constraintKTIJ-26785K2 IDE: False positive "Redundant qualifier" inspection in extension function for Java interface with nested interfaceKTIJ-26695K2 IDE. False negative "Redundant qualifier" directive for invoke function from objectKTIJ-26627K2 IDE: False positive "Redundant qualifier" inspection on extension property called on object when other 'this' is present in scopeKTIJ-23407K2 IDE. False positive unused import directive for invoke function from objectKTIJ-26808K2 IDE. "Redundant qualifier" inspection on the receiver of static method from Java may change semantic when receiver is not direct parentKTIJ-26840K2 IDE. False positive "Redundant qualifier" inspection when accessing companion object member inside anonymous object and there is a name clashKTIJ-26498KMP: Create expect-actual dialog selects incorrect path on WindowsKTIJ-24877K2 IDE. False negative unused import directive when declaration is available in file indirectlyKTIJ-25368K2 IDE. Specify type explicitly intention does not work with Java recordsIDE. JS
KTIJ-25023K/JS: Remove balloon warning about migration to IR backendIDE. Libraries
KTIJ-13660MPP library: No gutters forexpectandactualsymbolsIDE. Misc
KT-60053IdeaKotlinBinaryCoordinates doesn't respect capabilities and classifier attributesIDE. Multiplatform
Fixes
KTIJ-26700KMP: false positive report of non matching expect and actual annotations if annotation is actual typealiasKTIJ-25997KotlinMPPGradleTestTasksProvider: Support jvm targets with other names (such as android)KT-61686Check and update places in compiler and IDE where we are saying that MPP is experimental/Beta/AlphaKTIJ-27058Wizard's KMM application failed to build in 232 ASKT-59760[BUG] Use bundled version of Kotlin IDE Plugin in KMM Tests instead of customKT-61520Sources.jar is not imported for common and intermediate source-sets from the MPP libraryKTIJ-25842MPP: New create expect/actual dialog uses deprecated location for android instrumented actual counterpartKTIJ-25746MPP: Unable to distinguish android unit and instrumented tests in new create expect/actual dialog if instrumented tests are depends on commonKT-60410Add minimum supported KGP version in intellij.git infrastructureKT-59794Bump used KGP in multiplatform intellij.git tests after release 1.9.0KT-59518Cherry-pick old-import tests into 231-1.9.0/masterKT-56736Investigate how-to run multiplatform tests on real devicesKT-59519Bump AGP versions in intellij.git tests in masterKTIJ-25591MPP: Create expect/actual dialog doesn't allow selecting all targetsKT-56684Adopt KMM UI tests to be used with IDEAKT-50952MPP: Commonized cinterops doesn't attach/detach to source set on configuration changesIDE. Navigation
KT-61894Navigation from java sources leads to Kotlin decompiled code in case of suspend functionKTIJ-27053Value parameters documentation of expect isn't shown in actualsKTIJ-26292Documentation for expect/actual comes from a random actualKTIJ-26441K2 IDE: navigation doesn't work when type parameters are missed in annotation callKTIJ-26566K2 IDE: don't show no-name parameters in presentationsKTIJ-25366K2 IDE. Go to declaration of Java record shows record and constructorIDE. Refactorings. Rename
KTIJ-25762K2 IDE. label rename doesn't change it's name in usages after rename refactoringIDE. Script
KTIJ-25989java.lang.NullPointerException: Cannot invoke "com.intellij.openapi.vfs.VirtualFile.getPath()" because the return value of "java.lang.ThreadLocal.get()" is nullKT-60519Analysis API: scripts are not invalidated on PCEKTIJ-26670K2 Scripts: We should be able to find a symbol forKTIJ-25731KtAssignResolutionPresenceService is not available as a service in 231-1.9.20KT-60307K2 IDE. KotlinExceptionWithAttachments in script fileIDE. Wizards
KTIJ-27005Wizards 232: Fix generated kotlin version for 1.9.20-BetaKTIJ-26846Adjust compatibility data for 1.9.20 releaseKTIJ-264791.9.20: Update versions in wizardsKT-59347Rename Compose Multiplatform wizard to Compose for DesktopIR. Interpreter
KT-60467"InternalError: Companion object * cannot be interpreted" caused by java's package nameKT-60744Restore binary compatibility of toIrConst functionIR. Tree
KT-59771Restore compatibility of IdSignature.CommonSignatureKT-59772Restore compatibility of IrFactory#createFunctionKT-59308Auto-generate the IrFactory interfaceJS. Tools
KT-44838Kotlin/JS source-map-loader slow performance since 1.4.0JavaScript
New Features
KT-58684KJS: ES15 classes — creating instance by classPerformance Improvements
KT-58187KJS / IR: Huge performance bottleneck while generating sourceMaps (getCannonicalFile)Fixes
KT-60425Kotlin/JS compiler incorrect behavior for object singleton with CompleteableDeferredKT-62790java.lang.ClassCastException in compiler when ::class is usedKT-60495K2: Make JS CliTestGenerated working with K2KT-6168Ability to generate one JS file for each Kotlin source fileKT-60667K2 / KJS: jsTest fails with "SyntaxError: Unexpected token '}'" on runtimeKT-61581KJS: generate separate imports for useEsModules()KT-56737K2: build Space JSKT-59001K/JS: Use open-addressing hash map in JS stdlibKT-60131KJS: Interference between@JsExportand final implementation of propertiesKT-59712K/JS: Implement enumEntries intrinsicKT-60202JsExport.Ignored internal extension still has "JavaScript name () generated for this declaration clashes with another declaration"KT-51333KJS: someKTypeequalsNothing'sKTypethrows an exception, breaking its symmetryKT-58857KJS/IR: js file is not generated when source is stored in /var folderKT-53482KJS: Inheritance from JS class fails in ES6, because constructor is not called with newKT-58891K/JS: non-local return in lambda may leave an unreachable JS code after returnKT-49077KJS / IR: Wrong method called when using overloaded methods and class with the same nameKT-59718K/JS: Concatenating a String with a Char can lead to boxing of the CharKT-59717K/JS: a redundant boxing of a returned Char from an inline functionKT-39506Kotlin/JS browser application using JS IR and React fails in runtime with "TypeError: _this__0._set_name__2 is not a function"KT-59151K2 / KJS: NullPointerException in Fir2IrClassifierStorage.preCacheBuiltinClassesKT-59335K/JS ES6 classes: A child constructor, when using parent secondary constructor super call, creates a parent objectKT-58797Optimize the code generated for objects on JS and Wasm backendsKT-52339FIx failing JS tests after bootstrap updateKT-46643KJS / IR: Setter of overridden var of external val is removedKT-55315IR: can't access thestackproperty ofThrowableKT-59204Automatically generate NATIVE directive in tests for IR signaturesKT-59239K/JS: Bridge not generated for checking parameter type in generic class overrideKT-57347KJS: BE IR Incremental cache invalidation doesn't work after inserting Partial Linkage stubKT-58599KJS: Adding an override method to open class does not rebuild children JS codeKT-58003K2/MPP/JS: compiler IR serialization crash on multiple calls to inherited expect-functionKT-38017KJS: tests generate invalid code depending on file namesKT-25796KJS: Top-level constructs are put in an incorrect orderKT-58396KJS / IR: "IllegalStateException: Validation failed in file" with Enum.entries and inheritanceKMM Plugin
KTIJ-27158Import is failing after creation of new module if project don't use versionCatalogKT-59492KMM AS plugin for Canary 231 reports errorKlibs
KT-58877[klib tool] add ability to dump klib irKT-54402Programmatic API to dump public signatures from KLibsKT-60576Keep supported IR signature versions in manifestKT-59136[PL] Lower the default PL engine messages log level down to INFOKT-59486klib: Serialize mangled names along with signaturesLanguage Design
KT-22841Prohibit different member scopes for non-final expect and its actualKT-49175Inconsistency with extension super-type allowance between suspend / non-suspend function typesKT-61573Emit the compilation warning on expect/actual classes. The warning must mention that expect/actual classes are in BetaKT-57614KMP: consider prohibitingactual typealiaswhen the correspondingexpect classhas default argumentsKT-27750Reverse reservation of 'yield' as keywordLibraries
New Features
KT-59440Rework Flags API in kotlinx-metadata-jvmFixes
KT-62381K/Wasm: (re)publish libraries with 1.9.20-Beta2 (or newer if available)KT-62656Drop@AllowDifferentMembersInActualfrom stdlibKT-58887Reflection: "IllegalArgumentException: argument type mismatch" when using reflection to invoke a value class returning function that suspendsKT-61507Native: enum hashcode is not finalKT-56106Migrate stdlib to current Kotlin Multiplatform PluginKT-58402Migrate Vector128 from kotlin.native to kotlinx.cinteropKT-60911Compatibility publishing of kotlin-stdlib-commonKT-53154Deprecate enumValues and replace it with enumEntries in standard libraryKT-58123Update deprecations in native atomic classes for 1.9.20KT-60444transformJvmMainAtomicfu fails with java.lang.NoSuchMethodError: 'kotlin.Metadata kotlinx.metadata.jvm.KotlinClassMetadata.getAnnotationData()'KT-61342kotlin-test-wasm-* artifacts include test codeKT-61315Publish common sources in kotlin-test-js sources jarKT-56608WASI Preview1 version of Kotlin/Wasm stdlibKT-55765Review and stabilize stdlib surface available in K/NKT-55297kotlin-stdlib should declare constraints on kotlin-stdlib-jdk8 and kotlin-stdlib-jdk7KT-57838Native: raise ExperimentalNativeApi opt-in requirement level to ERRORKT-61028Behavioural changes to the Native stdlib APIKT-61024Native: Mark the kotlin.native.CName annotation with ExperimentalNativeApiKT-61025Native: Deprecate HashSet.getElement() with WARNINGKT-53791Publish standard library as a multiplatform artifact with Gradle metadataKT-57363Remove reified constraint from Array constructors in platforms where Array type parameter is not required to be reifiedKT-57401Native: Regex matching zero length should split surrogate pairsKT-57359Provide Common StringBuilder.append/insert with primitive type argumentsKT-58264K2: republish kotlinx.metadata to support LV 2.0KT-57710Native: Internalize@Retainand@RetainForTargetannotationsKT-57720Native: Consider strictening NativeRuntimeApi opt-in requirement level to ERRORKT-57837Deprecate kotlin.native.SharedImmutable and kotlin.native.concurrent.SharedImmutableKT-58126Wasm: Consider removing Primitive.equals(Primitive) overload on primitive typesKT-53327Migrate all usages of 'Enum.values' to 'Enum.entries' in standard libraryKT-59366Deprecate KmModule.annotationsKT-59365Get rid of two-stage parsing in KotlinClassMetadataKT-35116Enum.valueOf throws inconsistent exception across multiple platformsKT-59223Native Enum.hashCode should return identity hash code, similar to JVMKT-56637Native: 'String.indexOf' matches byte sequences not on the char boundary, which also makes the result of 'split' and 'replace' operation incorrectKT-59192Align behavior of collection constructors across platformsNative
New Features
KT-50463Native: Provide a way to control the KONAN_DATA_DIR by the Gradle mechanismsKT-59448K2: IR and FIR signatures are not same for composable functionsFixes
KT-60230Native: "unknown options: -ios_simulator_version_min -sdk_version" with Xcode 15 beta 3KT-62532Support Xcode 15.0 frameworks as Kotlin/Native platform librariesKT-61382Linking XCFramework fails with error: Invalid record (Producer: 'LLVM11.1.0' Reader: 'LLVM APPLE_1_1300.0.29.30_0')KT-61417Native: string and array variables are not properly displayed in lldb when compiling with caches with Xcode 15KT-60758Native: Building for 'iOS-simulator', but linking in dylib built for 'iOS' in Xcode 15 beta 4KT-59149Native: check compiler compatibility with Xcode 15 beta 1KT-58537iOS project fails to build with rootProject.name = "Contains Space"KT-59073Native: don't include kotlinx.cli endorsed library into compiler distributionKT-58707[K/N] Compiler crash building generics with redundant castKT-58654Compiler error from kotlin.collections.Map : "Invalid phi record", while compiling for kotlin nativeNative. C Export
KT-56182[K2/N] C export doesn't work for non-root packages with K2Native. C and ObjC Import
KT-59642Remove ability to import forward declaration by library package nameKT-59643K2: Disable merging of forward declaration with real declaration classKT-52882MPP / Native: expect/actual mechanism broken when base contract is NSObjectProtocolKT-55578Custom user message for linker errorKT-58585[K2/N] Fix interop issuesKT-56041[K2/N] Fix broken __builtin_nanf(String)KT-57716[K2/N] Validation failed in file smoke.kt : unexpected type: expected platform.objc.Protocol?, got objcnames.classes.Protocol?KT-56028[K2/N]cnames.structs.Foodoes not resolveKT-59645Cast to objective C forward declaration crashes compilerKT-58793[K2/N] Package separators after mangling are different for IR and FIRNative. ObjC Export
KT-56090[K2/N] Emit DocString klib extensions for ObjCExportNative. Runtime. Memory
KT-61914Kotlin/Native: massive increase in memory usageKT-61092Kotlin/Native: Adjust initial values for expected heap sizeKT-61091Kotlin/Native: GC scheduler pauses mutators too aggressivelyKT-61741Kotlin/Native: tsan error in parallel markKT-57773Kotlin/Native: track memory in big chunks in the GC schedulerKT-61089Kotlin/Native: fix concurrent weak processing for new allocationsKT-55364Implement custom allocator for Kotlin/NativeKT-57772Kotlin/Native: concurrently process weak references in GCKT-57771Kotlin/Native: parallel mark in GCNative. Stdlib
KT-60608Introduce AtomicArrays API in K/N stdlibKT-59120Native: Rewrite stdlib AtomicReference with Volatile instead of custom C++ codeReflection
KT-47973Reflection: "IllegalArgumentException: argument type mismatch" when using callSuspend to call a function returning value class over primitiveKT-41373"KotlinReflectionInternalError: Unresolved class" when inspecting anonymous Java classKT-61304Reflection: Calling data classcopymethod via reflection (callBy) fails when the data class has exactly 64 fieldsKT-52071Continue gracefully when the system property check "kotlin.ignore.old.metadata" failsTools. CLI
KT-60662Add JVM target bytecode version 21KT-58183ParseCommandLineArgumentsKt.parseCommandLineArguments takes ~500msKT-58690OutOfMemory when compiling in CLIKT-58065K2: Enable light tree instead of PSI for CLI compilation of JS and Native by defaultTools. CLI. Native
KT-59245[K1/N] Compile sources to native binary in two stagesKT-56855[K2/N] Command-line compiler doesn't support compiling sources directly to a native binary (without intermediate klib) with-language-version 2.0KT-58979[K2/N] FIR frontend cannot resolve symbols from resolved klib having non-normalized pathTools. Commonizer
KT-59302Commonizer: make sure that opt-in annotation generated by cinterop made it into commonized artifactKT-62028False positive "Unnecessary '@OptIn' Annotation" for ExperimentalForeignApiKT-55757kotlinx.cinterop.UnsafeNumber: empty opt-in messageKT-59859Change the OptIn Level to Error for kotlinx.cinterop.UnsafeNumberKT-59132K2/Native/CInterop: [UPPER_BOUND_VIOLATED] Type argument is not within its bounds: should be subtype of 'kotlinx/cinterop/CPointed'KT-58822Kotlin Gradle Plugin: migrate tests off native deprecated targetsKT-47641Enabled cInterop commonization triggers native compilation during Gradle sync in IDETools. Compiler Plugin API
KT-58638K2: Annotations generated by IR plugins are not included into metadataKT-61872K2: Adding annotations to metadata from backend plugin doesn't work in the presence of comments on annotated declarationKT-61833K2: annotations added viaaddMetadataVisibleAnnotationsToElementto declarations from common sourceset in MPP project are invisibleKT-60051K2: Support metadata serialization of primitive const annotation arguments generated by IR pluginsTools. Compiler Plugins
KT-61550[atomicfu-compiler-plugin]: check that atomic properties are declared as private or internal valKT-58079K2/atomicfu: JVM IR transformer crash on atomic extension functionsKT-61293Usage of atomicfu compiler plugin leads to UnsupportedClassVersionError if Gradle runs on JVM <11KT-55876K2. "[Internal Error] java.lang.NoClassDefFoundError: org/jetbrains/kotlin/com/intellij/openapi/util/UserDataHolderBase" when project with languageVersion 2.0 is Built and Run using Intelij IDEAKT-58049K2: Smartcast of nullable property fails when Spring compiler plugin is presentKT-57468Kotlin assignment plugin: operation name cannot be found for referenceTools. Compiler plugins. Serialization
KT-58501K2/MPP/serialization: several classifier kinds seem to miss generated serializer functions when compiled to K/JS and K/Native targetsKT-59768kotlinx.serialization + K2 + JS/Native: Support meta-annotations on sealed interfaces with user-defined companionsTools. Gradle
New Features
KT-59000Default standard library dependency should use the single artifact for all targetsKT-57398Add ability to run compilation via build-tools-apiKT-34901Gradle testFixtures don't have friendPaths setKT-44833Gradle DSL: AddlanguageSettingsaccessor tokotlinextension that applies to all source setsKT-58315Add build metrics for Kotlin/Native taskPerformance Improvements
KT-62318Android Studio sync memory leak in 1.9.20-BetaKT-62496Configuration time regression with KGP 1.9.20-Beta caused by loading of propertiesKT-61426Enabling compilation via the build tools API may cause high metaspace usageFixes
KT-61359"Unresolved reference: platform" when enabling Gradle configuration cacheKT-59826Update SimpleKotlinGradleIT#testProjectIsolation to run on Gradle 8KT-57565Add ability to capture classpath snapshots via the build-tools-apiKT-51964Optimizekotlin.incremental.useClasspathSnapshotfeature to improve incremental Kotlin compilationKT-61368Native compiler option 'module-name' isn't available within the compilerOptions extension for native target while configuring it inside compilationsKT-61355freeCompilerArgs arguments and its values are passed to the compiler 5 times if added through target-level compilerOptions{} extension inside compilationsKT-61273KGP: TaskOutputsBackup.createSnapshot was failed by IOException sometimesKT-58987Use some available JVM target if there's no JvmTarget for the inferred toolchain versionKT-58234Kotlin Gradle Plugin: Deprecate and remove KotlinCompilation.source APIKT-61401The reported language version value for KotlinNativeLink tasks in build reports and build scans is inaccurateKT-54231Compatibility with Gradle 8.0 releaseKT-61950K/Wasm: Add warning about changed sourceSetsKT-61895KotlinTopLevelExtension.useCompilerVersion is not marked as experimentalKT-61303The module-name value stays unchanged when configuring it through compiler options extension specific to the android targetKT-61194MPP compiler options: part of JsCompilerOptions set up using js { compilerOptions {} } extension is lostKT-61253CompileExecutableKotlinJs task is skipped while configuring LV either using sourceSets.all {} or both js compiler options extension and base multiplatform compiler options extensionKT-59588Upgrade max gradle version to max supported in kapt connected testsKT-61292Gradle: compilation tasks may capture wrong build directory when build directory is changed after task configurationKT-61193Flag kotlin.experimental.tryK2 doesn't set LV 2.0 for tasks of kotlin-js gradle pluginKT-60541Possibility to create a custom usableKotlinCompiletask without using internalsKT-59451[K2][1.9.0-Beta] "Errors were stored into ..." log files never actually existKT-48898Can't suppress warnings by Optin() in KMM build.gradle.kts or IDEA settingsKT-60660konan.data.dir property not provided for K/N Gradle project build (on Linux or Mac) with a dependency from a MavenKT-56959K2: Set up Ktor repo performance benchmarks with K2 enabledKT-56178Compatibility with Gradle 8.1 releaseKT-61457Kotlin Gradle Plugin should not use internal deprecated StartParameterInternal.isConfigurationCacheKT-60718Kotlin Gradle Plugin's incremental compilation violates Project Isolation by accessing the tasks in the task graph that were produced by other projectsKT-60717Kotlin Gradle Plugin violates Project Isolation restrictions by dynamically looking up properties in the projectKT-54232Don't check if file exists in task file inputs configurationKT-61066[KMP] iOS "Unkown Kotlin JVM target 20"KT-54160New KGP API using lazy properties to add compiler plugin options may remove options with the same pluginIdKT-60839KGP provides incorrect default value "ENABLED" for -Xpartial-linkageKT-15370Gradle DSL: add module-level kotlin optionsKT-57645build_scan failed in testBuildScanReportSmokeTestForConfigurationCache test with Gradle 8.0.2KT-59827Update configuration to validate plugin inputsKT-59799Validate Gralde Integrations tests has only one tagKT-59117Add gradle integration tests for explicit api mode in Android projectsKT-59587Upgrade max gradle version to max supported in jvmToolchain connected testsKT-56636Bump max Gradle version for integration tests to 8.0KT-58353Support reporting of diagnostics after projects are evaluatedKT-53822Upgrade thegradle-download-taskdependency of the Kotlin Gradle pluginKT-58162Kotlin Gradle Plugin: Remove kotlinx.coroutines from classpath of KGPKT-58104Check values for MPP_PLATFORMSKT-58569Bump language version for Gradle plugins dependencies to 1.5Tools. Gradle. Cocoapods
KT-59263Add diagnostic that a dummy framework is not present when build is triggered from XcodeKT-57741KMP importing an iOS project with Xcode 14.3 fails when importing a pod that depends onlibarclite_iphoneosKT-60050Log reason why podInstall task is skippedKT-49430Stop invalidating iOS framework generated by KMM module on each Gradle SyncKT-59522Set the required environment for cocoapods invocationsKT-59313Elevate to error deprecation of useLibrariesKT-58775If the pod has a declared dependency on itself, then it will cause StackOverFlow exception while importing of a projectTools. Gradle. JS
New Features
KT-49789KJS / Gradle: Add npm style repository option for YarnRootExtension - and/or don't register github repository when download=falseFixes
KT-60469KJS: "Could not serialize value of type Build_gradle" caused by changed name in packageJson taskKT-61623K/Wasm: Error with project dependency between modules with both wasmJs and wasmWasi targetsKT-56933Add Kotlin/JS incremental tests with K2 enabledKT-58970browserTest gradle task fails if karma is used and gradle configuration cache is enabledKT-42520Add a way to setup generating separate js files for each module inside gradleKT-32086Gradle, JS: runTask.enabled = false has no effect on npm dependenciesKT-48358KJS: Circular dependency when multiple second-level Gradle modules have the same nameKT-50530Kotlin/JS: enablingkotlin.js.ir.output.granularity=whole-programdoes not remove superfluous .js output filesKT-50442KJS / Gradle: webpack plugin errors not loggedKT-46003KJS / IR: Should provide single distributions folder for production and development similarly to LegacyKT-47319KJS: Error when project contains two modules with same nameKT-46010KJS / Gradle: Can't find a file on building on WindowsKT-48923KJS / Gradle: NoWebpackerror messages when Node.js process exits unexpectedKT-51942KJS / Gradle: fails with two projects with the same name, but different pathsKT-51372Kotlin/JS: Gradle compileKotlinJs processes directory just excluded from source setKT-52134KJS: the default generated JS module name in a Gradle project with multiple subprojects is incomplete, which might cause duplicate names and build conflictsKT-52776KJS / Gradle: Webpack version update despite yarn.lock breaks Kotlin/JS buildKT-54182MPP / JS:StackOverflowErrorwhen in a Gradle multi-project and Kotlin Multiplatform build with the JS IR target which depends on another with the same subproject name via a renamed published Maven artifactKT-58250TheNodeJsExectasks are not compatible with Gradle configuration cacheKT-58256TheD8Exectasks are not compatible with Gradle configuration cacheTools. Gradle. Multiplatform
New Features
KT-60441KGP based dependency resolution: Support 'idea.gradle.download.sources' flag- See full ChangeLog in File
Checksums
v1.9.10: Kotlin 1.9.10Changelog
Compiler
KT-60769Partially revert KT-58371KT-60659Incorrect 'unresolved reference: addFirst' error with JDK 21KT-60371Native custom allocator link errorKT-60986Native: static caches with custom runtime options are broken on LinuxKT-60770Fix false-positive ABSTRACT_MEMBER_NOT_IMPLEMENTED on toArray with JDK 21KT-60231NoClassDefFoundError: $$$$$NON_LOCAL_RETURN$$$after upgrade to Kotlin 1.9.0JavaScript
KT-60785KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type errorKT-60852Kotlin JS(IR): IllegalArgumentException: Cross module dependency resolution failed when updating to Kotlin 1.9.0KT-57509KJS: Compiler generates native JS operator == for comparing values with Any typeNative
KT-60230Native: "unknown options: -ios_simulator_version_min -sdk_version" with Xcode 15 beta 3KT-60758Native: Building for 'iOS-simulator', but linking in dylib built for 'iOS' in Xcode 15 beta 4Native. C and ObjC Import
KT-59167Native: cinterop is unable to build interop libraries against the Xcode 15 Beta 1Tools. Gradle
KT-61147Kotlin Compiler 1.9.0 bundles a stripped unshadowed version of GsonKT-60543NoClassDefFoundError for com/gradle/scan/plugin/BuildScanExtensionChecksums
v1.9.0: Kotlin 1.9.0Changelog
Analysis API
New Features
KT-57930Analysis API: provide an API for extending Kotlin resolutionKT-57636K2: Add the return type of K2 reference shortener AAShortenCommand::invokeShortening()e.g.,ShorteningResultInfoto allow callers to access the shortening result PSIFixes
KT-58249Analysis API: Disable error logging for FE10 implementation of resolveCall when resolve is not successfulKT-55626Impossible to restore symbol by psi from script fileKT-57314LL FIR: CombineLLFirProvider$SymbolProviders in session dependencies (optimization)KT-55527K2 IDE: Rewrite KtScopeContext class to allow to handle each scope separatelyKT-55329LL FIR: Unexpected ACTUAL_WITHOUT_EXPECT error on constructor and function declarationKT-50732LL API: fix compiler based testsKT-57850K2: contract violation due to SymbolLightAccessorMethod.propertyAccessorSymbolKT-56543LL FIR: rework lazy transformers so transformers modify only declarations they suppose toKT-56721K2: FirExtensionDeclarationsSymbolProvider: java.lang.IllegalStateException: Recursive updateKT-50253Analysis API: Solve issues with ProcessCancelledExceptionKT-56800K2 IDE: optimize deprecation calculation for symbolsKT-55006Analysis API does not transform Java type refs for callable symbol return typesKT-57256AA FIR: Reduce lazy resolve phase for deprecation statusKT-57619K2: CFG for class initializer is not correctly built in reversed resolve modeKT-58141K2: AA FIR: impossible to restore symbol for declaration with annotation with argument inside typeKT-57462Symbol Light Classes: SymbolLightFieldForProperty should retrieve annotations not from KtPropertySymbol, but from the corresponding backing fieldKT-54864Analysis API: add function to get expect KtSymbol list by actual KtSymbolKT-56763Analysis API:.KtSourceModuleImpl is missing in the map.on symbol restore when symbol cannot be seen from the use-site moduleKT-56617Analysis API: optimize KtFirSymbolProviderByJavaPsi.getNamedClassSymbolKT-54430K2: .getAllOverriddenSymbols() returns invalid resultsBackend. Native. Debug
KT-55440Kotlin/Native debugger: inline function parameters are not visible during debuggingBackend. Wasm
KT-58293Wasm: ReferenceError: e is not defined in kotlin.test.jsThrowKT-58931Wasm tests are failing to start on Kotlin 1.9.0-BetaKT-58188Restore binary compatibility of PlatformDiagnosticSuppressor.shouldReportUnusedParameterKT-57136K/Wasm: Restrict non-external types in JS interopKT-57060Clarify the lack of support for dynamic in Kotlin/WasmKT-56955K/Wasm: Support restricted version of K/JSjs(code)KT-57276Wasm: "Body not found for function" error when compiling konform library with Kotlin/Wasm supportKT-56976K/Wasm bug with calling override of external function with default parametersCompiler
New Features
KT-55333Allow secondary constructors in value classes with bodiesKT-54944@Volatilesupport in nativeKT-54746Deprecate with ERROR JvmDefault annotation and old -Xjvm-default modesKT-47902Do not propagate method deprecation through overridesKT-29378K2: rework warnings/errors for equality/identity operators on incompatible typesKT-57477False-positive overload resolution ambiguity in case of lambda without argumentsKT-57010Kotlin/Native: make it possible to compile bitcode in a separate compiler invocationKT-55691K2: Avoid inferring Nothing? in presence of other constraints (beside type parameter bounds)KT-46288Unexpected behavior of extension function on lambda with suspend receiverKT-24779Inconsistent smart cast behavior for bound data flow valuesPerformance Improvements
KT-23397Optimize out field for property delegate when it's safe (JVM)KT-56906FIR: Use cached instance of FirImplicitTypeRefImpl in FIR buildersKT-56276LanguageVersion.getVersionString() allocates 5k objects on project openingFixes
KT-57784"NullPointerException: Parameter specified as non-null is null:" with enum, companion object, 'entries' and mapKT-55217K2: support callable reference conversions on top-level expressionsKT-57232K2: build Space JVM (master)KT-59079"AE: SyntheticAccessorLowering should not attempt to modify other files!" with callable reference to constructor with value class parameterKT-58837Partial linkage fails to report any compiler message on Windows when launched through Gradle pluginKT-57602K2: Rework member scope of types having projection arguments for covariant parametersKT-55171Put new contracts syntax under a feature flagKT-58719K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract classKT-56030[K2/N] Support Objective-C overloading by param names onlyKT-57510K2: Data class equals/hashCode/toString methods are not written to Klib metadataKT-56331K2: compiler backend crash on usage of expected function with default argumentsKT-53846K2 / Context receivers: ClassCastException on secondary constructor of class with context receiverKT-58621K2: Private class shadows public function defined in the same packageKT-59102K2: constant evaluator does not provide Long type on shlKT-59066[K2] delegation leads to "IllegalStateException: Expected some types"KT-56074K2: build Space JVM (snapshot 2022.3)KT-58787KAPT: "NullPointerException: null cannot be cast to non-null type" with delegateKT-57022K2 IllegalStateException in signature computationKT-56792K2: build kotlinpoetKT-57373K2: FIR properties synthesized when implementing interface by delegation don't have accessorsKT-56583K1: Implement opt-in for integer cinterop conversionsKT-59030[PL] Workaround for broken@Deprecatedannotations in c-interop KLIBsKT-58618K2: Local property delegates cannot infer generic return typeKT-36770Prohibit unsafe calls with expected@NotNullT and given Kotlin generic parameter with nullable boundKT-56739K2: build Space iOSKT-57131K2: stdlib test compilation fails on ListTest.kt in FirJvmMangleComputerKT-58137K2: ISE "Usage of default value argument for this annotation is not yet possible" when instantiating Kotlin annotation with default parameter from another moduleKT-58897K2: False positive unresolved reference with same-named enum class and its entryKT-40903Forbid actual member in expect classKT-30905Expect var property with default public setter matches with actual var property with private setterKT-56172K2: Fix reporting of PRIVATE_CLASS_MEMBER_FROM_INLINE errorKT-56171Implement deprecation warning for missing PRIVATE_CLASS_MEMBER_FROM_INLINE errorKT-27261Contracts for infix functions don't work (for receivers and parameters)KT-56927Enum with secondary constructor can't be compiled with K2 using JS/Native backendKT-53568Partial linkage: absent class as type parameter bound causes failure ofcompileProductionExecutableKotlinJsKT-53608Partial linkage: Kotlin/JS fails with IllegalStateException: "Validation failed in file" when overridden declaration was visible, but now privateKT-53663Partial linkage: usage of property which becomes abstract: no IrLinkageError, but AssertionError in Native backend insteadKT-56013K2. a set of errors about local properties are missingKT-53939Partial linkage: with turning object into class linkNative and jsTest tasks failKT-53938Partial linkage: with turning interface into class and using as second parent Native build failsKT-53941Partial linkage: with turning class into object accessing member via parameterless constructor does not failKT-53970Partial linkage: on turning nested class into inner JS tasks are successful, Native build failsKT-53971Partial linkage: turning inner class into nested: without usage in executable Native is successful, JavaScript failsKT-53972Partial linkage: turning inner class into nested: with usage in executable Native fails with NPE in backendKT-54045Partial linkage: turning class into type alias + calculating implicit function type: build fails with UninitializedPropertyAccessException: "lateinit property parent has not been initialized"KT-54046Partial linkage: turning type alias into class + using it as type: build fails with AssertionError: "Expected exactly one delegating constructor call but none encountered"KT-53887Partial linkage: turning from enum to regular class + reference to enum contant causes compileProductionExecutableKotlinJs fail with IllegalStateExceptionKT-54047Partial linkage: reference to removed enum const causes JS fail with "IllegalStateException: Validation failed in file"KT-54048Partial linkage: reference to removed enum const in runtime causes Native fail with IllegalStateException at IrBindablePublicSymbolBase.getOwner()KT-53995Partial linkage: on turning class to abstract and direct constructor call Naive fails, JavaScript is successfulKT-43527@ExtensionFunctionTypeis allowed on function types with no parameters and leads to backend exceptionKT-55316K2. IllegalStateException on incorrect import directive nameKT-57570Remove source code excerpts from platform type nullability assertion exceptionsKT-56073K2: build ExposedKT-47932Report errors on cycles in annotation parameter typesKT-38871Kotlin Gradle DSL, MPP: UNUSED_VARIABLE when configuring a sourceset with delegated propertyKT-46344No error for a super class constructor call on a function interface in supertypes listKT-56609K2: False positive NULL_FOR_NONNULL_TYPE with -Xjsr305=strict and@Nullableannotation Java parameterKT-56656K1/K2: inconsistent NOTHING_TO_OVERRIDE with complex nullable annotationsKT-58332K2: local fun with suspend type is not marked as suspend in IRKT-57991K2: Modifier 'suspend' is not applicable to 'anonymous function'KT-54294K2: "Not all type variables found" in builder inference with type parameters inferred through a union of two branchesKT-58564[PL] Annotations with unlinked parameters are not removedKT-52597Provide Alpha Support for Multiplatform in the K2 platformKT-58523K2: reference is resolved to imported type-alias instead of identically named top-level propertyKT-57098Native: avoid object initialization while accessing const valKT-5797332-th default value in inline classes override function is not usedKT-57714"IllegalStateException: <B::!>" using reified genericsKT-57810toStringof object erroneously considered as constant function in string concatenationKT-58076K2: Incorrect inference of type of labeled receiverKT-57929K2: Arguments of annotations are not calculated in a lot of strange locationsKT-54874K2. No compilation error with incorrect Comparator invocationKT-55388Consider enabling ProhibitUsingNullableTypeParameterAgainstNotNullAnnotatedKT-53041NPE in Kotlin 1.7.0 when using RxJava Maybe.doOnEvent with anonymous parametersKT-54829Cleanup local types approximation logicKT-58577K2: private Kotlin property prevents use of Java set-method from Java-Kotlin-Java hierarchy in another moduleKT-58587MUST_BE_INITIALIZED must take into account effectivelly finalKT-58524K2: false-positive overload resolution ambiguity error on invoking a generic class's member function with id-shaped function-typed parameter on intersection-typed receiverKT-53929Enum.entries: consider changing scope behavior in K1KT-58520K2: FIR2IR: ISE during const evaluation of operator times with exposedKT-57905K1: resolution to base class's Java field instead of derived class's Kotlin property is not deprecated in case of different typesKT-56662K1: false negative INVISIBLE_SETTER for a var with internal setter accessed from a derived classKT-57770K2: Support generation of serializer if base class for serializable class declared in different moduleKT-58375Kapt: "wrong number of type arguments. required 1" when more than 22 type argumentsKT-48870[FIR] Different behavior for explicit receiver resolution inside delegated constructorsKT-58013K2: "Not enough information to infer type variable T" when using assert non-null (!!) and delegationKT-58365K2: Fix stub types leakage in builder inference caused by implicit receiver type update with partially resolved calls (IGNORE_LEAKED_INTERNAL_TYPES for stub types)KT-58214Continuation parameter only exists in lowered suspend functions, but function origin is LOCAL_FUNCTION_FOR_LAMBDAKT-58030K2/MPP/JVM: compiler backend crash on super-call to indirectly inherited Java methodKT-58135K2: Priority of extension property is lower than ordinary propertyKT-57181[K1/N, K2/N] Expect and Actual funs have different IdSignature.CommonSignature, if Expect has default argumentKT-58219K2/MPP/metadata: false-positive invisible reference error in Native-shared source setKT-58145K2/MPP/metadata: compiler FIR crash on inheritance of a generic class with property by actual-class from Native-shared source setKT-56023Constant operations (e.g. division) are not constant in K2 (JS, Native)KT-57354In suspend function default arguments are sometimes not deleted in IRKT-55242K2/MPP: basic build/link functionalityKT-57979K2: Unresolved reference error when assigning to Java synthetic property with a different nullability getterKT-57543K2 reports DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLEKT-58142K2: val parameter with more specific type is lower priorityKT-48546Missed TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM error at plus-assignKT-57854RECEIVER_TYPE_MISMATCH on synthetic property from mutually recursive Java generics with disabled ProperTypeInferenceConstraintsProcessingKT-54518False negative NON_PUBLIC_CALL_FROM_PUBLIC_INLINE when calling internal method of super classKT-58025K2: Argument type mismatch when using Springs HandlerMethodArgumentResolverKT-58259Unexpected unresolved function call with obvious invoke-convention desugaringKT-57135K2: Fir should take into account an annotation's allowed targets as well as the use-site target when deciding whether it applies to a property, a field, or a constructor parameterKT-57069K2: Method kind in metadata is DECLARATION when DELEGATION is used in K1KT-57958K2: Initializer type mismatch when using extension property on type with star projectionKT-58149K2: New inference error with buildListKT-58008K2: "Cannot find cached type parameter by FIR symbol: T" on suspend function with generic and nested classKT-57835K2: compiler crash on lambda with dynamic receiverKT-57601K2: Builtin functionextensionToStringcan't be accessedKT-57655K2: ImplicitIntegerCoercion is not working for named argumentsKT-58143K2: overload resolution ambiguity inside dynamic lambdaKT-58132K2: Implicit int constant to long converion crashes FirSerializerKT-57378Partial linkage: Run codegen box tests for Native & JS with enabled PLKT-58207K2: Handle result of completion of synthetic call with callable reference argumentKT-56549K2: Reference to Java sealed class fails to compileKT-57994K2: Type inference failed on function referenceKT-58099interop0 test fails with error "type kotlin.String? is not supported here: doesn't correspond to any C type"KT-57671Synthetic $EntriesMappings declaration is public and generated even for enums from current module on ICKT-56517K2: Reference to Java record fails to compile: "unresolved reference", "Overload resolution ambiguity between candidates"KT-58163FIR: deserialized default property setter and getter must have FirResolvePhase.ANALYZED_DEPENDENCIES phaseKT-55646K2: Report definitely non-nullable as reified errorKT-58043k2: Expect call is not removed from IR with nullability-based overloadKT-56442K2: Make sure K2 has the same behavior for defaults with overrides as K1 hasKT-55904Fix tests for volatile annotation on K2KT-57928K2: Arguments of annotations on constructor value parameter are not calculatedKT-57814K2: Argument type mismatch with delegating propertyKT-56490Implement deprecation for an anonymous type exposed from inline functions with type argumentKT-57781K2: Generated serializer is invisible in a non-JVM test source setKT-57807K2: Symbol already bound exception for arrayOf function from IrBuiltInsOverFirKT-57962K2: No set method providing array access on dynamicKT-57353K2: unresolved reference when using fully qualified object declaration name as an expression, when a declaration package is from another klib and has at least two name segmentsKT-57899K2: compiler FIR2IR crash on anonymous object with inheritance by delegation to value of smart-casted type parameterKT-57988K2: compiler exception on get operator on dynamic thisKT-57960K2: incorrect type inference in lambda with dynamic receiverKT-57923K2: Optional expectation annotation crashes const evaluatorKT-56511K1: false negative SMARTCAST_IMPOSSIBLE when alien constructor property is accessed from a private classKT-58033K2 reports Constructor must be private or protected in sealed class in actual sealed class if its constructor has own actual declarationKT-58061K2: false-positive unsupported feature error on callable references to Java methods from annotation interfacesKT-55079Refactor DiagnosticReporterByTrackingStrategy and fix some "diagnostic into black hole" problemsKT-57889K2: false-positive lack of information for inline function's type parameter in case of builder-style inference from caller function's return expressionKT-57961K2: Unresolved reference using dynamic lambda parameterKT-57911K2: Contracts are not inherited by substitution overridesKT-57880K2: false-positive argument type mismatch due to lambda receiver shadowing labeled outer lambda receiver when assigning lambda to variableKT-57986K2: NPE on building SpaceKT-57873K2: compiler FIR serialization crash on builder-style inference from lambda's return typeKT-57941K2: Assertion error on loading serializable class with non-serializable property compiled with K1 compilerKT-57947K2: Incorrect resolution results when property type for invokeExtension is not inferredKT-58002K2: compiler FIR serialization crash on platform type with type-targeted Java annotation with Java enum as argumentKT-57263K2/MPP/JVM: compiler codegen crash on expect-property as default argument for expect-function's parameterKT-56942K2: False-negative NO_ELSE_IN_WHEN if subject is flexible typeKT-56687Unexpected behaviour with enum entries when using outdated stdlibKT-56398K2/MPP: compiler backend crash on inheritance from expected interfaceKT-57806K2: string interpolation as annotation parameter causes errorKT-57611K2: Annotation arguments are not evaluatedKT-56190[K2/N] Const initializers are not serialized to klibKT-57843K2: Missing diagnostic when calling constructor through typealias whose expansion has a deprecationKT-57350FIR: deprecation diagnostic is not reported on a super class callKT-57532K2: IrActualizer doesn't handle properties overloaded by extension receiver correctlyKT-57776K2: Suppressing "INVISIBLE_REFERENCE" leads to AssertionError: Unexpected IR element found during code generationKT-57769[K2] Load properties in proper order for classes compiled with kotlinx.serialization and LV < 2.0KT-57879K2: compiler FIR serialization crash on passing Java constants as arguments to type-targeted annotationsKT-57893K1/K2 inconsistency on smart casts of internally visible properties in friend modulesKT-57876K2: stack overflow in compiler FIR deserialization on nested type-target annotation class used in enclosing classKT-57839K2: Compiler crash on lambda returning anonymous object with implemented lambdaKT-57822K2: Can't refer to external interface from class literalKT-57809K2: No value passed for parameter of external classKT-56383Build intellij master with LV 1.9KT-57735K2: MPP: K2 reports hides member of supertype and needs 'override' modifier for the function with@PlatformDependentannotation when there is an empty linux target in projectKT-55056Builder inference causes incorrect type inference result in related callKT-57689K2: Unresolved reference to nested typealias in KLIBKT-57665K2: incorrect resolution of dynamic typeKT-57381K2/MPP/Native: impossible to override Any::equals with non-external functionKT-57654K2: Lambda with receiver deserialized as lambda without receiver during metadata compilationKT-57662K2: The error message is poorly formatted and not precise in case of NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS error and@Suppressis usedKT-57763FirExtensionRegistrar extension point brokenKT-57312K2: IR interpreter fails on string interpolation withconst valfrom a klib involvedKT-57768Don't decompile code to search for annotation argumentsKT-55628Diagnostics for kotlin.concurrent.Volatile annotation applicabilityKT-55860K2. [CONFLICTING_INHERITED_MEMBERS] for inheritor of a class with overloaded generic functionKT-53491K2: Implement "Operator '==' cannot be applied to 'Long' and 'Int'" errorKT-55804K2: UNSAFE_CALL Non-nullable generic marked as nullable even if non-null assertedKT-57682K2: Incorrect composing of signatures for calls on dynamic typesKT-55405K2: false-negative INVISIBLE_REFERENCE in import directivesKT-54781K2: no error on unresolved import statement with more than one packageKT-57635K2/MPP: Expect constructors are not considered as expect during metadata deserializationKT-57376K2/MPP: false-positive K/JS diagnostic in absence of K/JS target when sharing a source set between K/JVM and K/NativeKT-55902K2: Support ImplicitIntegerCoercion annotationKT-56577Migrate Native KLIB ABI compatibility tests to K2KT-56603[K2/N] Segfault invoking fun from binary compatible klibKT-57457K2: the error message is not quite informative in case of EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_ERRORKT-57568K2: K2, Native reports overload resolution ambiguityKT-57446K2: Adapter function reference is not generated inside when expressionKT-54894K2: False positive RETURN_TYPE_MISMATCH on function which returns a functional type with@UnsafeVarianceargumentKT-57001K2 compilation fails due to nullabillity subtyping not working properlyKT-57271Delay forbidding inference to an empty intersection to version 2.0KT-57209K2: type parameters are available in companion object scopeKT-50550False positive NO_ELSE_IN_WHEN with annotatedwhenbranch conditionKT-57431K2 MPP JS: Compiler crash on transitive common dependenciesKT-57456K2 reports uninitializied variable in enum class when variable is used in lambda and defined in companion objectKT-57583K2/MPP/JS&Native: FIR2IR compiler crash on reference to Any method inherited by expect-classifierKT-56336[K2/N] Multiplatform test fails with unexpected "actual declaration has no corresponding expected declaration" compiler errorKT-57556K2: Rename error 'This API is not available after FIR'KT-23447Integer.toChar compiles to missing methodKT-46465Deprecate and make open Number.toChar()KT-49017Forbid usages of super or super if in fact it accesses an abstract memberKT-56119BinaryVersion.isCompatible binary compatibility is brokenKT-57369K2/MPP: supertypes established in actual-classifiers from other source sets are not visibleKT-55469[K2/N] equals(Double,Double) and equals(Boolean,Boolean) are not foundKT-57250K2: the metadata is serialized for anexpectclass even if theactualclass is present when compiling to klibKT-56660K2/MPP: compiler backend crash on invoking a K/Common constructor in K/JS codeKT-55055K1: Builder inference violates upper boundKT-57316Initialize Enum.entries eagerly: avoid using invokedynamicsKT-57491Kotlin synthetic parameter looks ordinaryKT-56846K2: incorrect line & symbol numbers in exception reportingKT-56368K2/MPP: compiler backend crash on missing actual declarationKT-57104K2: false-positive conflicting inherited JVM declarations error despite use of@JvmNamein another moduleKT-56747[K2/N] Return type forlambda: (Any) -> Anywhich returns Unit is different for K1 and K2 and return statement is missing with K2KT-57211K2: incorrect "error: an annotation argument must be a compile-time constant" on unsigned array in annotation argumentKT-57302K2 fails with IllegalStateException on reading inherited property of Java enumKT-57424K2 IDE: "By now the annotations argument mapping should have been resolved" exceptionKT-57241K2 MPP: Actualization doesn't work for actual enum that has primary constructor with argumentsKT-57210K2 MPP: Support of arguments with dynamic typeKT-57182K2 MPP: Actualization doesn't work for nested objectsKT-56344K2: Implement correct errors reporting of IrActualizerKT-54405K2 compiler allows val redeclarationKT-54531[K2] Uncaught Runtime exception is thrown instead of user friendly error messages with details in case -no-jdk option set to trueKT-56926K2: incorrect line number generated for class constructor or method with default parameter when comment beforeKT-56913K2: Incorrect line numbers in overriden field getters and settersKT-56982K2: Incorrect line number start in when expressionKT-56720K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED in case of delegation in diamond inheritanceKT-57175K2: false-positive INVALID_TYPE_OF_ANNOTATION_MEMBER on type aliasesKT-25694Fix reporting of uninitialized parameter in default values of parametersKT-57198K2: false-positive type mismatch error on inherited raw-typed class with type parameters in upper bounds of other type parametersKT-15470Inconsistency: use-site 'set' target is a compilation error, use-site 'get' target is okKT-57179FIR: preserve prefix increment behavior like in K1 by calling getter twiceKT-57405K2. Function call ambiguity error when nullable String is passed to function with Spring@Nullableannotation in signatureKT-57284K2: compiler codegen crash at property initialization in constructor after smartcast of dispatch receiver to indirectly derived typeKT-57221K2: compiler FIR2IR crash on function's unavailable cached type parameterKT-57036Unresolved reference: with inferred type of class constructor with extension parameterKT-56177K2: FIR should not generate annotation on both property and parameterKT-54990NI: Type mismatch when encountering bounded type parameter and projectionsKT-57065K2: overload resolution ambiguity between type-aliased constructor and identically named functionKT-49653Deprecate and remove Enum.declaringClass synthetic propertyKT-57190K2: false-positive unsafe call error on safe call on type-aliased nullable receiver in SAM-conversionKT-57166K2: false-positive val reassignment error when synthetic property with implicitly typed overridden getter is called from implicitly typed member that is declared earlierKT-55828[K2/N]: Fix test fails in OPT mode :Internal compiler error: no implementation found ... when building itable/vtableKT-56169False negative deprecation warning about future inference error with builder inferenceKT-56657K1/K2: inconsistent behavior in nullability mismatch (Guava hash set/map)KT-57105K2: compiler codegen crash at property initialization in constructor after smartcastKT-56379K2: build tests for the Kotlin standard libraryKT-56079K2: build YouTrack 2022.3KT-57092K2: false-positive multiple inherited implementations errorKT-56696K2: Allow to access uninitialized member properties in non-inPlace lambdas in class initializationKT-56354K2/MPP: unresolved references to library entitiesKT-57095K2: false-positive lack of type arguments error on raw cast of Base<*> to Derived: Base<T?>KT-56630FIR: ClassCastException on compilation hierarchy with a raw typeKT-57171K2: Implement bytecode testsKT-57214K2: compiler FIR crash on annotation usage before annotation class declarationKT-57204K2: callable reference to mutable property of inherited by delegation superinterface isn't properly resolvedKT-57195K2: false-positive VAR_TYPE_MISMATCH_ON_OVERRIDE on changing property's platform type to non-nullable type when overridingKT-56814K2. PsiElement is null inside IrClass. As a result ClassBuilder defineClass gets null as originKT-54758DeprecateClassBuilderInterceptorExtension.interceptClassBuilderFactoryand provide another method without dependency on K1KT-57253K2: clean up callable reference logic in FIR2IRKT-56225K2. "BackendException: Backend Internal error: Exception during IR lowering" error on incorrect constructor in inline classKT-56769K2. Annotation applicability is ignored during compilation when there's use-site@targetKT-56616K2: cannot infer Java array type properlyKT-57247K2: false-positive INVALID_TYPE_OF_ANNOTATION_MEMBER on type-aliased vararg propertyKT-57206K2: false-positive val reassignment error on synthetic property from generic class with overridden getter but not setterKT-56519K2: Compiler crash on a function reference on companion receiver that inherits from outer classKT-56506K1/K2 inconsistency: VAL_REASSIGNMENT on synthetic setter with different nullabilityKT-56877K2: false-positive UNRESOLVED_LABEL for labeled this-expression in contract descriptionKT-56863K2: false-positive property initialization analysis errors after smartcastKT-56864K2: Unexpected behavior with default parameter inheritance and function referenceKT-56665K2: false positive RECURSIVE_TYPEALIAS_EXPANSIONKT-53966K2 does not support SAM conversions with condition into Java/Kotlin functional interfacesKT-56659FIR: Increment operator on object leads to exception from resolveKT-56771FIR: Increment operator on qualified expressions leads to exception from resolveKT-56759K2: False-positive UNRESOLVED_REFERENCE on labeled desctructuring declaration in LT modeKT-56548K2: false positive overload resolution ambiguity for Java record constructorKT-56476K2: false positive NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY at inline fun use-siteKT-56138K2: Illegal conversion of lambda with parameters to ExtensionFunction expected typeKT-56448K2: False-positive unsafe call due to incorrect inference of smartcasted typeKT-55966K2: Not enough information to infer type variable K if smartcast is usedKT-57168K2: compiler FIR2IR crash on synthetic property from generic class with overridden getter but not setterKT-56876K2: false-positive UNRESOLVED_REFERENCE for name of nested class in contract descriptionKT-57194K2: overload resolution doesn't prioritize Double over FloatKT-57067Warning about expect/aсtual in the same module doesn't take into account absence of 'actual' modifierKT-56954K2: function literals can be passed as arguments to parameters with kotlin.reflect function typesKT-55423K2: Implement CONTRACT_NOT_ALLOWEDKT-56923K2: no line number in bytecode when ASTORE exception in catchKT-56829K2: compiler FIR2IR crash on passing to function a callable reference to nested class's constructor with default argumentsKT-57029Per-file caches fail on local inline function in an inline functionKT-57085K2:@Suppressis sensitive to its argument's caseKT-57103K1: AssertionError: Mismatching type arguments: 0 vs 1 + 0 when calling inline function with callable reference to generic synthetic propertyKT-57033Make KtClassLiteralExpression stub basedKT-57035Make KtCollectionLiteralExpression stub basedKT-40857Invalid parameterized types for extension function on parameterized receiver when javaParameters=trueKT-56154Compiler backend crash on reference to Java synthetic property from generic classKT-56692StackOverflow in PrivateInlineFunctionsReturningAnonymousObjectsCheckerKT-55879Modularized tests: fir.bench.language.version is used as API version, not language versionKT-51821ClassCastException on anonymous fun interface implementation when unrelated vararg is usedKT-56820K2: compiler FIR crash on Java field access after smartcastKT-56579[K2/N] IR actualizer crashed with K2 on expect annotation marked with@OptionalExpectation, without actual.KT-56750K2: "IllegalArgumentException: No argument for parameter VALUE_PARAMETER" when calling typealias method referenceKT-55614K2: consider serializing static enum members (values/valueOf/entries) to match K1 behaviorKT-30507Unsound smartcast if null assignment inside index place and plusAssign/minusAssign is usedKT-56646K2: "IllegalStateException: No single implementation found for: FUN FAKE_OVERRIDE" when compiling a functional interfaceKT-56334K2: can't call expected function with default argumentsKT-56514K2 should report ACTUAL_TYPE_ALIAS_NOT_TO_CLASSKT-56522K2 should report ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTSKT-56910Exception during IR lowering: Cannot determine lineNumber of element FUN name:cancelProgressKT-56542K2: false positive TOO_MANY_ARGUMENTS in VarHandle.set callKT-56861FIR: test FirPluginBlackBoxCodegenTestGenerated.testClassWithAllPropertiesConstructor is failing with runtime errorKT-56234K2: "ISE: Expected value generated with NEW" with inline property setter and noinline parameterKT-56722K2: cannot resolve component call after smart castKT-56875K2: isOperator flag is incorrectly set for java methodsKT-56714K2: wrong argument mapping in DSLKT-56723K2: lambda accidentally returns Unit? instead of UnitKT-55877K2: Secondary constructor without call to parent: no frontend error, ISE: "Null argument in ExpressionCodegen for parameter VALUE_PARAMETER"KT-56386K2: Make possible to access Java field which is shadowed by Kotlin invisible property`KT-56862Compatibility problem with using Kotlin in Intellij 223 or higher because of missing particular trove4j dependencyKT-55088JS, Native compilation fail with internal error onSomeEnum.entriesreference whenSomeEnumis from klib compiled with disabled EnumEntries language featureKT-40904No warning when declare actual in the same target (module) as expectKT-56707K2: Unexpected TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM where only getter type specified explicitlyKT-56508Context receivers: Internal compiler error when compiling code containing a class with a secondary constructorKT-56706K2: False-positive ARGUMENT_TYPE_MISMATCH for generic nested types from libraryKT-56505K2: MissingNO_EXPLICIT_VISIBILITY_IN_API_MODEerrors on various declarationsKT-56682K2: False-negative UNINITIALIZED_VARIABLE on access to delegated propertyKT-56678K2: False-negative UNINITIALIZED_VARIABLE if corresponding variable has initializerKT-56612K2: false positive NO_TYPE_ARGUMENTS_ON_RHS on raw cast with type alias based argumentKT-56445K2: False-positive unresolved reference to callable reference to function with default argumentKT-55024K2: overload resolution ambiguity/unresolved reference if variable is smart-casted to an invisible internal classKT-55722K2: Incorrect OVERLOAD_RESOLUTION_AMBIGUITY with smart cast on dispatch receiver (simple)KT-56563Inference within if stops working when changing expected type from Any to a different typeKT-55936K2: Support proper resolution of callable references as last statements in lambdaKT-45989FIR: wrong callable reference type inferredKT-55169K2: False-negative NO_ELSE_IN_WHENKT-55932K2. No compiler error when elvis operator returns not matched typeKT-53987K2: False negative "TYPE_MISMATCH" with if statement returnKT-41038NI: TYPE_MISMATCH when passing constructor of nested classKT-42449Can not resolve property for value of type Any even after casting type to a type with star projectionKT-52934StackOverflow fromPseudocodeTraverserKt.collectDataFromSubgraphwithifinsidefinallyKT-52860StackOverflowError when casting involving recursive generics and star projectionKT-52424ClassCastException: Wrong smartcast to Nothing? with if-else in nullable lambda parameterKT-52262TYPE_MISMATCH: Nonnull smartcasting fails with non-exhaustive whenKT-52502Forbid extension calls on inline functional parametersKT-51045SETTER_PROJECTED_OUT: Star projected nullable property can't be set to nullKT-40480[FIR] SupporthasStableParameterNamefrom metadataKT-50134NI: Type inference regression in java streams groupingByKT-50160False positive "USELESS_CAST" caused by indexed access operatorKT-42715Unable to use implicit lambda paramitfor overloaded methodsKT-49045False positive USELESS_CAST in generic type with nullable type parameterKT-49024AssertionError: Variance conflict: type parameter variance 'out' and projection kind 'in' cannot be combinedKT-48975Type mismatch: inferred type is X but Nothing! was expected with the AssertJ latest versionKT-47870INVISIBLE_MEMBER: Kotlin class can't access protected annotation defined in Java parent classKT-47495ReenteringLazyValueComputationException on invalid codeKT-47490Missed diagnostic for incorrect callable reference in finallyKT-47484"Recursion detected in a lazy value under LockBasedStorageManager" on invalid codeKT-46301Combining branches with sealed interfaces inwhenbreaks type inferenceKT-44392False negative: redundant nullability/not null check on cast with as operatorKT-43936Recursion detected on input: ANNOTATION_ENTRY with annotation on star-imported nested classKT-43846No smart cast when returning function closures with captured smart-cast variableKT-43603False positive USELESS_CAST leads to TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM on "when" with smart cast and extension propertyKT-43553JVM / IR: "AssertionError: Unbound symbols not allowed" caused by annotation class with TYPE targetKT-42169False negative CAST_NEVER_SUCCEEDS for incompatible types with generic parameter and star projectionKT-42136NI: False positive [USELESS_CAST] when list serves to create a mutable listKT-41721SAM conversion fails on varargs with type approximated to NothingKT-38288Unresolved reference for type parameter upper bound of nested class when outer class extends it with star projected type argumentKT-37490NULL_FOR_NONNULL_TYPE: "Null can not be a value of a non-null type Nothing" when null is passed to nullable argument of type projected methodKT-37365NPE fromReflectionReferencesGenerator.generateCallableReferencewith inner class function reference and wrong parenthesisKT-36958NI: missed unresolved on parenthesized callable reference passing through call (back-ends throw an exception)KT-30756No smartcast if elvis operator as a smartcast source in while or do-while is used as the last statementKT-24737Report an error on invalid this-expression with angle brackets on left-hand side of a callable referenceKT-21463Compiler doesn't take into accout a type parameter upper bound if a corresponding type argument is in projectionKT-6822Smart cast doesn't work inside local returned expression in lambdaKT-55840Inconsistency between members of enums in bytecode between FE 1.0 + JVM IR and FIR + JVM IRKT-47815JVM: "Recursion detected in a lazy value under LockBasedStorageManager" when trying to inherit interface from a class with non-trivial functionKT-17817No error reported on invalid LHS for class literalKT-47373Missed diagnostics on/after non-null assertion (!!) on generic class class use with class literalKT-51143Wrong Unit-requiring at if/when branch with stub typesKT-53671False-positive diagnostic reported on OptIn annotation import from root packageKT-53494Mistaken type inference in compound 'if' expression with nullability check and covariant typeKT-28668"AssertionError: Unrelated types in SAM conversion for index variable" if lambda argument of '[...]' in LHS of augmented assignment is used as an implementation for different SAM interfacesKT-55931Inference for callable reference inside synthetic calls for if/when/try/etc stops working when brought into lambda for a callKT-20223Inline access check ignores operator calls toinvoke()KT-54478@NoInfercauses CONFLICTING_OVERLOADSKT-56472K2: Add stack of all FIR elements to CheckerContextKT-41126[FIR] Inconsistency of a compiler behaviour at init block for an enum entry with and without a qualifier nameKT-54931Annotations defined in nested classes cannot be instantiated directlyKT-52338"IncompatibleClassChangeError: Expected non-static field" with Kotlin class with same-named companion object property as base Java class fieldKT-24901No smart cast forwhenwith early returnKT-53086"Cannot access '' before superclass constructor has been called" with inner class secondary constructorKT-55137Callable references with conversion are incorrectly allowed to be promoted to KFunctionKT-30497EXACTLY_ONCE contract doesn't work in a function withvarargparameterKT-47074Front-end Internal error: Failed to analyze declaration State / java.lang.IllegalStateException: Should not be called! when try to add ParcelizeKT-24503Return-as-expression is allowed as this/super constructor parameterKT-55379False positive NO_ELSE_IN_WHEN with smartcast to BooleanKT-47750False positive NO_ELSE_IN_WHEN in presence of smartcast to sealed interfaceKT-53819False positive UNINITIALIZED_VARIABLE with secondary constructor and custom property getter in local classKT-56457JVM: Enum.entries are not annotated with@NotNullKT-56072K2. "IllegalStateException: Fir2IrSimpleFunctionSymbol for is already bound" when trying to access java synthetic property of inherited classKT-50082Kotlin non-overriding property of subclass doesn't shadow same-named Java field from base classKT-55822False positive ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED with raw types and mixed overridden membersKT-55666K2: label on local function is rejected: "Target label does not denote a function"KT-56283False-positive INVISIBLE_MEMBER on overridden member of more specific type after smart castKT-51969[FIR] Compilation for expect value class fails with "Fir2IrSimpleFunctionSymbol for [declaration] is already bound"KT-56329K2: compiler backend crash on two expected functions with similar signaturesKT-56361K2/MPP: receiver isn't available in lambda literals with receiverKT-55295K2/MPP: JS build functionalityKT-55909[K2/N] IndexOutOfBoundsException for a reference to a function defined in companion object superclassKT-55664K2: eliminate ClassId.isSame call from FirClass.isSubclassOfKT-56353K2. False negative "Unresolved reference" in default value of secondary constructor's parameterKT-56381K2: Function type kind not extracted from lambda literal in generic callKT-55747K2. "Convention for 'mod' is forbidden. Use 'rem'" error is missingKT-56104Unnecessary inner classes attributes in class files for subclassesKT-55570K2: ACTUAL_WITHOUT_EXPECT error is not reported on a simple actual classKT-56176[K2/N] "IllegalStateException: actual type is kotlin.Int, expected kotlin.Long" when expected type uses typealiasKT-56229K2: IllegalStateException (already bound) for triangle-like dependencies scheme with MPP scenarioKT-56199K2 + MPP + kotlinx.serialization: java.lang.VerifyError: Bad type on operand stack in aaloadKT-56212K2: Exception when compiling extension function declaration with illegally chained type parameter receiverKT-55503K2: "Argument type mismatch" caused by using the wrong "this"KT-56050K2: inconsistency regarding visibility of synthetic properties with protected getter and public setterKT-49663FIR: Support@kotlin.jvm.PurelyImplements for java collectionsKT-55468[K2/N] Crash with debuginfo caused by changed tree using IMPLICIT_COERCION_TO_UNITKT-56269[K2/N] Don't test "Tailrec is not allowed on open members" in K2KT-54647K2: Function call with Lambda on LHS of assignment leads to KotlinExceptionWithAttachments: FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtFunctionLiteralKT-54648K2: Function call on left side of erroneous assignment isn't resolvedKT-55699K2. False Negative "Type parameter T is not an expression"KT-56132Restore 'JvmBackendContext' constructor signature for compatibilityKT-55973K2: Exception from UnusedChecker on an unused destructuringKT-56275K2 IDE: Missed error for enum super typeKT-54775K2. "IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl " exception on incorrect codeKT-55528K2: CFA for property initialization analysis is not run for class initialization graphsKT-54410K2: Deprecation warning instead of "this declaration is only available since Kotlin X" when language version in project are below required to use language featureKT-55186K2: No compilation error on calling exception without constructorKT-36776Treat special constructions (if, when, try) as a usual calls when there is expected typeKT-50947False negative: FE 1.0 doesn't report type variance conflict error on an inner typeKT-39041Collection literals should not be allowed inside annotation classesKT-54694Consider enabling BooleanElvisBoundSmartCasts in K1 or K2KT-54587K2. CCE on compilation when some operator fun is needed and it is implemented as an extension function for another classKT-52774Resolve unqualified enum constants based on expected typeDocs & Examples
KT-53643Update coding style conventions to include rangeUntil operatorKT-57902Create migration tutorial from kotlin-js to kotlin-multiplatform gradle pluginKT-58381[Docs][Libraries] Document Path.createParentDirectoriesIDE
Performance Improvements
KTIJ-23501Make main run configuration detection lighterKT-56613Reduce memory consumption of light classesFixes
KT-57849K2: contract violation due to implicit java type with annotationKT-57857LC: FakeFileForLightClass: Read access is allowed from inside read-actionKT-57578SLC: incorrect upper bound wildcardsKT-57917Analysis API: decompiled value parameters are not resolvedKT-56046K2 IDE: Avoid redundant resolve from annotationsKT-57569SLC: incorrect visibility for lateinit var with private setterKT-57547SLC: non-lastvarargvalue parameter type mismatchKT-57548SLC: incorrect inheritance list for ComparatorKT-56843Light classes: certain kinds of constant values in property initializers aren't supportedKT-56868SLC: IncorrectOperationException on enum annotation arguments that are not valid Java identifiersKT-56833Light classes: Accessors to lateinit properties don't have@NotNullannotationsKT-56845Light classes: Overridden property accessors don't have@OverrideannotationKT-56441K2 IDE: reference from Java to ObjectName.INSTANCE of private object is red in IDE, but compiled successfullyKT-56891Symbol Classes: DefaultImpls classes contain methods without default implementationKT-56842Light Classes: Primitive-backed context receiver parameters shouldn't be marked with@NotNullKT-56835Light classes: Underlying fields for delegated properties should be marked as final and@NotNullKT-56840Light Classes: Inline classes backed by Java primitives shouldn't be marked with@NotNullKT-56728K2 IDE. False positivenot applicable tofor kotlin annotation with target annotating Java elementKT-55815SLC: Keep annotations on type when converting toPsiTypeKT-55669K2 IDE: INRE from light classesIDE. Completion
KTIJ-25108K2 IDE: Code completion in Java context for Kotlin top level members: "Slow operations are prohibited on EDT" through KtAnalysisScopeProviderImpl.canBeAnalysed()KTIJ-24989K2 IDE: completion should show information about expanded types for type alias parametersKTIJ-24992K2 IDE: completion shows return type with incorrect nullability when type is stub typeKTIJ-24948K2 IDE: "ERROR: class org.jetbrains.kotlin.fir.types.jvm.FirJavaTypeRef cannot be cast to class org.jetbrains.kotlin.fir.types.FirResolvedTypeRef" during completion of inner classes' constructorsKTIJ-24256K2 IDE: Angle brackets are missing in completion of function with type parametersKTIJ-24083K2, Completion: Exception on adding a type parameter receiver to a functionKTIJ-23963K2 IDE: Completion in Kotlin suggests overriding a Java field; fails with "Unknown member to override"KTIJ-22359K2 IDE: no completion for Java synthetic properties from super classKTIJ-23880Completion doesn't work for Java synthetic property referenceIDE. Decompiler, Indexing, Stubs
KTIJ-25152Kotlin Bytecode tool window: ISE Symbol with IrSimpleFunctionSymbolImpl is unbound on actual callable with argument in mpp project with IRKTIJ-24475Migrate kotlin index extension implementation from object to classesKTIJ-24335Kotlin Bytecode tool window: NoSuchElementException caused by duplicate Boolean type descriptor in JvmSharedVariablesManager.getProviderKTIJ-24206Kotlin Bytecode tool window: "Unhandled intrinsic in ExpressionCodegen" when compiling a source file with an expect functionKTIJ-15764IR by default in Kotlin bytecode tool windowIDE. Gradle Integration
KT-59034MPP build failed with "Factory type is not known for plugin variants" in kt-231-*KT-56671KGP import: K/N distribution libraries should'n be resolved for IDE by KGP with package namesKTIJ-24573KGP-based import: commonized cinterop libraries don't include source set targets, unsupported by hostKTIJ-25757KJS: 1.9.0-Beta fails to run when running in Android StudioKTIJ-24701KGP import: JVM+Android shared source sets don't receive a correct default stdlib dependencyKTIJ-24745IDE sync of kotlin("js") projects with js(BOTH) set fails with exception because of the new MPP IDE importKTIJ-24567Enable KGP dependency resolution by defaultKTIJ-24729KotlinMPPGradleProjectResolverKt must not be requested from main classloader on project importKTIJ-11978IDE does not recognize the sources JAR of a published to mavenLocal MPP libraryIDE. Inspections and Intentions
KTIJ-24684K2 IDE: 'Redundant qualifier name' false positive in type specification in extension functionKTIJ-24662K2 IDE: False positive "Redundant qualifier name" inspection for nested class from base interfaceKTIJ-25232K2 IDE: "Redundant qualifier name" inspection false positive with object referenced via propertyKTIJ-25447Make Enum.entries and RangeUntil inspections don't check for opt-in when APIs become stableKTIJ-23588K2 IDE. False positive unused import directive for extension function of an objectKTIJ-25112K2 IDE: False positive "Actual value of parameter 'b' is always 'null'"KTIJ-24485Explicit API mode: false positive "redundant 'public' modifier"KTIJ-24453Unsuccessfull resolve error from OperatorToFunctionIntention on recursive property declarationIDE. JS
KT-58427Kotlin Gradle Plugin ignores language version value for Kotlin/JS sourcesIDE. Libraries
KTIJ-25096K2 IDE: Library sessions are garbage collected between performance test runs with enabled library cachesKTIJ-24413Cannot navigate to enum of the Kotlin library via entries callIDE. Multiplatform
KTIJ-25859MPP: Library wizard with android target uses deprecatedandroidTestsource setKTIJ-25479Compiler options is not imported correctly for js source setsKTIJ-24011MPP: Native tests are missing run guttersJavaScript
New Features
KT-12784JS: generate ES2015 compatible modulesKT-48154KJS / IR: Inline members support for external typesKT-51582FIR: support basic compile-time evaluation for JS backendFixes
KT-43490KJS / IR: "Cannot set property message of Error which has only a getter" caused by class that is child of ThrowableKT-57690K2/MPP: compileProductionLibraryKotlinJs fails with Module has a reference to symbol kotlin/arrayOf|3204918726020768747[0]. Neither the module itself nor its dependencies contain such declarationKT-56911K2/MPP: Compile K/JS fails for@Serializableannotation with class IrDeclarationOrigin$GeneratedByPlugin cannot be cast to class IrDeclarationOriginImplKT-56950Support KLIB IC with K2KT-58570KJS: ES6 classes + PL throw java.lang.NullPointerExceptionKT-58835K2/JS: Fix incremental compilation klib testsKT-58794KJS / K2: Assertion failed with Space buildKT-51706Partial linkage: in case of absent symbol referred from declaration Native compiler is successful, JavaScript failsKT-54452Kotlin/JS libraries with "joined" legacy+IR content: publish IR sources for themKT-53180Kotlin/JS: generated TypeScript constructor can have "TS1016: A required parameter cannot follow an optional parameter" error with certain properties orderKT-39650KJS IR: provide a way to enable ES2015 class generationKT-57990KJS/IR. Invalidsupercall for final parent methods (ES classes)KT-58246KJS: ES15 classses — duplicated code in class constructorKT-57479KJS: Add an annotation for a function parameter which checks that a passed argument has an external typeKT-58201Unknown statement type when building with ES modulesKT-30810values and valueOf are miscompiled for external enum classesKT-57024Ugly TypeScript definitions for declarations with both@JsExportand@SerializableKT-56237KJS + IC: Adding or removing interface default implementation doesn't invalidate children and doesn't update JS codeKT-54638K2/JS: Fir2ir - implement and use JS-specific manglerKT-54028Native / JS: Using private object implementing a sealed interface causes a linker errorKT-57423KJS: Add an annotation for external interfaces which allows to be inherited only by other external interfaces, classes or objectsKT-57711K2: Native & JS fail to compile a KLIB that uses const val from a dependency KLIBKT-57078JS IC: Unbound symbol left inSymbolTableinJsIr[ES6]InvalidationTestGenerated.testBreakKlibBinaryCompatibilityWithVariancetestsKT-57254Deprecateexternal enumdeclarationsKT-57002KJS: "JsParserException: missing name after . operator" when a js(...) block contains an interpolated constantKT-56961JS IR: serializedIrFileFingerprints in klib manifest has a wrong formatKT-56282KJS: Invalidate incremental cache in case of compiler internal errorsKMM Plugin
KT-55402"Framework not found SQLCipher": after selection of "Regular framework" as "iOS framework distribution" and installing SqlCihper through CocoaPodsKT-55988KN debugger in KMM plugin for Android Studio can't recognize the source codeLanguage Design
New Features
KT-48872Provide modern and performant replacement for Enum.values()KT-15613Introduce special syntax for the until operatorKT-4107Design and implement a solution for toString, equals and hashCode on objects (data object)Fixes
KT-28850Prohibit protected visibility in final expected classesKT-39362Expect fun interface must have actual fun interface counterpartKT-48994Prohibit type unsound java fields assignmentsKT-58791Prolongate PROGRESSION_CHANGE_RESOLVE diagnostics to 2.xKT-53778Release stdlib API about "rangeUntil" operator in 1.9KT-53653Export Enum.entries to Objective-C and SwiftKT-55177Deprecate declaration of expect and actual counterparts of same class in one moduleKT-49110Prohibit access to members of companion of enum class from initializers of entries of this enumKT-47986Forbid implicit inferring a type variable into an upper bound in the builder inference contextKT-57395Delay ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound feature to LV 2.0KT-55082Bump KLib version for Enum.entriesKT-49264Deprecate infix function calls of functions named "suspend" with dangling function literalLibraries
New Features
KT-58046Stabilize remaining kotlin.time API: time sources, time marks, measureTimeKT-58074Stabilization of Atomics API in K/NKT-55268Mutiplatform@VolatileannotationKT-51908Provide common function for getting regex capture group by nameKT-53263Path.createParentDirectoriesKT-7637Add toString() to standard delegates classes (NotNullVar, LazyVal, BlockingLazyVal, ...)KT-40728Add AssertionError constructor withcause: Throwableparameter to common stdlibKT-57298Avoid FileAlreadyExistsException from Path.createParentDirectories in case of parent is symlinkPerformance Improvements
KT-54739buildmethod in collection builders (Set, Map, List) should return a single instance for empty collectionsKT-42589Provide common listOf(value) overload to avoid allocation of the varargKT-55091Stdlib: Sequence.toSet() and Sequence.toList() may create the collection twiceKT-57617Optimize ReversedListReadOnly iteratorKT-57607KJS: Bad performance for ArrayList.addAllFixes
KT-58841Serialization: NPE when obtaining a serializer of a sealed base class with a self-referencing propertyKT-57728Explicitly specify level of stability of programmatically-accessible interoperability APIKT-58985Update KClass.isData KDocKT-57762Introduce HexFormat for formatting and parsing hexadecimalsKT-55612Stabilize experimental API for 1.9KT-58548Stabilize standard library API for Enum.entriesKT-56400Disable compilation of atomicfu-runtime with legacy JS backendKT-58276Deprecate redundant public declarations in kotlin.native.concurrentKT-35973Extract org.w3c declarations from stdlib-jsKT-58073JS/Legacy compiler blocks compilation of kotlinx.atomicfu with K2KT-57317Repack EnumEntries from stdlib into the compilerKT-54702Native: mark Worker and related APIs as obsoleteKT-55610Deprecate kotlin.jvm.Volatile annotation in platforms except JVMKT-57404Native: Support AnnotationTarget.TYPE_PARAMETERKT-57318Change EnumEntries stdlib implementation to be eagerKT-57137Native: Consider removing ArrayAsListKT-56661Missing EnumEntries-related bytecode in kotlin-stdlib-1.9.255-SNAPSHOT.jarKT-51579PlatformImplementations loading is not compatible with graalvm native-image --no-fallbackNative
KT-54098Decommission and remove 'enableEndorsedLibs' flag from Gradle setupKT-52594Provide Alpha support for Native in the K2 platformKT-56071K2/MPP: Native build functionalityKT-56218[K2/N] Receiver annotations for properties are not serializedKT-56326[K2/N] RemoveRedundantCallsToStaticInitializersPhase removes important static initializerKT-27002lateinitintrinsics frontend checkers aren't applied on NativeNative. Build Infrastructure
KT-58160Native: performance build configuration fails with NoSuchMethodError: 'boolean kotlinx.coroutines.CompletableDeferredKt.completeWith(kotlinx.coroutines.CompletableDeferred, java.lang.Object)'Native. C and ObjC Import
KT-54610Kotlin Native can't callobjc_directfunctionsKT-57918[K2/N] Support typealiases in FirClassSymbol<*>.selfOrAnySuperClass()KT-58651Native c-interop tool generates broken@DeprecatedannotationsKT-57541Compilation fails without explicit cast on cinterop codeKT-54805KMP ios memory leak when using CA LayerKT-57490[K/N] Duplicate package names for cinterop klibs with objc protocols fails to linkNative. ObjC Export
KT-58839K/N: Exception during HiddenFromObjC marked class extension function compilingKT-56464K/N: Allow HiddenFromObjC for classesKT-57507K2: Set of Objc exported declarations is different between K1 and K2Native. Runtime
KT-58441Kotlin/Native:@ObjCAction@ObjCOutletgenerate bridges without switching stateKT-57091Align Native and Java file/class initialization behaviorNative. Runtime. Memory
KT-56233[Kotlin/Native] Crash when enum values are accessed in multiple threadsKT-58130Implement preview of custom allocator for Kotlin/NativeKT-56402Native: if a Kotlin peer for an Obj-C object is created on the main thread, then Kotlin runtime should run objc_release for it on the main threadNative. Stdlib
KT-57344Try to remove strange .equals overload on primitive typesKT-57592Native: Remove the default parameter value for AtomicLong constructorNative. Testing
KT-57349Enable more K2 MPP codegen/box tests for Kotlin/NativeKT-57026K2: Fix Native test infrastructure for MPPReflection
KT-54833Reflection: Incorrect behaviour for Field.kotlinProperty function in companion objectsKT-56650ArrayStoreException from InlineClassAwareCaller.call with an array of inline classKT-56093Metaspace leak in a Gradle plugin built with Kotlin 1.8.0KT-55937Optimize implementation of kotlinFunction/kotlinPropertyTools. CLI
KT-57495Add JVM target bytecode version 20KT-57154Incorrect version of JDK is provided through CoreJrtFsKT-56209Add CLI support for HMPP in K2KT-58351Confusing error message when using removed -Xjvm-default mode valueKT-57535K2: Kotlin command line compiler doesn't see class files on the class path in 2.0KT-57644K2: Prohibit passing HMPP module structure with CLI arguments to metadata compilerKT-56351Reduce memory usage spent on compiler settingsTools. Commonizer
KT-57796NoSuchFileException in :module-B:commonizeCInterop with Kotlin 1.8.20KT-56207Investigate failing tests in ClassifierCommonizationFromSourcesTestTools. Compiler Plugins
Fixes
KT-57821K2: Compiler calls declaration generation plugins twice for classes in the common source setKT-57406FIR Compiler plugins: Assignment plugin incorrectly recognizes qualified names of annotationsKT-57626K2: SERIALIZER_NOT_FOUND for serializable class from another moduleKT-57400FIR Compiler Plugins:annotatedpredicate does not work with Java classesKT-57140K2: Implement backwards compatibility for FirFunctionTypeKindExtensionKT-56685K2: ArrayIndexOfBound during session creation if compiler plugins are enabledKT-55375Remove "legacy" mode of jvm-abi-gen pluginKT-53470FIR: passMemberGenerationContextto all methods of FirDeclarationGenerationExtensionKT-51092Lombok@Valuecauses IllegalAccessErrorKT-55885K2 plugin API: Backend-only declarations are not visible from other modulesKT-55584K2: Improve registration of session components from compiler pluginsKT-55843FIR Plugin API: metaAnnotated predicate returns meta-annotation itself as wellKT-53874Optimize checking for plugin applicability and redesign DeclarationPredicatesTools. Compiler plugins. Serialization
Fixes
KT-58954Serialization: NPE at run time when accessing a delegating property of a deserialized objectKT-56537Serialization: Presence of (transient) delegated field in the serialized class breaks deserializationKT-58918Serialization: NPE at run time obtaining a serializer for a sealed class with a generic self-referencing propertyKT-59113Serialization: NPE at run time when accessing a delegating property of a deserialized objectKT-57647Serialization: "IllegalAccessError: Update to static final field" caused by serializable value classKT-57704K2/serialization: false-positive SERIALIZER_NOT_FOUND when compiling against 1.7.20 binary with enum classKT-57083K2/serialization: can't resolve serializers for classes from other modulesKT-56480K2: false-positive warning about incompatible serializer type when using type aliasesKT-56594K2/serialization reports SERIALIZER_NOT_FOUND over aliased String or primitive typesKT-56553Support 'serialization plugin intrinsics' feature in K2KT-56244kotlinx.serialization compiler intrinsic does not work with encodeToString function in 1.8.0Tools. Daemon
KT-50846Remove "new" Kotlin daemon from codebaseTools. Gradle
New Features
KT-56971Expose jvmTargetValidationMode property in KotlinCompile Gradle taskKT-57159Add project level compiler options for Kotlin/JVM pluginPerformance Improvements
KT-57052Gradle: Stop using exceptions for flow controlKT-57757Reduce classpath snapshotter memory consumptionKT-56052Implement an in-memory wrapper for PersistentHashMap to avoid applying changes to IC caches before successful compilationFixes
KT-55624Update KGP integration tests that use removed in Gradle 8 getClassifier methodKT-59589Gradle: 'java.lang.NoClassDefFoundError: com/gradle/scan/plugin/BuildScanExtension' on 1.9.0-RC when applying Enterprise Plugin from initscriptKT-59063Explicit API mode broken in Kotlin 1.9.0-BetaKT-57653Explicit API mode is not enabled when free compiler arguments are specified in Gradle projectKT-59256[1.9.0-Beta] ServiceLoader does not pick up classes defined in the same projectKT-58662Gradle 8.1 + Configuration Cache: custom values data is missing from build reportKT-58280org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpathKT-59191Actual compilation failure exception might be hidden in the case of a Kotlin daemon crashKT-56211Improve Kotlin build reportsKT-57767Gradle: "ZipException: invalid entry size" with 1.8.20KT-57736K2: Introduce an easy way to try K2 compiler in Gradle user projectsKT-59056FreeCompilerArgs options added using 'subprojects' extension override module-level freeCompilerArgs optionsKT-55740Gradle 8: Listener registration using Gradle.addBuildListener() has been deprecatedKT-37652Support explicit mode for Android projectsKT-58251Build Statistics. Kotlin-specific tags are missing in build scans if projects use Gradle 8+KT-57224Add an indicator into build metrics report to show whether K1 or K2 compiler was used to compile the codeKT-58571ExplicitApi mode should not apply for test compilationsKT-42718Test and AndroidTest sources should be excluded from explicit API requirements for librariesKT-58916[1.9.0-Beta] PLUGIN_CLASSPATH_CONFIGURATION_NAME and NATIVE_COMPILER_PLUGIN_CLASSPATH_CONFIGURATION_NAME should stay public or offer an alternative APIKT-58869K2, Gradle: Improve message "100% (2/2) tasks have compiled with Kotlin 2"KT-52811Kotlin Serialization metadata issue due to incompatibility between Gradle Kotlin embedded version and Kotlin Gradle Plugin versionKT-57330Provide collection of usage statistics for the DokkaKT-57393jvm-target value set through 'android.kotlinOptions' is ignored and overwritten with the default 1.8 valueKT-58745KaptGenerateStubs task should also be configured with the same compiler plugin optionsKT-58682Explicit api mode does not apply in MPP projectsKT-52976Remove deprecated Gradle conventions usagesKT-58530Compiler plugin unbundling changes should be backward compatible with Kotlin pluginKT-36904Adding folders to sourceSets.resources.srcDir() in Gradle script does not workKT-58313An exception in console if no task is executed and file build reports are enabledKT-58619Move all pm20 interfaces into Gradle plugin codebaseKT-58320Kotlin daemon OOM help message is missing on OOM in Kotlin Daemon itselfKT-53923Add 'progressive' compiler argument to Gradle compiler optionsKT-53924Add 'optIn' compiler arguments to Gradle compiler optionsKT-53748Remove KotlinCompile setClasspath/getClasspath methodsKT-56454Bump minimal support AGP version to 4.2.2KT-57397Add infrastructure to use the build-tools-api to run compilation from GradleKT-56946Switch incremental Gradle tests for K2 to use language version 2.0KT-57782Disable daemon fallback strategy for Gradle integration tests by defaultKT-57142Split org.jetbrains.kotlin.gradle.tasks/Tasks.kt into several source filesKT-54447Remove usage of deprecated internal Gradle field in Kotlin Gradle Plugin, replace with equivalent in public APIKT-49785Avoid creating task output backups until really neededKT-56047False positive message about full recompilation is displayed while restoring from build cache and then making a syntax errorKT-56421Gradle: plugin should not use BasePluginExtension deprecated propertiesKT-55241Gradle: the VariantImplementationFactories build service state is not persistent making impossible to access factories with configuration cache lazilyKT-56357Gradle: "DefaultTaskCollection#configureEach(Action) on task set cannot be executed in the current context" because of VariantImplementationFactoriesKT-56352Make build scan reports more readableKT-55972Gradle: Add an assertion to all integration tests ifwarningModeis notFAIL, but the build doesn't produce any warningsTools. Gradle. Cocoapods
KT-38749Support reusing generated C-interop between dependant podsKT-54161Support adding extra code to generated Podfile from the Kotlin gradle pluginKT-56162Provide granular Gradle warnings suppression for CocoaPodsITTools. Gradle. JS
New Features
KT-48791KJS: Support for Power(ppc64le) and Z(s390x)KT-32209org.jetbrains.kotlin.js does not respect Gradle's archivesBaseNameKT-52646KJS / Gradle: make "KotlinCompilationNpmResolver already closed" a warningKT-52647KJS / Gradle: Make "Projects must be configuring" a warningKT-56158KJS: Support implementation dependenciesFixes
KT-59604Unresolved reference: useKarma in convention pluginKT-57604JS, Space: Circular dependency between tasksKT-59116K/JS npm dependcies are not resolved properly on Kotlin 1.9KT-54731KJS / Gradle: "There are multiple versions of "kotlin" used in nodejs build: 1.6.21, 1.7.20." with kotlin-dsl in buildSrcKT-58970browserTest gradle task fails if karma is used and gradle configuration cache is enabledKT-59004Kotlin JS 1.9.0-Beta, yarn.lock is unstable in multi module projectKT-56458KJS / Gradle: Unnecessary and confusing "There are multiple versions of "kotlin" used in nodejs build" generated fromYarnImportedPackagesVersionResolverKT-57985K/JS:packageJsonGradle configurations don't inherit unique attributes from JsTarget DSLKT-57817JS: executables for couple of JS targets builds in the same directoryKT-58199K/JS: Remove useCoverage methodKT-57116KJS / Gradle:commonWebpackConfignot applied if called afterbinaries.executable()KT-58522K/JS: Upgrade NPM dependency versionsKT-57629K/JS: Change default destination of JS production distributionKT-57480K/JS: Use IR compiler by default without explicit choosing of js compilerKT-58345K/JS: Webpack task skipped with ES modules because files have mjs extensionKT-58071KJS / Gradle:jsNodeTesttask is not incrementalKT-43809KJS: browserProductionExecutableDistributeResources tasks deletes distributions directoryKT-56690Kotlin2JsCompiler friendDependencies cannot be configured through friendPathsKT-57920K/JS: Make imported NPM package not considering dev dependenciesKT-56025KJS / Gradle: Gradle 8.0 jsBrowserProductionWebpack uses the output of another project's jsProductionExecutableCompileSyncKT-57630K/JS: webpack updating twice on one change of kt sourcesKT-47351KJS / IR::jsTestPackageJsonis unable to find nested included builds under composite buildKT-44754K/JS:browserRun --continuouskeeps rebuilding without any changesKT-49774KJS / Gradle: Errors during NPM dependencies resolution in parallel build lead to unfriendly error messages like "Projects must be closed"KT-57387Remove support of webpack 4KT-57386Kotlin/JS upgrade npm dependenciesKT-56705KJS / Gradle: Module name starting with '@' isn't properly set when FUS is disabledKT-46428KJS / IR: Composing build failed "Failed to create MD5 hash for package.json"KT-53687Don't trigger npm and yarn related tasks if it not relevant for assembleKT-49915KJS / Gradle: Gradle build cache miss because of absolute path inKotlinJsIrLink.filteredArgumentsMapKT-56192KJS: In browser testing no original sources in stacktraceKT-42395Kotlin/JS: Gradle DSL: PackageJson.customField() does not accept nullKT-43305Support Node.JS downloading for UbuntuKT-48631KJS: Unconditionally uses linux/x86 binariesKT-38015NodeJS installation does not extract symlinks correctly (npm and npx)Tools. Gradle. Multiplatform
New Features
KT-34662Provide an option for Android targets to compile & runcommonTesttests as unit tests only, instrumented tests only, or bothKT-55881Add possibility to enable/disable sources publication similar to Java Gradle Plugin APIFixes
KT-59446MPP: transformCommonMainDependenciesMetadata failing for api java dependency in shared jvm source set with Future was not completed yetKT-55751MPP / Gradle: Consumable configurations must have unique attributesKT-57688MPP:compileDebugKotlinAndroidtask fails with llegalArgumentException: 'moduleName' is null!KT-56210Pass module structure to CLI of K2 if K2 enabledKT-57531KotlinNativeLink: StackOverflowError when consuming library with dependency cycles (from constraints)KT-58281Kotlin Gradle Plugin: Enable Kotlin/Android SourceSetLayout v2 by defaultKT-57903Prepare for migration to the pluggable android target pluginKT-49933Support Gradle Configuration caching with HMPPKT-58661KGP: KotlinJvmTarget: Implement 'run' carrier taskKT-59055KotlinJvmRun not respecting jvmToolchain settingKT-57959Module-name value can't be changed for the android target of a multiplatform projectKT-55506TCS: Gradle Sync: kotlin-stdlib-common is not filtered from JVM + Android source setsKT-57652Don't expose sourcesElements for project2project dependenciesKT-58601Finalise "ExternalKotlinTargetApi" shape for initial 1.9 releaseKT-58710External Target Api: Add API to control SourceSetTreeKT-58488Add a diagnostic message to KGP in case of val androidTest by getting usageKT-57482cleanNativeDistributionCommonization is not compatible with configuration cache with gradle 8.0KT-58062Commonizer configuration cache not compatible with Gradle 8.1KT-58086Warn about using MPP libraries published in the legacy modeKT-56439TCS: Gradle Sync: IdeBinaryResolver: Add componentFilter API for compilations/configurationsKT-57023Cryptic Gradle task descriptions for compile tasksKT-58470Warning about using MPP libraries published in the legacy mode is not reported if the dependency is declared in an intermediate source setKT-58466K2 Gradle: non *.kt files are passed to -Xfragment-sourcesKT-58319kotlin.git: ProjectMetadataProviderImpl "Unexpected source set 'commonMain'"KT-51940HMPP resolves configurations during configurationKT-58261Link kotlin native binary framework tasks fails when configuration cache is enabledKT-41506UnknownDomainObjectException: "KotlinSourceSet with name not found" when creating custom compilations after applying withJava to an MPP JVM targetKT-58209Do not use the term 'Module' in KotlinTargetHierarchyKT-56153When the dependency is unresolved, import fails and don't import anything instead of degrading gracefullyKT-56571New import broke apiVersion for commonMain, commonTest and jvmAndAndroidMain modulesKT-56712Multiplatform;Composite Builds: Classpath isolation: .MppDependencyProjectStructureMetadataExtractorFactory cannot be cast to class *MppDependencyProjectStructureMetadataExtractorFactoryKT-56461MPP: resolvableMetadataConfiguration: Ensure consistent resolution across all compile dependenciesKT-56841MPP: Module-to-module dependencies don't work inside included build in included buildKT-42748Project that transitively depends on composite build of multimodule multiplatform library cannot resolve dependencies properlyKT-52356MPP / Gradle: Missing common classes on KMM project integrated via Gradle included build into an Android applicationKT-51293Unresolved references with hierarchical project structure when building KotlinMetadata from native-common source setKT-56700V2 MPP Source Set layout warnings should include link to docsKT-55926TCS: Gradle Sync: Import Extras on KotlinSourceSet and KotlinTargetKT-55730MPP / Gradle: compileKotlinMetadata fails to resolve symbols in additional source setsTools. Gradle. Native
KT-58838KGP/Multiplatform: 1.9.0-Beta with custom cinterops: IllegalStateException: Could not create domain object 'jni' (DefaultCInteropSettings)KT-57823KotlinNativeCompileOptions.moduleName value is ignored and replaced with the default one if to set up using compilationsKT-57815KotlinNativeCompileOptions.moduleName isn't accessible if to configure using compilerOptions.configure {}KT-57944K2: K2, MPP, Native: K2 reports "Source does not belong to any module" for native sourcesKT-53108Expose Kotlin/Native compiler options as Gradle DSLKT-58063Kotlin/Native tasks configuration cache are not compatible with Gradle 8.1KT-38317Kotlin/Native: NSURLConnection HTTPS requests fail in iOS tests due to --standalone simctl flagKT-56280Gradle: freeCompilerArgs are no longer propagated from compilations to Native binariesTools. Incremental Compile
KT-58289IC fails to detect a change to class annotationsKT-58986New IC: ISE "The following LookupSymbols are not yet converted to ProgramSymbols: LookupSymbol(name=$$delegatedProperties, ...)"KT-56197If use classpathSnapshot, the invoke place of subclass's super function who has default parameters will not recompiled if it is incremental buildKT-56886K2: Changes to Java sources used in Kotlin project do not trigger a rebuild if a previous build was successfulTools. Kapt
KT-54468KAPT Gradle plugin causes eager task creationKT-59521Kapt maven plugin require version of annotation processorKT-58301K2: Compile Kotlin task failure for the generated by Kapt sources : 'Source NameOfTheGenerated.kt does not belong to any moduleKT-57598K2: Support a fallback mode executing Kapt with K1 even when the compiler is run with languageVersion=2.0KT-58226KAPT: “org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtNameReferenceExpression” with enum with secondary constructorTools. Maven
KTIJ-25445Maven. JVM target is imported as 1.6 when no target specified in pom.xmlTools. Parcelize
KT-59112K2: "IllegalStateException: Function has no body with@Parcelize" on nested sealed class hierarchiesTools. Scripts
KT-58366The obsolete kotlin-script-util jar is still published and contains broken JSR-223 implementationTools. Wasm
KT-56585Change wasmBrowserRun Browser Executable to System DefaultKT-56159Running (karma) tests doesn't work in a project generated by wizard "Browser Application for Kotlin/Wasm"KT-57203Update Kotlin/Wasm to support Gradle 8Checksums
v1.8.22: Kotlin 1.8.22Changelog
Tools. Gradle
KT-58280org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpathChecksums
v1.8.21: Kotlin 1.8.21Changelog
Compiler
KT-57848Native: compilation of dynamic/static library fails with Xcode 14.3KT-57875Native compilation failure: Suspend functions should be lowered out at this point, but FUN LOCAL_FUNCTION_FOR_LAMBDAKT-57946KAPT: "RuntimeException: No type for expression" with delegateJavaScript
KT-57356KJS: StackOverflowException on@JsExportwith type parameters referring to one anotherTools. Commonizer
KT-57796NoSuchFileException in :module-B:commonizeCInterop with Kotlin 1.8.20Tools. Compiler plugins. Serialization
KT-58067Serialization: NullPointerException caused by@Contextualproperty with type with genericKT-57730Serialization: "IllegalStateException: Serializer for element of type .Foo has not been found" caused by serialization of Java typeTools. Gradle. JS
KT-57766KJS / Gradle "Module not found: Error: Can't resolve 'kotlin-kotlin-stdlib-js-ir'" when using "useEsModules"Tools. Kapt
KT-58027Kotlin 1.8.20 kapt issue "null: KtCallExpression: build()"Tools. Maven
KT-58048Maven: "Too many source module declarations found" after upgrading to 1.8.20KT-58101'Unable to access class' in kotlin-maven-plugin after updating to Kotlin 1.8.20Checksums
v1.8.20: Kotlin 1.8.20Changelog
Analysis API
KT-55510K2: Lost designation for local classesKT-55191AA: add an API to compare symbol pointersKT-55487K2: symbol pointer restoring doesn't work for static membersKT-55336K2 IDE: "java.lang.IllegalStateException: Required value was null." exception while importing a compiled JPS projectKT-55098AA: KtDeclarationRenderer should render a context receiversKT-51181LL API: errors for SAM with suspend function from another moduleKT-50250Analysis API: Implement Analysis API of KtExpression.isUsedAsExpressionKT-54360KtPropertySymbol: support JvmField in javaSetterName and javaGetterNameAnalysis API. FE1.0
KT-55825AA FE1.0: stackoverflow when resolution to a function with a recursive type parameterAnalysis API. FIR
KT-54311K2: proper implementation of KtSymbolPointerKT-50238Analysis API: Implement KSymbolPointer for KtSymbolAnalysis API. FIR Low Level API
KT-52160FIR: Substitution overrides on FirValueParameter-s are incorrectly unwrappedKT-55566LL FIR: Tests incompiler/testData/diagnostics/tests/testsWithJava17fail under LL FIRKT-55339LL FIR: Missing RECURSIVE_TYPEALIAS_EXPANSION error in function type aliasKT-55327LL FIR: Diverging UNRESOLVED_REFERENCE errors in recursive local function testKT-54826KtSymbolPointer: migrate from IdSignature to our own solutionAndroid
KT-54464MPP, Android SSL2: Add a flag for suppressing warning in case of using Android Style foldersBackend. Wasm
KT-38924Wasm support in nodejsKT-56160Getting WebAssembly.CompileError in browsers not supported GC and other required proposalsKT-46773Implement an experimental version of the Kotlin/Wasm compiler backendKT-56584K/Wasm: Can't link symbol classKT-56166Fix compatibility with Firefox NightlyKT-55589Basic support of WASIKT-53790Reading from "node:module" is not handled by plugins error with Kotlin/Wasm 1.7.20-BetaCompiler
New Features
KT-54535Implement custom equals and hashCode for value classes in Kotlin/JVMKT-55949Release experimental@Volatilesupport in nativeKT-44698Frontend (K2): print file name/line on compiler crash/exceptionKT-54666K2: Allow to skip specifying type arguments for members from raw type scopeKT-54524Implement Java synthetic property references in compilerKT-54024K2: support -Xlink-via-signatures modePerformance Improvements
KT-33722JVM: Result API causes unnecessary boxingKT-53330Optimize for-loops and contains over open-ended ranges with until operator (..<) for all backendsKT-54415JVM BE: performance loss related to multi-field inline class loweringKT-48759Infix compareTo boxes inline classesKT-55033Make org.jetbrains.kotlin.resolve.calls.inference.model.NewConstraintSystemImpl#runTransaction an inline functionKT-54501Improve code generation for inline classes with custom equalsFixes
KT-56965K/N: linkDebugFrameworkIosArm64 tasks failing with UnsupportedOperationException: VAR name:disposables type:com.badoo.reaktive.disposable.CompositeDisposable [val]KT-56611Native: new native caches are broken when KONAN_DATA_DIR is defined to a directory inside ~/.gradleKT-55251Enum.entries compilation error should be more specificKT-56527K2: "AssertionError: Assertion failed" during compilation in SequentialFilePositionFinderKT-56526InvalidProtocolBufferException on reading module metadata compiled by K2 in 1.8.20KT-57388Kapt+JVM_IR: "RuntimeException: No type for expression" for delegated propertyKT-53153Synthetic Enum.entries can be shadowed by user-defined declarationsKT-51290"AssertionError: Parameter indices mismatch at context" with context receiversKT-57242Equals behaviour for value classes implementing interfaces is different between 1.8.10 and 1.8.20-RCKT-57261"IllegalArgumentException was thrown at: MemoizedInlineClassReplacements.getSpecializedEqualsMethod" when comparing non-inline class instance with an inline class instanceKT-57107Handling of Windows line endings CRLF broken in latest snapshot with K2KT-57117K2: Compiler reports invalid columns in diagnostics in case of crlf line endingsKT-56500The type parameter TYPE_PARAMETER name:E index:0 variance: superTypes:[kotlin.Any?] reified:false is not defined in the referenced function FUN LOCAL_FUNCTION_FOR_LAMBDAKT-56258VerifyError: Bad local variable type when using -XdebugKT-54455Unexpected result of equality comparison of inline class objectsKT-56251Generic Java synthetic property references don't work in K2KT-55886K2: Wrong code location mapping with Windows line endingsKT-43296FIR: Complicated interaction between smart cast and inference leads to false-positive diagnosticKT-57053Problem around anonymous objects in inline functionsKT-54950NoSuchMethodError on calling 'addAll' on inline class implementing mutable listKT-56815compileKotlin task is stuck with while(true) and suspend functionKT-56847Unresolved reference to Java annotation in Kotlin class with the same name packagesKT-52459Context receivers: AbstractMethodError caused by Interface method with both an extension and a context receiver is overriden incorrectly in subclassesKT-56215JVM: Object extension function nullable receiver null check false negative when object is nullKT-56188K/N: AssertionError when casting SAM wrapper with generic type parameterKT-56033Restore 'isMostPreciseContravariantArgument' function signature for compatibilityKT-56407Backend Internal error: Exception during IR lowering during:daemon-common-new:compileKotlinKT-55887K2. "IllegalStateException: org.jetbrains.kotlin.ir.expressions.impl.IrErrorCallExpressionImpl is not expected" on adding kotlin.plugin.jpaKT-56701K2 (with LightTree) reports syntax errors without additional informationKT-56649K2 uses 0-index for line numbers rather than 1-indexKT-54807K2. Support@OnlyInputTypesdiagnostic checks (containslike calls)KT-51247"AssertionError: org.jetbrains.kotlin.ir.expressions.impl.IrFunctionReferenceImpl" caused by context receiver functional typesKT-55436K1: implement warning about shadowing of the derived property by the base class fieldKT-56521Static scope initializers sometimes not called when first accessed from interopKT-49182Strange cast from Unit to StringKT-55288False negative WRONG_ANNOTATION_TARGET on type under a nullability qualifierKT-33132Cannot override the equals operator twice (in a class and its subclass) unless omitting the operator keyword in the subclassKT-56061K1 does not report error on inconsistent synthetic property assignmentKT-55483K2: Fir is not initialized for FirRegularClassSymbol java/lang/invoke/LambdaMetafactoryKT-55125Difference in generated bytecode for open suspend functions of generic classesKT-54140SOE atIrBasedDescriptorsKt.makeKotlinTypewith mixing recursive definitely not nullable type with nullabilityKT-56224Clarify message "Secondary constructors with bodies are reserved for for future releases" for secondary constructors in value classes with bodiesKT-54662K2: Assign operator ambiguity on synthetic property from javaKT-54507K2: WrongimplicitModalityfor interface inFirHelpersKT-55912"UnsupportedOperationException: Unsupported const element type kotlin.Any" caused bykotlinfqn in annotationKT-56018[K2/N] Fir2Ir does not take value parameters annotations from FIR to IRKT-56091[K2/N] Fix various property annotationsKT-54209K2: false positive deprecation on a class literal with deprecated companionKT-55977[K2/N] Suspend function reference type is wrongly serialized to klibKT-55493K2: False-negative VAL_REASSIGNMENTKT-55372K2: false-negative INVISIBLE_MEMBER for call of static method of package-private Java grandparent classKT-55371K2: compiled code fails trying to call static method of package-private Java grandparent classKT-55408K2: can't access indirectly inherited from a package-private class Java members through a type aliasKT-55116K2: store static qualifiers in dispatch receiver fieldKT-55996K2: cannot switch the light tree mode off with -Xuse-fir-lt=falseKT-55368K2/MPP: Metadata compilerKT-54305K1: implement warning "synthetic setter projected out"KT-52027"NullPointerException" when using context receivers with inline funKT-55984Stack allocated array is not cleaned between loop iterationsKT-52593Provide Alpha support for JS in the K2 platformKT-54656NoSuchMethodError on invoking Java constructor which takes an inline value class as a parameterKT-56015Remove unnecessary stack traces for special checks for ObjC interopKT-55606K2. Infix operator "in" works on ConcurrentHashMap when it's declared through another classKT-53884K2: "IllegalStateException: Fir is not initialized for FirRegularClassSymbol com/appodeal/consent/Consent.a" when importing this classKT-54502Synthetic extensions on raw types work differently from regular getter callsKT-49351FIR: Raw type scopes are unsupportedKT-49345FIR: Properly support raw types in type parameter upper boundsKT-55733K2. Reference resolve works incorrectly for classes declared through typealiasKT-46369FIR: Investigate raw types for arraysKT-41794[FIR] Implement raw type based scopeKT-55181K2. No compilation error on throwing not throwableKT-55398Kotlin inline nested inline lambda's inline variable will inline not correctlyKT-55359K2. No error when secondary constructor does not delegate to primary oneKT-55759K2: Unresolved reference ofserializerif library linking is used (with kotlinx.serialization plugin)KT-54705Kotlin scripting doesn't support files with UTF-8 BOMKT-51753FIR: various errors due to expect/actual mapping absence in translatorKT-44515FIR DFA: extract non-null info from anonymous object's initializationKT-55018K2 / serialization: FIR2IR fails on local companionKT-55284Refactor org.jetbrains.kotlin.diagnostics.KtDiagnosticReportContextHelpersKt#reportOn(...)KT-55693K2. Type inference changed in k2KT-54742K2: lambda with conditional barereturninferred to return Any, not UnitKT-54332Add deprecation warning for false-negative TYPE_MISMATCH for KT-49404KT-55509Invisible fake overrides are listed among lazy IR class membersKT-55597K2.This type has a constructor, and thus must be initialized hereerror is missed for anonymous object inherits class with no-arg constructorKT-54357"ClassCastException: class org.jetbrains.kotlin.resolve.scopes.receivers.ExtensionReceiver cannot be cast to class org.jetbrains.kotlin.resolve.scopes.receivers.ContextClassReceiver" with anonymous object extending a class with a context receiverKT-51397"VerifyError: Bad type on operand stack" with context receiversKT-54905KLIB check on compiled with pre-release versionKT-55615K2 often does not expand type aliases in annotation positionKT-54522K2: ambiguity between operator candidates on += (plusAssign) to reassigned var of MutableList typeKT-54300K2: No "Projections are not allowed for immediate arguments of a supertype" for projection in supertypes of an anonymous objectKT-55495K2: support lateinit intrinsic applicability checkerKT-55494MPP. Error when building for native: Compilation failed: Global 'kclass:io.ktor.serialization.$deserializeCOROUTINE$0' already existsKT-54980K2: Explicit type arguments in calls with the wrong number of type arguments are not resolvedKT-54730K2: type aliases to generic functional interfaces attempt to re-infer explicitly specified type parametersKT-55611IC / MPP: Optional internal annotations are not visible on incremental buildsKT-55324K2: ControlFlowGraphBuilder fails with index out of bounds exceptionKT-55656K2: PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED being a warning causes a NPE in runtimeKT-51277"NoSuchElementException: Collection contains no element matching the predicate" with context receivers and star projectionKT-52791Class with multiple context receivers fails -Xvalidate-ir with "Validation failed in file"KT-55071Shared Native Compilation: Calls from intermediate common source set cannot use default parameters declared in expect common functionsKT-52193Native: Unable to call primary constructor with default values in an actual class without passing the values, in nativeMain source setKT-54573K2: untouched implicit types in delegated constructor call of data class with@JvmRecordKT-55037Support jspecify annotations moved to the new package org.jspecify.annotations in jspecify 0.3KT-48989JVM / IR: "IllegalStateException: Bad exception handler end" when first parameter of inline function is nullable with "try/catch/finally" default value and second parameter tries to call toString() on the firstKT-55231K2: Contract declarations are not passed to checkersKT-54411False positive: INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION on kotlinx.coroutines codeKT-55005Inconsistent behavior of array set operation in Kotlin 1.7.21KT-44625Property backing/delegate field annotations are not serialized/deserialized for non-JVM targetsKT-42490Receiver annotations are not serialized/deserialized for non-JVM targetsKT-53441K2: cannot access static method of package-private Java grandparent classKT-54197[K2] Exception from inliner for inline function with context receiverKT-55246Disable 'CustomEqualsInValueClasses' feature in 1.9 language versionKT-55247Disable 'InlineLateinit' feature in 1.9 language versionKT-53957K2 and -Xlambdas=indy: LambdaConversionException on reference to method with both context and extension receiversKT-55421K2: get rid of potentially redundant call of preCacheBuiltinClassMembers from getIrClassSymbolKT-52815Compiler option -Xjdk-release fails to compile mixed projectsKT-52236Different modality in psi and firKT-54921K2: cannot access static field of package-private Java parent classKT-53698K2: FIR2IR fails on call of inivisble extension function with SuppressKT-53920K2: "NoSuchElementException: Keyorg.jetbrains.kotlin.fir.resolve.dfa.cfg.ClassExitNode@ef115abis missing in the map" with unreachable code and anonymous objectKT-55358INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in return positions of functionsKT-51475"ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4" with context(Any) on inline function with contractKT-51951"IllegalStateException: No receiver" caused by implicit invoke on typealias context receiverKT-52373Context receivers: ClassCastException: function with dispatch, context, and extension receivers produces this when a parameter's default is includedKT-54220K2: compiler fails on compiling plus expression on unsigned intKT-54692K2: compiler fails on compiling unsigned shiftsKT-54824K2: missing smartcast after two levels of aliasing and a reassignmentKT-53368Out of bounds read in sse version of String::hashCodeKT-54978K2: Property accesses with explicit type arguments pass frontend checkersKT-51863ClassCastException when using context receivers with named argument.KT-55123JvmSerializableLambda is not applicable in common code in multiplatform projectsKT-45970Missing deprecation warnings for constant operators calls in property initializersKT-54851K2: analysis of as/is contains multiple errors that result in missing diagnosticsKT-54668K2: Inference error in body of lazy property with elvis with Nothing in RHSKT-55269FIR2IR: Static functions and nested classes are missing from Fir2IrLazyClassKT-55026K2: Function hides internal constructor from another moduleKT-53070Update intellij testdata fixes for FIR and merge it to masterKT-53492No parameter null check generated for constructor taking an inline class typeKT-50489Smart cast may lead to failing inferenceKT-55160Kotlin's fragment element types must not extendIStubFileElementTypeKT-55143K2: INAPPLICABLE_JVM_NAME in JVM does not work for inline classesKT-47933Report warning if kotlin.annotation.Repeatable is used together with java.lang.annotation.RepeatableKT-55035FIR: do not use FirValueParameter for FirFunctionalTypeRefKT-55095Wrong containingDeclarationSymbol in type parameter from EnhancementKT-53946K2: don't resolve Enum.declaringClass and Enum.getDeclaringClassKT-54673K2. "Superclass is not accessible" from interface error for sealed interfacesKT-55074OptIn false negative: constructor call with default argument valueKT-54260K2: "AssertionError: No modifier list, but modifier has been found by the analyzer" when annotated annotation and AllOpen pluginKT-55034FIR: provide information about containing function/constructor to FirValueParameterKT-54744K2: reassigning a var erases smartcast info of a variable derived from the old valueKT-53988K2: False negative "The expression cannot be a selector (occur after a dot)"KT-53983K2 crashes with NPE when 'this' is used inside enum class constructorKT-54910Can not declare typed equals operator in inline class with "Nothing" return typeKT-54909Usage of custom typed equals operator in generic inline class is type-unsafeKT-53371Properly resolve FIR to get fully resolved annotationsKT-53519FIR: argument mapping for annotations on value parameter is not properly builtKT-54827MPP: "java.lang.IndexOutOfBoundsException: Index: 0" during compilation ofandroidMaintargetKT-54417K2: move receiver-targeted annotations to KtReceiverParameterSymbol and remove it from FirProperty receiver typeKT-54972K2: Local functions with multiple type arguments are brokenKT-54762Private constructor is accessible from a public inline function via@PublishedAPIannotationKT-54832Deprecate incorrect callable references resolution behavior for KT-54316KT-54732DirectedGraphCondensationBuilder.paint fails with StackOverflowError during linkReleaseFrameworkIos64KT-54897K2: value class with private constructor stripped by jvm-abi-gen cannot be used in another moduleKT-54784NPE from IrSourceCompilerForInlineKt.nonLocalReturnLabel on non-local break and continue in anonymous initializers and in scriptsKT-54840Field for const property on interface companion object loses deprecated status when copied to interfaceKT-53825class files are generated when compilation fails with platform declaration clashKT-54526K2: Raw type scope is lost after exiting from elvisKT-54570K2: False-positive OVERLOAD_RESOLUTION_AMBIGUITY in case of combination of raw typesKT-52157Annotation on type parameter isn't present in the symbol loaded from the libraryKT-54318VerifyError on{ null }in catch blockKT-54654K2: Implicit types leaks into delegated memberKT-54645K2: Clash of two inherited classes with the same nameKT-53255[FIR2IR] StackOverflowError with long when-expression conditionsKT-48861No warning on incorrect usage of array type annotated as Nullable in JavaKT-54539@Deprecatedon members of private companion object is no longer neededKT-54403Unexpected behaviour on overridden typed equals in inline classKT-54536Unexpected result of comparison of inline class instancesKT-54603ClassCastException on comparison of inline classes with custom equalsKT-54401Unhandled exception on compilation inline class with 'equals' from 'Any' returning 'Nothing'KT-54378K2: smart cast breaks subtyping in case with complex projectionsKT-53761Reified type not propagated to supertype token through two inline functionsKT-53876Manually instantiated annotations with unsigned arrays are not equalKT-51740NO_VALUE_FOR_PARAMETER: Consider increasing error highlighting rangeKT-54084ClassCastException when trying to call a context receiver's methodKT-51282IllegalAccessError: Compiler for JVM 1.8+ makes lambdas access unaccessible classes when using@JvmMultifileClassesKT-53479False positive "Cannot access 'runCatching' before superclass constructor has been called"KT-50950JVM IR: "AssertionError: FUN SYNTHETIC_GENERATED_SAM_IMPLEMENTATION" when using bound reference to suspend SAM functionKT-49364"VerifyError: Bad type on operand stack" on cast which "can never succeed" from ULong to IntKT-51478Inapplicable receiver diagnostic expected when there are two context receiver candidatesDocs & Examples
KT-32469@Synchronizedon extension method doesn't generate instance lockIDE
New Features
KTIJ-24378Update Kotlin plugin to 1.8.0 in IDEA 223.2Performance Improvements
KT-55445KtUltraLightClassModifierList.hasModifierProperty requires resolve for PsiModifier.PRIVATEFixes
KTIJ-24657Disable pre-release and other metadata checks in IDEKT-55929Unresolved dependencies for intermediate multiplatform SourceSetsKTIJ-24179Bundle Kotlin 1.8.0 with Intellij IDEA 2022.3.2KTIJ-23547K2 IDE: Functional type: explicit parameter name VS ParameterName annotationKTIJ-23347K2 IDE. False positive "Symbol fun intFun(): Unit is invisible" in testsKT-55862Can't resolve kotlin-stdlib-js sources in IDEKTIJ-23587K2: SOE in delegate field resolutionKT-55782[SLC] Typealiases are not exapnded in arguments of annotationsKT-55778[SLC] Incorrect determination of useSitePostion for types of local declarationsKT-55780[SLC] No approximation of anonymous and local types in membersKT-55743K2 SLC: SymbolLightClassForClassOrObject must have a nameKT-55604Descriptor leakKT-55502SLC: drop redundant 'final' modifier from synthetic static enum membersKT-55497LC: drop@NotNullannotation from parameter from synthetic Enum.valueOfKT-55496SLC: generated synthetic enum methods by symbols instead of manual creationKT-55481SLC: implement correct java annotations for annotation classes (Retention, Target, etc.)KT-55470SLC: implement light class for RepeatableContainerKT-55442SLC: 'isInheritor' for 'DefaultImpls' should work correctlyKTIJ-23449K2: "parent must not be null" from SymbolLightClassBase.getContext()KT-40609IDE: False positive "Exception is never thrown..." in Java when Kotlin getter is annotated with ThrowsKT-54051Migrate symbol light classes from KtSymbol to KtElementIDE. Completion
KTIJ-22503Support code completion for data objectsKTIJ-22361ISE “java.lang.IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl ” on K2IDE. Debugger
KTIJ-24259Debugger is stuck in an infinite loop in an Android projectKTIJ-24003Smart step into doesn't work for Java synthetic properties referencesKTIJ-24039Support smart step into for property settersIDE. Decompiler, Indexing, Stubs
KTIJ-24351Kotlin Bytecode tool window: NullPointerException during inlining of inline function with object literalIDE. Gradle Integration
KTIJ-24616Gradle Integration: "NoSuchMethodError: 'java.util.Collection org.jetbrains.kotlin.idea.projectModel.KotlinCompilation.getDeclaredSourceSets" during sync fail after updating Kotlin IJ Plugin to 1.8.20-BetaKT-55347Broken IDE sync for js: java.lang.IllegalStateException: Accessing Compile Dependencies Transformations is not yet initialisedKTIJ-23781TCS: Gradle Sync: Support friend&dependsOn via IdeaKotlinSourceDependencyIDE. Gradle. Script
KT-56941Gradle KTS / Navigation: Go to declaration for Java types doesn't workIDE. Inspections and Intentions
KTIJ-23404K2 IDE. Platform type is inserted as type parameter for "Change return type" intentionKTIJ-24319"Set module version to *" quickfix isn't workingKTIJ-23225"Change package" intention unintentionally and intractably replaces text inside of critical strings and commentsKTIJ-23892UsePropertyAccessSyntaxInspection should also suggest replacing getter method references with method synthetic properties referencies after Kotlin 1.9KTIJ-22087Support IDE inspections for upcoming data objectsKTIJ-24286Constant conditions: false positive "Cast will always fail" with cast of java.lang.String to kotlin.StringKTIJ-23859ConvertObjectToDataObjectInspection support more hashCode and toString casesKTIJ-23760Get rid ofreadResolvelogic in ConvertObjectToDataObjectInspectionIDE. KDoc
KTIJ-24342KDoc: First line break character is swallowed when pastedIDE. Misc
KTIJ-24370Remove link to k2.xml from plugin.xml in kt-223 branchesKTIJ-24210Compatibility issue with the CUBA pluginIDE. Multiplatform
KTIJ-21205MPP: Kotlin not configured error is shown for K/N sources if Android target is presentedKT-52172Multiplatform: Support composite buildsKT-56198Multiplatform;Composite Builds: import fails if single jvm target multiplatform project consume included jvm buildKTIJ-24147MPP: NullPointerException: versionString must not be nullIDE. Refactorings. Move
KTIJ-24243Move declarations: "Search in comments and strings" and "Search for text occurrences" options are always enabled when files are movedIDE. Script
KT-56632Script configuration cannot be loaded for embedded code snippetsIDE. Wizards
KTIJ-24562Android target created by wizard contains AGP higher than supportedKTIJ-24402Changes "Browser Application for Kotlin/Wasm" wizard templateKTIJ-23525Wizard: Compose multiplatform: project won't build and require higher compileSdkVersionJavaScript
New Features
KT-54118Kotlin/JS IR: keep declarations with non-minified namesKT-35655Investigate could we use "names" field in SourceMaps to improve debug experienceFixes
KT-55971KJS: Result of suspend function cannot be assigned to property of dynamic valueKT-52374KJS / IR: caling suspend function as dynamic ignores the rest of the expressionKT-56884KJS: "Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier." caused by enum and array inside the companion objectKT-51122Provide fully-qualified method name in Kotlin/JS source mapsKT-56602KJS / Serialization: polymorphicDefaultDeserializer unbound on Kotlin 1.8.20-BetaKT-56580KJS: languageVersionSettings string is unstableKT-56581KJS: Lock file for incremental cacheKT-56582KJS: Function type interface reflection crashes the compiler in incremental buildKT-55720KJS:ReferenceError: SuspendFunction1 is not definedwith 1.8 when importingkotlin.coroutines.SuspendFunction1KT-56469KJS: BE Incremental rebuild spoils source map commentKT-55930KJS: A recursive callable reference of the inline function leads broken cross module referencesKT-31888Kotlin/JS: make possible to callmain()in main run tasks, but not in test tasksKT-51581FIR: support JS backendKT-55786KJS: Rewriting of secondary constructors if they are protectedKT-52563KJS / IR: Invalid TypeScript generated for class extending base class with private constructorKT-55367KJS / IR + IC: Moving an external declaration between different JsModules() doesn't rebuild the JS codeKT-55240KJS: "NoSuchElementException: No element of given type found" caused by@JsExportandThrowable'schild classKT-54398KJS / IR + IC: Support *.d.ts generationKT-55144KJS / IR + IC: Modifying an inline function which is used as a default param in another inline function doesn't invalidate a callerKT-54134KJS / IR: "TypeError: Cannot read properties of undefined" in js block wrapped with suspend functions aroundKT-54911KJS / IR + IC: invalidate all klib dependencies after removing itKT-54912KJS / IR + IC: Commit cache header only in the end (after lowering)KT-52677Native: StackOverFlow during "kotlin.ir.util.RenderIrElementVisitor$renderTypeAnnotations$1.invoke"KT-54480KJS: "Exported declaration contains non-consumable identifier" warning when exporting modules as defaultKT-41294KJS: Weird behaviour of j2v8 in test infraKT-54173Kotlin/JS + IR: failed to providekeepsetting to avoid DCE remove of default interface function from implementing objectLanguage Design
KT-55451Preview of lifting restriction on secondary constructor bodies for value classesKT-54621Preview of Enum.entries: modern and performant replacement for Enum.values()KT-54525Preview of Java synthetic property referencesKT-55337Preview of data objectsKT-55344Deprecate@Synchronizedin platforms except JVMLibraries
KT-35508EXC_BAD_ACCESS(code=2, address=0x16d8dbff0) crashes on iOS when using a sequence (from map() etc.)KT-56794Libraries: "Recursively copying a directory into its subdirectory is prohibited" Path.copyToRecursively fails on copying from one ZipFileSystem to another ZipFileSystemKT-55935[Kotlin/JVM] Path.copyToRecursively does not work across file systemsKT-55978Provide Common Base64 encoding in stdlibKT-46211[Kotlin/Native] Stack overflow crash in Regex classes with simple pattern and very large inputKT-31066Add Closeable & use to common stdlibKT-55609Introduce experimental kotlin.concurrent.Volatile annotationKT-39789Segfault in Kotlin/Native regex interpreterKT-53310Native: HashMap/HashSet doesn't reclaim storage after removing elementsNative
KT-56443Native link task reports w: Cached libraries will not be used for optimized compilationKT-55938[Kotlin/Native] Inline functions accessing ObjC class companion cause compiler to crash when building static caches in 1.8.20 dev buildNative. C and ObjC Import
KT-55303Objective-C import: improve-fmodulesflag discoverability.KT-39120Cinterop tool doesn't support the -fmodules compiler argumentKT-40426Incorrect Objective-C extensions importing that prevents UIKit usageKT-55653Since Kotlin 1.8.0 NSView.resetCursorRects doesn't exist anymore and cannot override itKT-54284Kotlin/Native: cinterop produces non-deterministic metadataNative. ObjC Export
KT-56350Kotlin/Native: restore "use Foundation" in generated Objective-C frameworksKT-55736Native: exporting suspend function from a cached dependency to Objective-C crashes with "Suspend functions should be lowered out at this point"KT-53638Native: support disabling mangling globally for Swift names in generated Objective-C headerKT-53069SOE on K/N framework build for Arm64KT-53317ObjCName annotation is not applied to an extension receiver in Objective-C exportNative. Stdlib
KT-53064Native: provide stdlib API to obtain memory management statisticsReflection
KT-27585Flaky IllegalPropertyDelegateAccessException: Cannot obtain the delegate of a non-accessible property. Use "isAccessible = true" to make the property accessibleKT-55178Improve performance of KCallable.callByKT-53279Reflection: "KotlinReflectionInternalError: Method is not supported" caused by@Repeatableannotation deserialization at runtime if it's repeated and contains arraysKT-44977Reflection: ClassCastException caused by annotations with "AnnotationTarget.TYPE" usage on array attributes accessTools. CLI
KT-570771.8.20-RC-243shows Java 19 warnings even if configured with Java 17 toolchainKT-56992Performance test regression in Gradle when switching to Kotlin 1.8.20KT-56789Metaspace memory leak in CoreJrtFileSystemKT-56925Remove warning about assignment pluginKT-54652Enable -Xuse-fir-lt by default when -Xuse-k2 is turned on, provide way to disableKT-55784Unable to format compilation errors with ansi colors in compilation serverKT-54718K2: Compiler crashes with "IllegalArgumentException: newPosition > limit"KT-54337CLI: compiling module-info.java without explicitly specified JDK home leads to a weird errorTools. Commonizer
KT-47429[Commonizer] OKIO supportKT-51517C Interop Commonizer Fails On Classifier That Doesn't ExistTools. Compiler Plugins
Fixes
KT-53590K2 Allopen does not look for transitive meta-annotationsKT-56487Add more methods to DescriptorSerializerPluginKT-54020[K2] [NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER] error in case 'static Name' param was added to@AllArgsConstructorannotation and an empty list is set as a constructor param valueKT-53096Create a pack of compiler utilities for generating declarations from pluginsKT-55248K2/PluginAPI: getCallableNamesForClass/generateClassLikeDeclaration are not called for synthetic companions of local classesKT-54756Deprecate "legacy" mode of jvm-abi-gen pluginKT-55233jvm-abi-gen strips out InnerClass attributesKT-54994K2 plugin API: Compile-time constants are not evaluated before IRKT-55023K2 plugin API: Compilation with Kotlin daemon fails after certain number of triesKT-55286K2: Parcelize plugin sometimes can't find nested objects in current classKT-54500Private type aliases can be referenced from public declarations, but are stripped by jvm-abi-genTools. Compiler plugins. Serialization
KT-56738Unexpected SERIALIZER_NOT_FOUND when compiling against binary with enumKT-56990"AssertionError: SyntheticAccessorLowering should not attempt to modify other files" in kotlinx-serialization using@Serializerand List argumentKT-54441Prohibit implicit serializer customization via companion objectKT-49983Implement prototype of kotlinx.serialization for K2 compilerKT-48733"AssertionError: Unexpected IR element found during code generation" caused by Serialization and annotation with default parameterKT-54297Regression in serializable classes with star projectionsTools. Gradle
New Features
KT-54691Kotlin Gradle Plugin libraries alignment platformKT-54492Send gradle build errors from ideaKT-55540Add compilation speed metric in build reportsKT-55541Validate FUS metrics values on Gradle sidePerformance Improvements
KT-54836Kotlin/JVM Gradle plugin creates task eagerly on Gradle 7.3+KT-55995Add ability to perform precise compilation task outputs backupKT-54579Kapt tasks slow down significantly on Windows when running with JDK 17 compared to JDK 11KT-54588KotlinCompile: Avoid callingFileCollection.getFiles()multiple timesFixes
KT-57296Build statistics sending errors in case of buildSrc directory usage with kotlin-dsl plugin appliedKT-56645Gradle: KGP reports an incorrect resources processing task name for JVM projectsKT-55824DeprecatecommonMain.dependsOn(anything)in user scriptsKT-56221Gradle KTS: False positiveVal cannot be reassignedwhen using an extension and its property with an implicitsetoperatorKT-55452Values of the compiler arguments set via KotlinCompile task configuration are duplicated by the KaptGenerateStubs taskKT-55565Consider de-duping or blocking standard addition of freeCompilerArgs to KaptGenerateStubsTaskKT-55632'The configuration :kotlinCompilerClasspath is both consumable and declarable' messages are displayed in logs for different types of projects for KotlinCompile task with gradle 8KT-56414Dependency locking and failed builds with Kotlin 1.8.10KT-52625Compatibility with Gradle 7.4 releaseKT-55544Gradle: add more debugging information for finding usages of kotlinOptions.freeCompilerArgsKT-52149Gradle: declare shared build services usages withTask#usesServiceKT-55323Gradle: allow to opt-out of reporting compiler arguments to a http statistics serviceKT-53811Compatibility with Gradle 7.6 releaseKT-52998Compatibility with Gradle 7.5 releaseKT-55741Gradle 8: Build service '' is being used by task '' without the corresponding declaration via 'Task#usesService'.KT-55174KotlinCompile task produces deprecation "Build service 'variant_impl_factories_...' is being used by task"KT-54425Kotlin Gradle Plugin should not use deprecated UsageContext#getUsage()KT-54998"kotlin.gradle.performance" FUS collector reports data twiceKT-55520Add required configuration for Kotlin Gradle Plugin API reference publicationKT-52963Build report code breaks Gradle project isolation.KT-55164KGP: "Cannot access project ':' from project ':list'" JVM - Project Isolation with Multi Modules and Configuration Cache failsKT-52490Gradle: [org.jetbrains.kotlin.gradle.testing.internal] TestReport.destinationDir and TestReport.reportOn deprecation warningsKT-55000Include information about the new IC into "kotlin.gradle.performance" FUS collectorKT-54941Gradle, Daemon, MacOS M1: "Native integration is not available for Mac OS X aarch64" on first buildKT-45748Migrate all Kotlin Gradle plugin Android tests to new test setupKT-54029Validate Binary Compatibility for kotlin-gradle-plugin-apiTools. Gradle. Cocoapods
KT-41830CocoaPods integration: Support link-only mode for podsKT-55117PodGenTask doesn't declare ouputs properlyKT-55243Gradle 7.6: Cocoapods plugin generates invalid podspec when applied in root projectKT-56304Podspec generated with new K/N artifact DSL contains wrong artifact names for static and dynamic librariesKT-56298Assemble tasks for native binaries fail if more than one kotlin artifact is declared in one gradle projectKT-55801Deprecate useLibrariesKT-55790Improper sdk selected for watchosDeviceArm64 targetTools. Gradle. JS
New Features
KT-25878Provide Option to Define Scoped NPM PackageKT-37759[Gradle, JS] Support arguments of command line for webpack and nodejs taskKT-33518Allow specifying command line args for node in nodejs or mocha testsKT-46163KJS / Ktor: Support run on the next free port if default one is occupiedPerformance Improvements
KT-55476KotlinWebpack should be cacheableKT-39108Kotlin multiplatform plugin targeting js takes too long compared to the old kotlin-frontend pluginKT-45411Investigate memory consumption in npm packageKT-51376KJS / Gradle: Dukat tasks make impact on build time even if there's no npm dependenciesFixes
KT-57285KJS / Gradle / MPP: FileNotFoundException on publishing empty KJS sourcesetKT-57068KJS / Gradle: "Unable to find method 'kotlin.gradle.targets.js.dsl.KotlinJsBrowserDsl.testTask'" after updating to 1.8.20-BetaKT-54445KJS Remove dukat integrationKT-56999K/JS: KotlinJsIrLink::rootCacheDirectory property must be publicKT-56765K/JS: Several binaries use same cache directoryKT-54529KJS / IR: generate typescript definitions only on explicit Gradle actionKT-56488Debugger won't stop on breakpoints of JS browser testKT-56719KJS / Gradle: Compile sync task has to sync only changed filesKT-56131KJS / Gradle: Could not create an instance of type org.jetbrains.kotlin.gradle.targets.js.subtargets.KotlinNodeJs when task configuration avoidance is brokenKT-37668Kotlin/JS: nodeTest failure due to main() function fail is reported as "BUILD SUCCESSFUL"KT-35285Kotlin/JS + Gradle: browserDevelopementWebpack and browserProductionWebpack could write to different locationsKT-55593KotlinJsCompilerType and KotlinJsCompilerTypeHolder LEGACY and BOTH constants should be marked as@Deprecatedin 1.8KT-33291JS: No build result with gradle parallel build in multiproject buildKT-40925KJS: need a way to configure extra environment variables for the test taskKT-47236KJS:kotlinNpmInstallfails if no yarn is downloadedKT-53288KJS / Gradle: FileNotFoundException when customising moduleNameKT-54511Kotlin/JS generated package.json main field is not correctly set if module name contains a/(slash)KT-54421KJS / Legacy: Kotlin 1.7.20 fails when running tests on Node 14KT-54503Make the target observer API public in kotlin JS ExtensionKT-54418KJS: Change test running with kotlin-test adapterKT-54132KJS IR: Sometimes karma failed on teamcity because of uninitialized browserTools. Gradle. Multiplatform
New Features
KT-54766TCS: external Android Target APIs: Milestone: CompileKT-50967Make c-interop libs resolve robust to build cleanKT-53570multiplatform 'natural hierarchy' prototypeFixes
KT-36943Gradle Plugin (multiplatform) - Consider publishing a 'sourcesElements' variant for the sources.jarKT-57460Kotlin Gradle Plugin: Nullthispointer in transformCommonMainDependenciesMetadataKT-57306[Kotlin 1.8.20-RC] GradleException: Could not load the value of fieldapiConfigurationoforg.jetbrains.kotlin.gradle.plugin.mpp.compilationImpl.DefaultKotlinCompilationConfigurationsContainerKTIJ-23750KotlinMppModelSerializationService is not invoked in production environmentKTIJ-24223Update latest tested KGP version to 1.9.0-dev-764KT-56536Multiplatform: Composite build fails on included build with rootProject.name != buildIdentifier.nameKTIJ-23889TCS: Gradle Sync: Match sources.jar dependencies to sourceSetName scoped dependenciesKT-56729commonizeCInterop: Duplicated libraries: co.touchlab:sqliter-driver-cinterop-sqlite3KT-56510Import with included plugin build may fail with OverlappingFileLockException during commonizeNativeDistributionKT-54180TCS: Initial external Android Target APIsKT-55010TCS: External Android Target Prototype: Setup Android dependenciesKT-54783KotlinJvmWithJavaCompilation mututal .all listener loop creates two compilationsKT-54867KotlinWithJavaCompilation does not respect javaSourceSet classpathsKT-52413MPP: Gradle dependency substitution breaks KMP import for native targetsKT-56115Multiplatform;Composite Builds: Support import with cinterop commonization enabledKT-54312TCS: Replace CompilationDetails abstract class hierarchy by composable implementationKT-47441MPP: Unresolved reference for dependent on the other module with dependencySubstitutionKT-56429Fix flaky: MppIdeDependencyResolutionIT.test cinterops - are stored in root gradle folderKT-56337Unable to import a project with cinterop with enableKgpDependencyResolutionKT-55873Unrequested dependencies leaking into common source sets: Regression after703fd0fKT-55891Deprecate pre-HMPP flagsKT-56278TCS: Gradle Sync: [MISSING_DEPENDENCY_CLASS] on libraries used in shared native source setsKT-56143CInteropDependencyConfiguration and CInteropApiElementsConfiguration are missing attributes defined on targetKT-56285TCS: Gradle Sync: IdeProjectToProjectCInteropDependencyResolver: Ensure lenient resolutionKT-56204KotlinTargetHierarchy: Changing naming from 'any' to 'with' prefixKT-56111Multiplatform;Composite Builds: Clean builds fail on when 'hostSpecificMetadata' is requiredKT-54974TCS: Gradle Sync: Implement IdeKotlinDependencyResolversKT-38712Gradle configuration's name with word "implementation" is camelcased to "İmplementation" if default locale is TurkishKT-54975TCS: Gradle Sync: Implement stdlib-common filter for platform source setsKT-48839Sources.jar of the root artifact of MPP library includes source files from test sourcesetsKT-55492TCS: Gradle Sync: Sources and Documentation as extra 'classpath'KT-55237TCS: Gradle Sync: Support stdlib-native sourcesKT-55475TCS: Gradle Sync: Fine tune jvmAndAndroid source setsKT-55189TCS: Gradle Sync: Support icons (native, js) and global librariesKT-55218KotlinTargetHierarchy: Disambiguate declaring targets vs including targetsKT-55112TCS: Gradle Sync: Resolve Source DependenciesKT-54977TCS: Gradle Sync: Implement debugging toolsKT-54948TCS: Gradle Sync: Port IdeaKpmPlatformDependencyResolver to TCSKT-55289TCS: Gradle Sync: Prototypical sources jar resolutionKT-55238TCS: Gradle Sync: Support commonized native distributionKT-55230Remove metadata dependencies transformation for runtimeOnly scopeKT-53338Prettify the message about incompatible AGP and KGP versionsKT-55134MPP / Gradle: Cannot read test tasks stateKT-54506Test tasks are considered up-to-date after a failure when triggered byallTestsKTIJ-23509Update latest tested KGP version to 1.8.20-dev-1815KT-54787Test tasks are not up-to-date when an individual test task called after aggregating test taskKT-54033Multiplatform/Android Source Set Layout 1: Also support setting source dirs using AGP ApisKT-54202CInterop Commonization fails on first run when native distribution is not yet commoniziedKT-54135Add documentation with examples to CompositeMetadataArtifactTools. Gradle. Native
KT-37051MPP Gradle plugin: duplicated cinterop libraries in composite buildKT-55650Pass through errors from Gradle to XcodeKT-56205Shared Native Compilation: False positive 'w: Could not find' warnings on metadata klibsKT-54969Support podspec generation for the new K/N artifact DSLTools. Incremental Compile
KT-55021New IC: "The following LookupSymbols are not yet converted to programSymbols" when removing/renaming file facadesKTIJ-21161Incremental build is taking too long when no files have changed in the projectKT-53832Enable new incremental compilation by default in GradleKT-55622MPP: Incremental compilation ignores changes in source set structureKT-55309IC: Get rid ofNonCachingLazyStorageKT-53402Incremental compilation tries to compile resourcesKT-54791Incremental compilation in JPS broken in 1.8.20-dev-1815Tools. JPS
KT-56165Language version 1.9 and 2.0 is absent in Kotlin Compiler settingsKT-51536[JPS] Recompile module on facet settings changeKT-53735JPS / IC: "IOException: The system cannot find the file specified" on WindowsKT-47983[JPS] Adding compilerSettings to Facet should initiate rebuild of moduleKT-54449Cyrillic characters in a filename break builds on linuxTools. Kapt
New Features
KT-53135Enable JVM IR for KAPT stub generation by defaultKT-41129kotlin-maven-plugin + kapt - allow aptMode to be set according to docsFixes
KT-56635KAPT / IR: "Unresolved reference: DaggerGeneratedCodeTest_AppComponent " caused by stub generation with Kotlin 1.8.20-BetaKT-56360Kapt with JVM IR changes fields orderKT-54380Kapt / IR: Build failed when inheritance by functional interface with suspend modifierKT-54245JVM IR / Kapt / Serialization: NullPointerException in SerializableIrGenerator.ktKT-33847Kapt does not included Filer-generated class files on compilation classpathKT-55490Kapt + JVM IR: "annotation@Foois missing default values"KT-43786KAPT: IllegalStateException: SimpleTypeImpl should not be created for error type: ErrorScopeKT-43117Kapt: "System is already defined in this compilation unit"KT-46966Kapt: correctErrorTypes: receiver type is NonExistentClassKT-46965Kapt: correctErrorTypes: custom setter gets Object parameter typeKT-51087KAPT:@JvmRepeatableannotations are present in inverse order in KAPT stubsKT-54870KAPT stub generation with JVM_IR backend throws exception for delegated propertiesKT-44350Kapt Gradle integration tests failing with Android Gradle plugin 7.0KT-54030Kapt: annotation processor warnings are displayed as errors on JDK 17+KT-32596kapt replaces class generated by annotation processor with error.NonExistentClass when the class is used as an annotationKT-37586KAPT: When delegated property use an unknown type (to-be-generated class),correctTypeErrorwill mess up the$delegatefield typeTools. Maven
KT-56697IC: "Incremental compilation was attempted but failed" Failed to get changed files: java.io.IOException: readPrevChunkAddressKT-55709Maven: "java.lang.reflect.InaccessibleObjectException: Unable to make field protected java.io.OutputStream java.io.FilterOutputStream.out accessible"KT-29346Add components.xml to automatically compile kotlin maven projectsKT-13995Maven: Kotlin compiler plugin should respect model's compile source rootsKT-54822Maven: Too low-level error message "Parameter specified as non-null is null: method kotlin.text.StringsKt__StringsJVMKt.startsWith, parameter " from Kotlin Maven plugin invoking compiler when tags are emptyKT-47110Disable jdk8-specific warnings in kotlin-maven-pluginTools. Scripts
KT-54095It is difficult (if not impossible) to use kotlin compiler plugins with scriptingKT-54461Warnings and stack traces when executing scripts via kotlin-maven-pluginKT-54733Scripts: ConcurrentModificationException in *.main.kts scriptsKT-53283Scripts: main-kts JAR does not relocate embedded SLF4J and jsoup librariesChecksums
v1.8.10: Kotlin 1.8.10Changelog
Compiler
KT-55483K2: Fir is not initialized for FirRegularClassSymbol java/lang/invoke/LambdaMetafactoryKT-55729"None of the following functions can be called with the arguments supplied:" in 1.8.0KT-55769"ERROR: Could not find accessor": Android DataBinding fails with Kotlin 1.8.0KT-55308InnerClass attributes should be sorted (innermost last)JavaScript
KT-56282KJS: Invalidate incremental cache in case of compiler internal errorsKT-55852JS: "IllegalStateException: Unexpected ir type argument" caused by List with star projection typeKT-55716KJS / IC: "Cannot read properties of undefined" with overriding variables with 1.8.0KT-55758KJS / IR: Checking implemented interface on a class implementing a @JsExport interface returns the wrong resultReflection
KT-56093Metaspace leak in a Gradle plugin built with Kotlin 1.8.0Tools. Compiler plugins. Serialization
KT-56347[Kotlin 1.8] Regression kotlinx.serialization compiler plugin internal errorKT-55681Serialization: NullPointerException after update to 1.8.0 caused by@Serializer(forClass= ..)KT-56244kotlinx.serialization compiler intrinsic does not work with encodeToString function in 1.8.0KT-55683Serialization: "IllegalStateException: Expected to have a primary constructor" with expect class and companion objectKT-55682Serialization: "IllegalStateException: Function has no body: FUN name:serializer" with 1.8.0Tools. Gradle
KT-55697KGP 1.8.0 adds compileOnly dependencies to unit test compile classpathTools. Gradle. Multiplatform
KT-55730MPP / Gradle: compileKotlinMetadata fails to resolve symbols in additional source setsTools. Gradle. Native
KT-56280Gradle: freeCompilerArgs are no longer propagated from compilations to Native binariesTools. Kapt
KT-48013Kapt generates illegal stubs for private interface methodsChecksums
v1.8.0: Kotlin 1.8.0Changelog
Analysis API
KT-50255Analysis API: Implement standalone mode for the Analysis APIAnalysis API. FIR
KT-54292Symbol Light classes: implement PsiVariable.computeConstantValue for light fieldKT-54293Analysis API: fix constructor symbol creation when its accessed via type aliasAndroid
KT-53342TCS: New AndroidSourceSet layout for multiplatformKT-53013Increase AGP compile version in KGP to 4.1.3KT-54013Report error when using deprecated Kotlin Android Extensions compiler pluginKT-53709MPP, Android SSL2: Conflicting warnings forandroidTest/kotlinsource set folderBackend. Native. Debug
KT-53561Invalid LLVM module: "inlinable function call in a function with debug info must have a !dbg location"Compiler
New Features
KT-52817Add@JvmSerializableLambdaannotation to keep old behavior of non-invokedynamic lambdasKT-54460Implementation of non-local break and continueKT-53916Support Xcode 14 and new Objective-C frameworks in Kotlin/Native compilerKT-32208Generate method annotations into bytecode for suspend lambdas (on invokeSuspend)KT-53438Introduce a way to get SourceDebugExtension attribute value via JVMTI for profiler and coveragePerformance Improvements
KT-53347Get rid of excess allocations in parserKT-53689JVM: Optimize equality on class literalsKT-53119Improve String Concatenation LoweringFixes
KT-53465Unnecessary checkcast to array of reified type is not optimized since Kotlin 1.6.20KT-49658NI: False negative TYPE_MISMATCH on nullable type withwhenKT-48162NON_VARARG_SPREAD isn't reported on *toTypedArray() callKT-43493NI: False negative: no compilation error "Operator '==' cannot be applied to 'Long' and 'Int'" is reported in builder inference lambdasKT-54393Change in behavior from 1.7.10 to 1.7.20 for java field override.KT-55357IllegalStateException when reading a class that delegates to a Java class with a definitely-not-null type with a flexible upper boundKT-55068Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backendKT-51284SAM conversion doesn't work if method has context receiversKT-48532Remove old JVM backendKT-55065Kotlin Gradle DSL: Reflection cannot find class data for lambda, produced by JVM IR backendKT-53270K1: implement synthetic Enum.entries propertyKT-52823Cannot access class Thread.State after upgrading to 1.7 from 1.6.1 using -Xjdk-release=1.8KT-55108IR interpreter: Error occurred while optimizing an expression: VARARGKT-53547Missing fun IrBuilderWithScope.irFunctionReferenceKT-54884"StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constantKT-47475"IncompatibleClassChangeError: disagree on InnerClasses attribute": cross-module inlined WhenMappings has mismatched InnerClassesKT-55013State checker use-after-free with XCode 14.1KT-54802"VerifyError: Bad type on operand stack" for inline functions on arraysKT-54707"VerifyError: Bad type on operand stack" in inline call chain on a nullable array valueKT-48678Coroutine debugger: disable "was optimised out" compiler featureKT-54745Restore KtToken constructors without tokenId parameter to preserve back compatibilityKT-54650Binary incompatible ABI change in Kotlin 1.7.20KT-52786Frontend / K2: IndexOutOfBoundsException when opting in to K2KT-54004Builder type inference does not work correctly with variable assignment and breaks run-timeKT-54581JVM: "VerifyError: Bad type on operand stack" with generic inline function andwheninside try-catch blockKT-53794IAE "Unknown visibility: protected/protected and package/" on callable reference to protected member of Java superclassKT-54600NPE on passing nullable Kotlin lambda as Java's generic SAM interface withsupertype boundKT-54463Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegateKT-54509Ir Interpreter: unable to evaluate string concatenation with "this" as argumentKT-54615JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expressionKT-53146JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtimeKT-53712Add mode to prevent generating JVM 1.8+ annotation targets (TYPE_USE, TYPE_PARAMETER)KT-54366K2: no JVM BE specific diagnostics (in particular CONFLICTING_JVM_DECLARATIONS) in 1.8KT-35187NullPointerException on compiling suspend inline fun with typealias to suspend function typeKT-54275K2: "IllegalArgumentException: KtParameter is not a subtype of class KtAnnotationEntry for factory REPEATED_ANNOTATION"KT-53656"IllegalStateException: typeParameters == null for SimpleFunctionDescriptorImpl" with recursive generic type parametersKT-46727Report warning on contravariant usages of star projected argument from JavaKT-53197K2: 'init' hides member of supertype 'UIComponent' and needs 'override' modifierKT-53867K2:@JvmRecorddoes not compile to a java recordKT-53964K2 is unable to work with Java recordsKT-53349K2: TYPE_MISMATCH caused by non-local returnKT-54100"Type variable TypeVariable(P) should not be fixed" crash in code with errorsKT-54212K2: cannot calculate implicit property typeKT-53699K2: Exception during IR lowering in code with coroutinesKT-54192Warn about unsupported feature on generic inline class parametersKT-53723Friend modules aren't getting passed to cache build during box testsKT-53873K2: Duplicated diagnostics reported from user type ref checkersKT-50909"VerifyError: Bad type on operand stack" caused by smartcasting for nullable inline class property in classKT-54115Restore Psi2IrTranslator constructor from 1.7.20KT-53908K2: Self-referencing generics in Java class causes New Inference Error (IE: class Foo<T extends Foo>)KT-53193K2: compile error on project that compiles fine with normal 1.7.10KT-54062K2 Invalid serialization for type-aliased suspend function type with extension receiverKT-53953Forbid usages of super or super if in fact it accesses an abstract memberKT-47473NI: Missed UPPER_BOUND_VIOLATED diagnostics if use type aliases with type parametersKT-54049K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTEDKT-30054Wrong approximation if nullable anonymous object with implemented interface is usedKT-53751Postpone IgnoreNullabilityForErasedValueParameters featureKT-53324Implement Enum.entries lowering on K/NKT-44441K2: report redeclaration error if there is a Java class with the same name as the Kotlin classKT-53807No warning about declaringClass on an enum valueKT-53493K2:val on function parametercounts as just warningKT-53435K2: "IllegalArgumentException: class KtValueArgument is not a subtype of class KtExpression for factory ANNOTATION_ARGUMENT_MUST_BE_CONST" if string in nested annotation is concatenatedKT-52927AssertionError: LambdaKotlinCallArgumentImplKT-53922Make Enum.entries unstable feature to poison binariesKT-53783Exception during psi2ir when declaring expect data objectKT-53622[OVERLOAD_RESOLUTION_AMBIGUITY] when enum entry called 'entries' is present in K2KT-41670JVM IR: AbstractMethodError when using inheritance for fun interfacesKT-53178K2: implement diagnostics for serialization pluginKT-53804Restore old and incorrect logic of generating InnerClasses attributes for kotlin-stdlibKT-52970Default value constant in companion object works on JVM and JS, but fails on nativeKT-51114FIR: Support DNN checksKT-27936Write InnerClasses attribute for all class names used in a class fileKT-53719Parsing regression on function call with type arguments and labeled lambdaKT-53261Evaluate effect from inline for primitive typesKT-53706K2: Context receivers are not resolved on properties during type resolution stageKT-39492Kotlin.Metadata's packageName field cannot be an empty stringKT-53664Ir Interpreter: unable to evaluate name of function reference marked with JvmStatic from another moduleKT-52478[Native] Partial linkage: Building native binary from cached KLIBs fails if one library depends on removed nested callable member from another oneKT-48822CompilationException: Back-end (JVM) Internal error: Failed to generate expression: KtProperty - ConcurrentModificationExceptionKT-50281IllegalStateException: unsupported call of reified inlined functionKT-50083Different error messages in android and JVM (Intrinsics.checkNotNullParameter).KT-53236Support Enum.entries codegen on JVM/IR BEKT-41017FIR: should we support smartcast after null checkKT-53202"ISE: Descriptor can be left only if it is last" after direct invoke optimization on a capturing lambdaKT-46969@BuilderInferencewith nested DSL scopes cause false-positive scope violation in Kotlin 1.5KT-53257FIR: Improper context receiver argument is chosen when there are two extension receiver candidatesKT-53090Anonymous function and extension function literals are generated as classes even with -Xlambdas=indyKT-53208K2: Cannot get annotation for default interface method parameter when compiled with-Xuse-k2KT-53184K2: NoSuchMethodError on KProperty1.get() referenced via nullable typealiasKT-53198K2: Return type mismatch: expected kotlin/Unit, actual kotlin/Unit?KT-53100Optimization needed: (CONSTANT_PRIMITIVE(x: T?)) => xKT-49875[FIR] Support infering PRIVATE_TO_THIS visibilityKT-53024Refactor FIR renderer to composable architectureKT-50995[FIR] Support SAM with receiver pluginKT-53148K1: introduce warning for inline virtual member in enumKT-49847Devirtualization fails to eliminate boxing in function reference contextKT-52875Extension function literal creation with-Xlambdas=indyfails with incorrect argumentsKT-53072INVALID_IF_AS_EXPRESSION error isn't shown in the IDE (LV 1.8)KT-52985Native: a function with typeT?returned akotlin.Unitinstead ofnullKT-52020FIR warning message includes internal renderingKT-48778-Xtype-enhancement-improvements-strict-mode not respecting@NonNullannotation for property accesses?IDE
Fixes
KTIJ-22357CCE “class org.jetbrains.kotlin.fir.types.impl.FirImplicitTypeRefImpl cannot be cast to class org.jetbrains.kotlin.fir.types.FirResolvedTypeRef” in K2KT-55150Argument for@NotNullparameter 'scope' of org/jetbrains/kotlin/resolve/AnnotationResolverImpl.resolveAnnotationType must not be nullKTIJ-22165IDE notification to promote users to migrate to the new Kotlin/JS toolchainKTIJ-22166IDE notification (or something else) about JPS and Maven support for Kotlin/JS is deprecatedKT-53543Rework light classes for file facadeKT-48773Investigate the possibility of removing dependency on old JVM backend in light classesKTIJ-19699IDE: False positive type mismatch in Java code for Kotlin nested class non-direct inheritor from external libraryKT-51101FIR IDE: Exception on "Show Type Info" actionKTIJ-22295MPP, IDE: False positive UPPER_BOUND_VIOLATED when JVM module implements the generic interface from MPP module and the type parameter is not equal to itself.KT-51656FIR IDE: ProgressCancelled exception is masked in the compiler during resolveKT-51315FIR IDE: move out base modules from fe10 plugin to reuse in k2 pluginKTIJ-22323K2: ISE during resolve of stdlib calls from the stdlibKTIJ-21391Generate -> Override methods : don't delegate to abstract methodsKT-53097Extract common part of light classes to another moduleKTIJ-22354FIR LC: annotation owner is always nullKTIJ-22157Kotlin call resolver leaks user code when reporting exceptionIDE. Completion
KTIJ-22552Kotlin: 'for loop' postfix completion doesn't work - "Fe10SuggestVariableNameMacro must be not requested from main classloader"KTIJ-22503Support code completion for data objectsIDE. Debugger
KT-51755Compilation exception with scripting compilation during debug sessionKTIJ-21963Debugger / IR: Expression evaluation of the debugger doesn't workIDE. Decompiler, Indexing, Stubs
KTIJ-22750Initialize Kotlin stub element types lazilyKTIJ-18094IDE: "AssertionError: Stub count doesn't match stubbed node length" with minified Android AAR libraryKTIJ-17632IndexOutOfBoundsException: Cannot decompile a class located in minified AARIDE. Gradle Integration
KT-48135In the IDE import, reuse dependency granular source set KLIBs across multi-project build to avoid duplicate external librariesKTIJ-22345False positive unresolved reference for members of subclasses of expect classes.KT-53514HMPP: False positive forNone of the following functions can be called with the arguments supplied.with Enum in common moduleKT-51583Gradle 7.4+ | SamplesVariantRule interference: Could not resolve all files for configuration ':kotlinKlibCommonizerClasspath'KTIJ-21077Dependency matrix does not work with Jetpack compose / multiplatform projectsIDE. Inspections and Intentions
KTIJ-19531Adapt changes about new rules for method implementation requirementsKTIJ-22087Support IDE inspections for upcoming data objectsKTIJ-20510Quick fix to implement and call correct super method in case of inheritance with defaultsKTIJ-20170Provide quickfix for deprecated resolution to private constructor of sealed classKTIJ-22630FIR IDE: Lazy resolve exception after invocation ofOverride membersaction on value classKT-49643Intentions: "Implement members" fails when base type function declaration uses unresolved generic typesIDE. JS
KTIJ-22167Make JS IR default in projects created by wizardKTIJ-22332Wizard: Kotlin/JS projects: cssSupport DSL should be updatedIDE. KDoc
KTIJ-22324K2 IDE: implement reference resolve inside KDocsIDE. Multiplatform
KTIJ-19566New Project Wizard: Update HMPP-related flags in multiplatform wizardsIDE. Navigation
KT-51314FIR IDE: show Kotlin declarations in search symbolKTIJ-22755Find usage for constructor from kotlin library doesn't work for secondary constructor usagesIDE. Script
KTIJ-22598Add warning for standalone scripts in source rootsKT-54325.settings.gradle.kts and .init.gradle.kts are reported as standalone scriptsIDE. Structural Search
KTIJ-21986KSSR: "CodeFragment with non-kotlin context should have fakeContextForJavaFile set: originalContext = null" warning shows up when replacingIDE. Tests Support
KT-50269FIR IDE: Allow running tests via gutterIDE. Wizards
KTIJ-23537Wizard: projects with Android modules require higher sdkCompileVersionKTIJ-23525Wizard: Compose multiplatform: project won't build and require higher compileSdkVersionKTIJ-22763New Project Wizard: remove deprecated Android extensions plugin from Android target in the project constructorKTIJ-22481Wizard: Kotlin -> Browser application (gradle groove). Build errorJavaScript
Fixes
KT-55097KJS / IR + IC: Using an internal function from a friend module throws an unbound symbol exceptionKT-54406Kotlin/JS: build with dependencies fails with "Could not find "kotlin" in [~/.local/share/kotlin/daemon]"KT-53074Make JS IR BE default in toolchain (gradle & CLI)KT-50589UTF-8 Instability in kotlin.js.mapKT-54934KJS / IR + IC: Suspend abstract function stubs are generated with unstable lowered ic signaturesKT-54895KJS / IR + IC: broken cross module references for function default param wrappersKT-54520KJS / IR Allow IdSignature clashesKT-54120JS IR + IC: pointless invalidation of dependent code after modifying companionsKT-53986KJS / IR + IC: compiler produces different JS file names with IC and without ICKT-54010JS IR + IC: Force IC cache invalidation after updating language version or featuresKT-53931KJS / Gradle: Regression with 1.7.20-RC: ReferenceError: println is not definedKT-53968Kotlin/JS: no UninitializedPropertyAccessException on access to non-initialized lateinit property defined in dependenciesKT-54686KJS / IR: Incorrect generation of signatures when one of argument is nested classKT-54479KJS / IR + IC: Adding or removing companion fields leads java.lang.IllegalStateException in the compiler IC infrastructureKT-54382KJS / IR: Wrong type check for inheritors of suspend functionsKT-54323KJS / IR + IC: Intrinsics from stdlib may lose their dependencies in incremental rebuildKT-53361KJS / IR: No debug info is generated for in-line js codeKT-53321Implement Enum.entries lowering on JS/IRKT-53112KJS IR turn on IC infra by defaultKT-50503Kotlin/JS: IR + IC: compileTestDevelopmentExecutableKotlinJs fails with ISE: "Could not find library" after removing module dependencyKT-54011JS IR + IC: EnumEntries don't work well when IC is enabledKT-53672KJS / IR: "IndexOutOfBoundsException: Index 0 out of bounds for length 0" caused by function reference to extension function of reified type variableKT-43455KJS: IR. Incremental compilation problem with unbound symbolsKT-53539KJS: Exported class inherited non-exported class shows warningKT-53443KJS/IR: NullPointerException caused by anonymous objects inside lambdasKT-52795K/JS and K/Native IR-validation/compilation errors for a valid kotlin codeKT-52805KJS/IR: Invalid call of inline function inalsoblockKT-51151KJS / IR: Wrong overloaded generic method with receiver is calledKT-52830KJS/IR: Sourcemap disabling doesn't workKT-52968KJS / IR: Buggy generation of overridden methodsKT-53063KJS / IR + IC: undefined cross module reference for implemented interface functionsKT-51099KJS / IR + IC: Cache invalidation doesn't check generic class variance annotations (in, out)KT-51090KJS / IR + IC: Cache invalidation doesn't check suspend qualifierKT-51088KJS / IR + IC: Cache invalidation doesn't check class qualifiers (data, inline)KT-51083KJS / IR + IC: Cache invalidation doesn't check inline function which was non inline initiallyKT-51896KJS / IR + IC: Cache invalidation doesn't trigger rebuild for fake overridden inline functionsLanguage Design
KT-48385Deprecate confusing grammar in when-with-subjectKT-48516Forbid@Synchronizedannotation on suspend functionsKT-41886Ability to require opt-in for interface implementation, but not for usageKT-34943OVERLOAD_RESOLUTION_AMBIGUITY inconsistent with the equivalent Java codeKT-51334Implement type-bound labelthis@TypeLibraries
New Features
KT-21007Provide Kotlin OSGI Bundle with extensions for JRE8 (and JRE7)KT-54082Comparable and subtractible TimeMarksKT-52928Provide copyToRecursively and deleteRecursively extension functions for java.nio.file.PathKT-49425Update OptIn documentation to reflect latest design changesKT-54005Allow callingdeclaringJavaClasson EnumKT-52933rangeUntil members in built-in typesPerformance Improvements
KT-53508Cache typeOf-related KType instances when kotlin-reflect is usedFixes
KT-51907Switch JVM target of the standard libraries to 1.8KT-54835Document that Iterable.all(emptyCollection) returns TRUE.KT-54168Expand on natural order in comparator docsKT-53277Stabilize experimental API for 1.8KT-53864Review deprecations in stdlib for 1.8KT-47707Remove the system property and the brittlecontainsoptimization code itselfKT-52336Different behavior on JVM and Native in stringBuilder.append(charArray, 0, 1)KT-53927Remove deprecation from ConcurrentModificationException constructorsKT-53152Introduce EnumEntries to stdlib as backing implementation of Enum.entriesKT-53134stdlib > object Charsets > not thread safe lazy initializationKT-51063Gradle project with JPS runner: "JUnitException: Failed to parse version" JUnit runner internal error with JUnitKT-52908Native: setUnhandledExceptionHook swallows exceptionsNative
KT-51043Kotlin Native: ObjC-Interop: kotlin.ClassCastException: null cannot be cast to kotlin.Function2KT-50786Native: prohibit suspend calls inside autoreleasepool {}KT-52834Implement test infrastructure for K2/NativeNative. C Export
KT-36878Reverse C Interop: incorrect headers generation for primitive unassigned type arraysKT-53599[Reverse C Interop] Provide box/unbox API for unsigned primitive typesKT-41904Kotlin/Native : error: duplicate member for interface and function with the same nameKT-42830[Reverse C Interop] Add API to get value of boxed primitivesKT-39496K/N C: optional unsigned types as function parameters crash the compilerKT-39015Cannot compile native library with nullable inline classNative. C and ObjC Import
KT-54738Cocoapods cinterop: linking platform.CoreGraphics packageKT-54001Kotlin/Native: support header exclusion in cinterop def filesKT-53151Native: Custom declarations in .def don't work with modules, only headersNative. ObjC Export
KT-53680Obj-C refinement annotationsKT-54119Native: runtime assertion failed due to missing thread state switchKT-42641Don't export generated component* methods from Kotlin data classes to Obj-C headerNative. Platform Libraries
KT-54225Native: update to Xcode 14.1KT-54164Native: commonizer fails on CoreFoundation typesKT-39747Why is there no WinHttp API in Kotlin/Native's Windows API?Native. Runtime
KT-49228Kotlin/Native: Allow to unset unhandled exception hookKT-27305Fix FILE macro insideRuntimeCheckandRuntimeAssertNative. Runtime. Memory
KT-54498Deprecation message of 'FreezingIsDeprecated' is not really helpfulKT-53182New memory manager: Unexpected memory usage on IOSNative. Stdlib
KT-52429Small Usability Improvements for Worker APIReflection
KT-54629Incorrectly cached class classifierKT-54611KTypeImpldoes not take into account class loader from theclassifierpropertyKT-48136MakeReflection.getOrCreateKotlinPackageuse cache whenkotlin-reflectis usedKT-50705Use ClassValue to cache KClass objects in kotlin-reflectKT-53454Properly cache the same class's KClass when it's loaded by multiple classloaders in getOrCreateKotlinClassSpecification
KT-54210Update Kotlin specification to mention that since 1.8 generics in value classes are allowedTools. CLI
KT-54116Add JVM target bytecode version 19KT-53278Support values 6 and 8 for -Xjdk-releaseKT-46312CLI: Kotlin runner should use platform class loader to load JDK modules on Java 9+Tools. Commonizer
KT-54310Commonizer fails on 1.8.0-dev K/N distributionsKT-48576[Commonizer] platform.posix.pselect not commonized in KtorTools. Compiler Plugins
KT-46959Kotlin Lombok: Support generated builders (@Builder)KT-53683Unresolved reference compilation error occurs if a file is annotated with@Singular and has any guava collection type : ImmutableTable, ImmutableList or elseKT-53657[K2] Unresolved reference compilation error occurs if a field is annotated with@Singular and has type NavigableMap without explicit types specificationKT-53647[K2] Unresolved reference compilation error occurs if a field is annotated with@Singular and has type Iterable<>KT-53724Param of the@Singular lombok annotation ignoreNullCollections=true is ignored by kotlin compilerKT-53451[K2] References to methods generated by@With lombok annotation can't be resolved with enabled K2 compilerKT-53721[K2] There is no compilation error while trying to add null as a param of the field with non-null typeKT-53370Kotlin Lombok compiler plugin can't resolve methods generated for java boolean fields annotated with@With annotationTools. Compiler plugins. Serialization
KT-54878JVM/IR: java.lang.ClassCastException: class org.jetbrains.kotlin.ir.types.impl.IrStarProjectionImpl cannot be cast to class org.jetbrains.kotlin.ir.types.IrTypeProjection on serializer<Box<*>>()KT-55340Argument for kotlinx.serialization.UseSerializers does not implement KSerializer or does not provide serializer for concrete typeKT-55296Improve exceptions in serialization pluginKT-55180KJS: regression in serialization for Kotlin 1.8.0-betaKT-53157Recursion detected in a lazy value under LockBasedStorageManager in kotlinx.serializationKT-54297Regression in serializable classes with star projectionsKT-49660kotlinx.serialization: IndexOutOfBoundsException for parameterized sealed classKT-43910JS IR: Serialization with base class: "IndexOutOfBoundsException: Index 0 out of bounds for length 0"Tools. Daemon
KT-52622Kotlin/JS, Kotlin/Common compilations start Kotlin daemon incompatible with Kotlin/JVM compilation on JDK 8Tools. Gradle
New Features
KT-27301Expose compiler flags via Gradle lazy propertiesKT-53357Change single build metrics propertyKT-50673Gradle: KotlinCompile task(s) should use@NormalizeLineEndingsKT-34464Kotlin build report path not clickable in the IDEPerformance Improvements
KT-51525[Gradle] Optimize evaluating args for compile tasksKT-52520Remove usage of reflection from CompilerArgumentsGradleInputFixes
KT-48843Add ability to disable Kotlin daemon fallback strategyKT-55334kaptGenerateStubs passes wrong android variant module names to compilerKT-55255Gradle: stdlib version alignment fails build on dynamic stdlib version.KT-55363[K1.8.0-Beta] Command line parsing treats plugin parameters as source filesKT-54993Raise kotlin.jvm.target.validation.mode check default level to error when build is running on Gradle 8+KT-54136Duplicated classes cause build failure if a dependency to kotlin-stdlib specified in an android projectKT-50115Setting toolchain via Java extension does not configure 'kotlinOptions.jvmTarget' value when Kotlin compilation tasks are created eagerlyKT-55222Migrate AndroidDependencyResolver to the new Gradle APIKT-55119There is no validation for different jvmTarget and targetCompatibility values in multiplatform projects with jvm target and used java sourcesKT-55102Compile java task fails with different target version in pure kotlin projectKT-54995[1.8.0-Beta] compileAppleMainKotlinMetadata fails on default parameters withNo value passed for parameter 'mustExist'KT-35003Automatically set targetCompatibility for kotlin-jvm projects to work with gradle 6 metadataKT-45335kotlinOptions.jvmTarget conflicts with Gradle variantsKT-48798Android: going from one to more than one productFlavor causes inputs of commonSourceSet$kotlin_gradle_plugin property of compileKotlin task to changeKT-55019Gradle sync: UnknownConfigurationException when adding implementation dependencies to a Kotlin with Java compilationKT-55004jvmTarget value is ignored by depending modules if a task "UsesKotlinJavaToolchain" is configured for all project modules using allProjects {}KT-54888Add Gradle property to suppress kotlinOptions.freeCompilerArgs modification on execution phaseKT-54399Undeprecate 'kotlinOptions' DSLKT-54306Change the naming of newly added Compiler*Options classes and interfacesKT-54580KotlinOptions in AbstractKotlinCompilation class are deprecatedKT-54653java.lang.NoClassDefFoundError: kotlin/jdk7/AutoCloseableKt exception if a dependency to the kotlin-stdlib is addedKT-52624Compatibility with Gradle 7.3 releaseKT-54703Stdlib substitution does not work with JPMS modulesKT-54602Prevent leaking Gradle Compile DSL types into compiler cli runtimeKT-54439Project failed to sync Native LaguageSettings to compiler options in afterEvaluateKT-53885Bump minimal supported Gradle version to 6.8.3KT-53773Protect and system properties can contain sensitive dataKT-53732Add custom values limits for build scan reportsKT-52623Compatibility with Gradle 7.2. releaseKT-51831Gradle: removekotlin.compiler.execution.strategysystem propertyKT-51679Change deprecation level to error for KotlinCompile setClasspath/getClasspath methodsKT-54335Kotlin build report configuration. There is no validation for SINGLE_FILE output if the required kotlin.build.report.single_file property is empty or absentKT-54356Kotlin build report configuration. Wrong path is used for the property kotlin.internal.single.build.metrics.fileKT-53617KotlinCompilerExecutionStrategy value is ignored by depending modules if configure once for all project modules using allProjects {}KT-53823Kotlin Gradle Plugin uses deprecated Gradle API: Provider.forUseAtConfigurationTime()KT-54142Increase Kotlin Gradle plugin Gradle target API to 7.5KT-50161Android variant filter breaks KotlinCompile cache compatibilityKT-54113LanguageSettings to KotlinNativeLink.toolOptions sync are executed on the wrong contextKT-53830Versions of kotlin-stdlib-jdk8 and kotlin-stdlib-jdk7 aren't overrided if added as transitive dependencies to kotlin-stdlibKT-54112Missing target input on KotlinNativeLink taskKT-45879Documentation: Wrong kotlin languageVersion "1.6 (EXPERIMENTAL)"KT-54103Remove JvmTarget.JVM_1_6 from generated Gradle compiler typeKT-52959KMP code is breaking Gradle project isolationKT-50598MULTIPLE_KOTLIN_PLUGINS_SPECIFIC_PROJECTS_WARNING is only shown on first buildKT-53246Gradle: Special characters in paths of errors and warnings should be escapedKT-47730How to avoid stdlib coming from Kotlin gradle pluginKT-52209Corrupted cache and non-incremental build if produce caches "in process" and restore then compiling with kotlin daemonKT-41642"TaskDependencyResolveException: Could not determine the dependencies" when trying to apply stdlibKT-53390Drop usage of -Xjava-source-roots when passing java sources required for Kotlin compilationKT-52984Kotlin Gradle plugin is misbehaving by resolving DomainObjectCollection earlyKT-38622Non-incremental compilation because of R.jar with Android Gradle plugin 3.6KT-38576AnalysisResult.RetryWithAdditionalRoots crashes during incremental compilation with java classes in classpathTools. Gradle. Cocoapods
KT-54314Cocoapods: Signing pod dependency for Xcode 14KT-54060Xcode 14: disable bitcode embedding for Apple frameworksKT-53340Change default linking type for frameworks registered by cocoapods pluginKT-53392Deprecate and delete downloading pod dependencies by direct linkKT-53695Build of macOS application fails if a framework is integrated via Cocoapods pluginTools. Gradle. JS
KT-53367KJS: Migrate cssSupport APIKT-45789KJS / IR: Transitive NPM dependencies are not included in PublicPackageJsonTask outputKT-55099K/JS: Second declaration of JS target without compiler type report warning incorrectlyKT-52951[KGP/JS] Browser test target registration via propertiesKT-52950KJS: Report if yarn.lock was updated during builtKT-53374KJS / Gradle: Implement IDEA sync detection logic via ValueSource to improve configuration cache supportKT-53381Kotlin/JS: with erased kotlin-js-store/ and reportNewYarnLock = true the task kotlinUpgradeYarnLock always failsKT-53788KJS / Gradle: Disable Gradle build cache for KotlinJsDce when development mode is enabledKT-53614Kotlin/JS upgrade npm dependenciesTools. Gradle. Multiplatform
New Features
KT-53396Support 'implementation platform()' by gradle kotlin mpp plugin for JVM targetKT-40489MPP / Gradle: support BOM (enforcedPlatform) artifacts in source set dependencies DSLPerformance Improvements
KT-52726[MPP] Optimize caching/performance/call-sites of 'compilationsBySourceSets'Fixes
KT-54634MPP: Test Failure causes:KotlinJvmTest$Executor$execute$1 does not define failureKT-35916Gradle MPP plugin: Configurations for a main compilation and its default source set have different namingKT-46960Repeated kotlin/native external libraries in projectKT-27292MPP: jvm { withJava() }: Gradle build: Java source under Kotlin root is resolved while building, but does not produce output class filesKT-34650Naming clash in MPP+Android: androidTest vs androidAndroidTestKT-54387Remove MPP alpha stability warningKT-31468Targets disambiguation doesn't work if a depending multiplatform module useswithJava()modeKT-54090Take an Apple test device from the device listKT-54301KotlinToolingVersionOrNull: IllegalArgumentExceptionKT-53256Implement K/N compiler downloading for KPMKT-45412KotlinCompilation: Make sure .kotlinSourceSets and .allKotlinSourceSets include the default source setKT-49202Tests on android target can't be executed in multiplatform project if dependency to kotlin-test framework is provided as a single dependency and tests configured to be executed via Junit5Tools. Gradle. Native
New Features
KT-43293Support Gradle configuration caching with Kotlin/NativeKT-53107Add arm64 support for watchOS targets (Xcode 14)Fixes
KT-53704Native cinterop: eager header path calculationKT-54814Kotlin/Native: Github Actions: Testing watchOSX64 with Xcode 14 — Invalid device: Apple Watch Series 5KT-54627Native: :commonizeNativeDistribution with configuration cache enabled fails even when set to warn on JDK 17KT-54339Link tasks fail if Gradle Configuration Cache is enabledKT-53191Native cinterop sync problem with gradleKT-54583watchosDeviceArm64 target shouldn't register test tasksKT-52303Gradle / Native: Build tasks ignore project.buildDirKT-54442Gradle iOS test tasks fail if a device is not selected explicitlyKT-54177Gradle: DeprecateenableEndorsedLibsflagKT-47355Support macos target for FatFramework taskKT-53339MPP / CocoaPods: The static framework fails to install on a real iOS deviceKT-31573Missing description for Native Gradle tasksKT-53131Gradle Sync: "NoSuchElementException: Array contains no element matching the predicate" with CocoaPodsKT-53686Task assembleReleaseXCFramework fails with "error: the path does not point to a valid framework" if project name contains a dashTools. Incremental Compile
KT-54144New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline function with custom JvmNameKT-53871New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline property accessorKT-19804Relocatable IC cachesTools. JPS
KT-45474False positive NO_ELSE_IN_WHEN on sealed class with incremental compilationKT-54228Switching abstract to sealed classes causes incremental issueKT-38483JPS: Stopping compilation causes IDE CompilationCanceledExceptionKT-50310False positive NO_ELSE_IN_WHEN on incremental build when adding sealed classesKT-48813Move cache version to compilerKTIJ-921JPS: FileNotFoundException on project build in mixed Kotlin/Scala projectTools. Kapt
KT-54187JVM IR + kapt: incorrect modifierfinalis generated for nested enum in interfaceKT-48827Remove 'kapt.use.worker.api' propertyTools. Scripts
KT-54355Scripts: Internal compiler error (languageVersion=1.9)KT-53009Scripting: NDFDE “Descriptor wasn't found for declaration SCRIPT” on using script definition with kotlin from masterChecksums
v1.7.22: Kotlin 1.7.22This is a technical release. It doesn't contain any fixes that aren't included in Kotlin 1.7.21.
Version 1.7.22 of the Kotlin plugin will not be available for downloading or installing in any IDEs.
Checksums
v1.7.21: Kotlin 1.7.21Changelog
Compiler
KT-54463Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegateKT-54509Ir Interpreter: unable to evaluate string concatenation with "this" as argumentKT-54004Builder type inference does not work correctly with variable assignment and breaks run-timeKT-54393Change in behavior from 1.7.10 to 1.7.20 for java field override.KT-54615JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expressionKT-54581JVM: "VerifyError: Bad type on operand stack" with generic inline function andwheninside try-catch blockKT-53146JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtimeKT-54600NPE on passing nullable Kotlin lambda as Java's generic SAM interface withsupertype boundKT-54707"VerifyError: Bad type on operand stack" in inline call chain on a nullable array valueKT-54650Binary incompatible ABI change in Kotlin 1.7.20KT-54802"VerifyError: Bad type on operand stack" for inline functions on arraysNative. Runtime. Memory
KT-54498Deprecation message of 'FreezingIsDeprecated' is not really helpfulTools. Gradle. Multiplatform
KT-54387Remove MPP alpha stability warningKT-48436False positive "The Kotlin source set androidAndroidTestRelease was configured but not added to any Kotlin compilation"Tools. JPS
KT-45474False positive NO_ELSE_IN_WHEN on sealed class with incremental compilationChecksums
v1.7.20: Kotlin 1.7.201.7.20
Analysis API
KT-52667FIR IDE: fun interfaces (SAM interfaces) are not properly resolvedKT-52136FIR: Implicit type declaration from the other module cannot be used for overloadingAnalysis API. FE1.0
KT-51962Analysis API: Finish Analysis API for FE1.0Analysis API. FIR
KT-52779FIR IDE: Import Optimizer cannot handle generic type qualifiersKT-50236Fix OOB modification trackers for non-Kotlin codeKT-51240Analysis API: KtAnalysisSession for a specific module cannot create a symbol for PSI that cannot be seen from that module.KT-50868Analysis API: decompiled type aliases are not resolvedCompiler
KT-53739Builder inference, extension hides membersKT-53733Kotlin/Native: update source documentation for the new default memory managerKT-53667Compiler crashes on attempt to alloc a string on the stack in new MMKT-53480Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$stringKT-52843Compose: NPE at Parameters.getParameterByDeclarationSlot if inline function with default arguments takes a lambda which captures value class represented by LongKT-53475Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"New Features
KT-52495Support until operator in back-endsKT-52420Implement resolve of until operatorKT-52419Implement until operator in the parserKT-33755Kotlin/Native: Provide a way to customize a bundle Identifier of a generated frameworkKT-51665FIR: implement label resolve for "typed this" caseKT-52361Report warning on potentially empty intersection typesPerformance Improvements
KT-47816Disable script discovery for non-script environmentsKT-48635JVM IR: Double/Float values are boxed when comparing for equality in equals method of data/value classesKT-23397Optimize out field for property delegate when it's safe (JVM)Fixes
KT-53272Backend Internal error: Exception during IR lowering / No such value argument slot: 2KT-53124Receiver type mismatch when combining extension properties, type projections, Java sources, and F-bounded type-variablesKT-51868JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interfaceKT-36770Prohibit unsafe calls with expected@NotNullT and given Kotlin generic parameter with nullable boundKT-52974"IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP projectKT-53007JVM: "Bad invokespecial instruction: current class isn't assignable to reference class" when call superclass of outer class method from inner classKT-53019K2: cannot cast callable reference to Function1 in runtimeKT-53031K2 compiler crashes with IllegalStateException: No type in ProtoBuf.ValueParameterKT-29168Prohibit upper bounds violation with generic typealias using not all type parameters as arguments for underlying type in supertypesKT-52432Using the IDE compiled with K2 (useFir) throws VerifyError exceptionKT-52327False negative: TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM isn't reportedKT-49682Support JVM IR in KAPT stub generationKT-24643Prohibit using a type parameter declared for an extension property inside delegateKT-51972FIR, Gradle: "Symbol is invisible" compilation error with enabled Kotlin Lombok compiler pluginKT-52011[FIR] All-open compiler plugin isn't supportedKT-51950JVM IR: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" with crossinline lambdas and interface delegationKT-52540Native: kotlin.NotImplementedError with Arrow libraryKT-48031"IllegalStateException: Type variable TypeVariable(T) should not be fixed!"KT-47708RequiresOptIn check does not flag experimental method usage in SAM lambda expressionsKT-52913JVM / IR: "IllegalArgumentException: Inline class types should have the same representation" when trying to down cast cast a value classKT-50771IR partial linkage: Removed abstract callable members are not supportedKT-52994Enable generic inline classes as experimental featureKT-52742CYCLE_IN_ANNOTATION_PARAMETER_ERROR false positive on annotations with default valuesKT-52743Non-null generic functions throws NPE when assigned to valKT-52745Frontend / K2: "IncompatibleClassChangeError: class A$B overrides final method A.length()I" caused by delegation in a sealed classKT-52832Tree-generator's method FirExpression::isFirType returns true and false for different field names; it should always be trueKT-52403IncompatibleClassChangeError when inlining suspend funsKT-50107Missed USAGE_IS_NOT_INLINABLE diagnostic: Leaking inline lambda parameter through extension receiverKT-47965Missed USAGE_IS_NOT_INLINABLE diagnostic on inline lambda parameter usage as receiver of .let callKT-25787No error on crossinline usage of receiver parameter of functional type in an inline functionKT-52762Frontend / K2: Named arguments for Java classes lead to "Cannot find a parameter with this name"KT-52680K2: overload resolution ambiguity ifthisis casted in a different methodKT-52676K2: Unsupported compile-time value IrGetFieldImpl instead of IrConst in AnnotationCodegen for constant from JavaKT-50293False positive: USELESS_CAST on stub typesKT-52175WRONG_ANNOTATION_TARGET for annotation that used inside ifKT-52338"IncompatibleClassChangeError: Expected non-static field" with Kotlin class with same-named companion object property as base Java class fieldKT-49507JVM: "IllegalAccessError: class X tried to access private field" with same-named Kotlin property and Java base class fieldKT-44512FIR DFA: incorrect smartcast after null assignment inside a lambdaKT-49200FIR/FE 1.0: different behavior with multiple matching star importsKT-52718declaringClass deprecation message mentions the wrong replacement in 1.7KT-52190FIR2IR: Unexpected IrErrorTypeImpl type for put method inside buildMapKT-52197Incorrect inference of var type inside lambda that passed to extension function with type parameters that defined inside this lambdaKT-52057Unsupported compile-time value STRING_CONCATENATION and GET_FIELD in annotation argumentsKT-47823JVM IR: "IllegalArgumentException: Inline class types should have the same representation" withbreakusage in the loop rangeKT-51883Kotlin 1.6.20 generates "-" in type names around lambdas and inline extension function with reified type which breaks Apache BeamKT-52684Syntax error regression on complicated combination of LT and GTEQKT-52417Reflection: Can't reflect on type parameters captured by SAM converted lambdaKT-46797JVM IR: suspendImpl has no generic signature, breaking reified types in anonymous object supertypes when using the type token patternKT-51464FIR: Unable to infer type in coroutines flow codeKT-52163JVM IR: Double.compareTo(Int) compiled to integer comparisonKT-41980FIR: erroneous scope during annotation resolveKT-47159KtPsiUtils.areParenthesesUseless()is returning a false positive on expressions for interface delegationKT-51418Substitute anonymous type's supertypesKT-35544kotlin.TypeCastException has no message on NativeKT-52386StackOverflowError during Kotlin/Native gradle buildKT-52592NPE from KProperty.getExtensionDelegate on property delegated to another propertyKT-52551Delegating to object property reference does not invoke object's initializerKT-51704Contracts: "AssertionError: Arguments and parameters size mismatch" with companion objectKT-25527False positive UNUSED_VALUE for delegated property/variableKT-51002[FIR] Hidden declaration hides visible oneKT-51008[FIR] Star import does not work for nested calssifiers of java classKT-52407FIR: Star import has lower priority than built-in importKT-52431Reported error instead of warning due to empty intersection type foundKT-49394Bad message and suggestion: The feature "unit conversion" is disabledKT-51168FIR: Inference error with Java interop and captured typesKT-49961"AssertionError: Left expression was not processed: BINARY_EXPRESSION" when analyzing dangling [bracketed] expression inside elvisKT-50108Difference in fun interface conversion behavior for uninitialized not-null function valuesKT-51889Calls to super-classes constructors with context receivers fail on runtimeKT-51228[FIR] Unresolved reference on callable reference on implicitthiswith smartcastKT-52364False positive for INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTIONKT-52237JVM / IR: "IllegalArgumentException: No argument for parameter VALUE_PARAMETER CONTINUATION_CLASS" when implementing Map interface on class with suspending functionsKT-50832Method references to suspend inline functions are processed incorrectlyKT-52194False positive "Class 'my.packge.MyClass' is compiled by a pre-release version of Kotlin and cannot be loaded by this version of the compiler" but builds fineKT-47203JVM Debugger: Parameter value doesn't change for tailrec functionKT-52131False positive variable unused warning when calling inline function in finally blockKT-51738Debugger: stepping over in inline function with multiple inline lambda invocations is incorrectKT-52198Losing reference to the value of an outer variable (Ref$ObjectRef) when using suspend inline with suspendCancellableCoroutineKT-50994FIR: AssertionError during inference of delegated properties with implicit typesKT-51757FIR does not see various JS/Native specific declarations in common modulesKT-51201FIR: ARGUMENT_TYPE_MISMATCH diagnostic contains generic parameter instead of the actual typeKT-48444FIR: type argument rejected for annotationKT-51754JVM: Local variable table invalid for do-while with continueKT-51936Breakpoint not hit on last line of suspend function on AndroidKT-27333Forbid@Synchronizedannotation on suspend functionsKT-51530"StackOverflowError: CoroutineTransformerMethodVisitor.spillVariables" with data class in FlowKT-51460FIR: Protected property inaccessible from inner classKT-53947IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVERKT-51234Context receivers can be duplicated in function declarationKT-51576Context receivers: "AssertionError: Callers must check that current token is IDENTIFIER followed with '@'" withatcharacterKT-49479JVM / IR: "IllegalStateException: IrErrorType" during IR lowering with non-trivial recursion callsKT-52270NullPointerException caused by braces on if-else returning a method reference inside lambdaKT-47621False negative INVISIBLE_MEMBER on call to inaccessible protected synthetic property setterKT-37796NI: "ISE: Error type encountered" when inferring type of a property that delegates to itselfKT-45430PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression: toString()" with recursive function call in "also" block in nontrivial contextKT-52691K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl with intertwined functional interfacesKT-52822Fix contract for KtElement.getReference()KT-50223IndexOutOfBoundsException fromClassicTypeSystemContext$DefaultImpls.getParameterduring call resolutionKT-51963Change Maven version to 1.7.255KT-47664Incorrect type checking in the case of generic typesKT-48765NI: Inferred type does not respect the bound of type variableKT-51243False positive error "No required context receiver" inside contextual lambdaKT-43541TYPE_MISMATCH for member function which is not occur for top level function during unsafe castKT-51016[FIR] False positive OVERLOAD_RESOLUTION_AMBIGUITY between two extensions on different supertypesKT-50155FIR: support contextual receiversKT-38637Catch NoSuchFieldException in optimized when expression over enumDocs & Examples
KT-49896Kotlin/JS: improve-Xir-property-lazy-initializationdescription due to making it true by defaultIDE
KTIJ-22286Kotlin JPS project created via wizard does not contain Kotlin libraries in case of not-released versionKTIJ-22065IDE notification motivating Kotlin users to use EAPKTIJ-22209Configure Kotlin on 221 idea adds 1.6.10 Kotlin (despite the fact that IDE plugin is 1.7.10)KTIJ-22171Fix test BuiltInDecompilerConsistencyTestKTIJ-22016Empty .kt file and build.gradle.kts can trigger an error while searching for a facade light classKT-52571MPP Tasks on import are not up-to-date after subsequent launchesKT-47777ISE thrown from KtLightClassForFacadeImpl.Companion.createForFacadeNoCache has wrong message.IDE. FIR
KT-52360FIR IDE: Make the fix ofisInheritormethod betterKT-51786FIR IDE: IllegalStateException exception in Inspections' infrastructureKT-52331Analysis API: ArrayIndexOutOfBoundsException exception in Diagnostics' infrastructureIDE. Code Style, Formatting
KTIJ-21346Incorrect formatting for functions with context receivers and visibility modifiersIDE. Completion
KTIJ-21910FIR IDE: Fix completion tests started failing after visibility checker refinementIDE. Decompiler, Indexing, Stubs
KTIJ-21243ContextReceivers: "UpToDateStubIndexMismatch: PSI and index do not match" plugin exception on library with context receivers usage attemptIDE. Gradle Integration
KT-47627IDE import fails with com.intellij.util.lang.PathClassLoader error forrunCommonizerGradle task on 212, 213 IDEAsKTIJ-21638MPP: IntelliJ can not resolve MPP references in common-codeKT-52216HMPP / KTOR: False positive "TYPE_MISMATCH" with Throwable descendantIDE. Inspections and Intentions
KTIJ-22540Invalid "remove unnecessary parentheses" when delegating a functional interface to a SAM in bracketsIDE. J2K
KTIJ-21665J2K generates non compiling code when liftingreturnand one branch is broken before binary operatorIDE. JS
KTIJ-22337Wizard: Kotlin/Js for browser: cssSupport DSL should be updatedIDE. K2
KTIJ-21672FIR IDE: Method reference on generic class breaks resolveKTIJ-21714FIR IDE: Inherently imported type from another module is not properly resolvedIDE. Script
KT-52525Update scripts handling in source rootsIDE. Misc
KTIJ-21699Refactoring: move out parts of the plugin useful for both FE10 and K2JavaScript
New Features
KT-39423KJS: Optionally generate a method to handle optional parameters for function in typescriptKT-42282KJS IR: add an ability to run separate testsPerformance Improvements
KT-50270KJS IR: Unnecessary getter and setter calls when accessing class membersFixes
KT-51133Kotlin/JS - IR: even simple lambdas generate a lot of useless boilerplateKT-51123Provide a way to add comments to generated JSKT-48493KJS / IR: Invalid d.ts for inner classes inside objectsKT-52553KJS / IR: diamond hierarchy with super.toString produces stack overflow in runtimeKT-23252JS: Unit materialization on declaration and assignmentKT-51128Kotlin/JS - IR generate huge count of useless blocksKT-50778KJS/IR: Inline class has no field when building production distributionKT-50157KSJ IR: Applying identity equality operator to Chars always returns falseKT-38262Javascript generation (and Typescript) fails on 'then', 'catch' and 'finally' (and others?) claiming they are reserved namesKT-51066KJS / IR: suspend lambda parameter of value class is undefinedKT-51102KJS/IR: Assertion failed at translateCallArguments(jsAstUtils.kt:343)KT-51878KJS / Legacy: Unit is not materialized in an overridden method, but it should beLanguage Design
KT-47986Implicit inferring a type variable into an upper bound in the builder inference contextKT-49264Deprecate infix function calls of functions named "suspend" with dangling function literalKT-25636Native: Object is frozen by default problemKT-49303Implement support for basic compile-time evaluationLibraries
KT-52932Open-ended ranges in the standard libraryKT-52910Provide visit extension functions for java.nio.file.PathKT-48232Multiplatform function for computing cubic rootKT-52778The documentation for theDurationdoes not indicate any differences from the ISO-8601KT-52618ThreadLocalRandom is not a good source of randomness on Android before SDK 34, so don't use it for Kotlin RandomNative
KT-53346MPP project with kotlinx-serialization-json:1.4.0-RC is not builtNative. C Export
KT-45468Kotlin/Native: Bitcode verification error when trying to export a cached klib to a static or dynamic libraryNative. C and ObjC Import
KT-53373Native: @ExportObjCClass doesn't work with the new memory managerKT-49034Kotlin/Native:cnames.structs.Fooresolves into wrong declarationKT-26478Objective-C object's class name is null in ClassCastException's messageNative. ObjC Export
KT-51593Include more information in Objective-C header documentationKT-33117Improve customizing Info.plist in produced frameworksKT-52681Native:@end;for Objective-C is generated with an unnecessary semicolonNative. Platforms
KT-52226Kotlin/Native: Add support for cross-compilation of MIPS targets from macOS and Windows hostsNative. Runtime
KT-52430KMM 1.6.21 framework built with Xcode13, new MM GC Can't support iOS 9.xKT-53534Kotlin/Native:-Xruntime-logs=gc=infoflag doesn't work with compiler caches in 1.7.20-betaNative. Runtime. Memory
KT-52692Kotlin/Native: fix tests with aggressive GCKT-52130Kotlin/Native: use Xallocator for Kotlin objects onlyKT-51436Kotlin/Native: optimize mark queueReflection
KT-51804An error occurs when callBy a KFunction that contains a value class as an argument, has a default argument set, and has more than 32 arguments.Tools. CLI
KT-52465CLI: IllegalStateException IrSimpleFunctionPublicSymbolImpl when source root is duplicatedKT-52380Invalid path to compiler plugins should be reported as a compiler errorKT-51025JVM CLI compiler takes class file from classpath instead of input java source fileKT-51846Setting random value to the compiler argument where number is expected should produce an error. "-Xbackend-threads=abcd"Tools. Compiler Plugins
KT-52486[K2] Looking for function/constructor whose parameters are annotated or meta annotatedKT-52872Mark supportsK2 in ComponentRegistrar.kt as JvmDefault to avoid compatibility problemsKT-52804A function obtained by Fir IrBuiltins has an incorrect packageKT-52468Rename module and jar for lombok compiler pluginTools. Gradle
KT-53670Gradle: Cyclic dependency between kotlin-gradle-plugin-idea-1.7.20-Beta and kotlin-gradle-plugin-idea-proto-1.7.20-BetaKT-53615Gradle: Fix deprecation warnings in CleanableStoreImplKT-53118Fully up-to-date builds are slower with Kotlin 1.7.0KT-51923Improve usability of errors and warnings by being able to click on themKT-53244Report from gradle about compiler pluginsKT-52839Warn in Gradle log why incremental compilation failedKT-46019Compatibility with Gradle 7.1 releaseKT-47047Migrate Kotlin Gradle Plugin from using Gradle conventionsKT-52698Don't add InspectClassesForMultiModuleIC task when new incremental compilation is enabledKT-52867Provide simplified JVM toolchain configuration methodKT-45747Add basic JUnit 5 Kotlin Gradle Plugin Android tests setupKT-46034Shadow Kotlin Gradle plugin dependenciesKT-28664Support ExtensionContainer on kotlin targets and source sets.KT-19472Useful extensions of Gradle Kotlin DSL provided by Gradle Kotlin pluginKT-34393Kotlin Gradle DSL: Inconsistent srcDir configuration between Java and KotlinKT-51629There isn't enough info about incremental compilation state in logs while running build with --info keyTools. Gradle. Cocoapods
KT-53174CocoaPods: Synthetic Podfile does not specify platformKT-53127"MaterialComponents normal armv7" in Cocoapods plugin between Kotlin 1.6.21 and 1.7.0KT-44155Cocoapods doesn't support pods without module map file insideKT-49032Cocoapods cinterop: some header files are not foundKT-53337Add warning about future changing default linking type of framework provided via cocoapods pluginTools. Gradle. JS
KT-52637KJS / Gradle: Add SCSS webpack configKT-51527Kotlin/JS: BrowserXRun causes full-screen Webpack error "Compiled with problems: asset size limit/entrypoint size limit" for fresh Kotlin-React project from wizardKT-51532Kotlin/JS: passing environment variable via Gradle script causes "Execution optimizations have been disabled" warningsKT-52221Kotlin/JS: failed Node tests are not reported in a standard wayTools. Gradle. Multiplatform
KT-52243CInteropProcess is not cacheable despite the annotationKT-52741MPP: klib outputs are not reproducibleKT-52208MPP: Gradle plugin 1.7 doesn't support latest api versions (1.8, 1.9)KT-54071MPP/AGP compatibility: Bump maxSupportedVersion to 7.3.0Tools. Gradle. Native
KT-52632Gradle / Native: commonizeNativeDistributionTask can never be up-to-dateKT-52328"ld: framework not found SQLCipher" linkDebugTestIosSimulatorArm64 errorTools. Incremental Compile
KT-53168Incremental compilation doesn't perform correctly after a few iterationsKT-52925[IR BE] Non incremental build occurs after build failure for compileKotlinJs taskKT-52946CompileKotlinJs task is executed non-incrementally if there were changes made to the dependant moduleKT-52329Reduce memory usage of classpath snapshot cacheKT-53266Increment Compilation: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing companion object constant fieldKT-53231New IC reports build failures for missing classpath snapshotsTools. JPS
KT-47824'when expression must be exhaustive' isn't thrown during incremental compilationKT-51873JPS build is incorrect after gdw buildKTIJ-17072JPS does not rebuild Kotlin usages of declared in Java when enum entry is addedKT-51537Rebuild module on plugin classpaths changeTools. REPL
KT-45065REPL: Incorrect output for unsigned valueKT-53043Scripting: Changes in REPL protocol: mark end of errorsTools. Scripts
KT-52598Scripts and REPL snippets are not checked against using 'kotlin' packageKT-47187Kotlin ScriptEngine Failes to Compile a Trivial Statement After Failing to Compile a Broken OneKT-47191[Kotlin Script Engine] Compiling Without Evaluating Leaves Engine in a Bad StateTools. Kapt
KT-52761Kotlin 1.7.0 breaks kapt processing for protobuf generated java sourcesChecksums
v1.7.10: Kotlin 1.7.10Changelog
Compiler
KT-52702Invalid locals information when compilingkotlinx.collections.immutablewith Kotlin 1.7.0-RC2KT-52892Disappeared specific builder inference resolution ambiguity errorsKT-52782Appeared receiver type mismatch error due to ProperTypeInferenceConstraintsProcessing compiler featureKT-52718declaringClass deprecation message mentions the wrong replacement in 1.7IDE. Configuration
KTIJ-21982Cannot run/build anything with Kotlin plugin since last updateTools. Gradle
KT-52777'org.jetbrains.kotlinx:atomicfu:1.7.0' Gradle 7.0+ plugin variant was published with missing classesTools. Gradle. JS
KT-52856Kotlin/JS: Upgrade NPM dependenciesTools. Gradle. Multiplatform
KT-52955SourceSetMetadataStorageForIde: Broken 'cleanupStaleEntries' with enabled configuration caching or isolated ClassLoadersKT-52694Kotlin 1.7.0 breaks Configuration Caching in Android projectsTools. Incremental Compile
KT-52669Full rebuild in IC exception recovery leaves corrupt IC dataChecksums
v1.7.0: Kotlin 1.7.0Changelog
Analysis API. FIR
KT-50864Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign targetKT-50252Analysis API: Implement FirModuleResolveStates for librariesKT-50862Analsysis API: do not create use site subsitution override symbolsAnalysis API. FIR Low Level API
KT-50729Type bound is not fully resolvedKT-50728Lazy resolve of extension function from 'kotlin' package breaks over unresolved typeKT-50271Analysis API: get rid of using FirRefWithValidityCheckBackend. Native. Debug
KT-50558K/N Debugger. Error is not displayed in variables view for catch blockCompiler
New Features
KT-26245Add ability to specify generic type parameters as not-nullKT-45165Remove JVM target version 1.6KT-27435Allow implementation by delegation to inlined value of inline classKT-47939Support method references to functional interface constructorsKT-50775Support IR partial linkage in Kotlin/Native (disabled by default)KT-51737Kotlin/Native: Remove unnecessary safepoints on watchosArm32 and iosArm32 targetsKT-44249NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER with type usage in higher order functionPerformance Improvements
KT-48233Switching to JVM IR backend increases compilation time by more than 15%KT-51699Kotlin/Native: runtime has no LTO in debug binariesKT-34466Use optimized switch over enum only when all entries are constant enum entry expressionsKT-50861FIR: Combination of array set convention and plusAssign works exponentiallyKT-47171For loop doesn't avoid boxing with value class iterators (JVM)KT-29199'next' calls for iterators of merged primitive progressive values are not specializedKT-50585JVM IR: Array constructor loop should use IINCKT-22429Optimize 'for' loop code generation for reversed arraysKT-50074Performance regression in String-based 'when' with single equality clauseKT-22334Compiler backend could generate smaller code for loops using range such as integer..array.size -1KT-35272Unnecessary null check on unsafe cast after not-null assertion operatorKT-27427Optimize nullable check introduced with 'as' castFixes
KT-46762Finalize support for jspecifyKT-51499@file:OptIndoesn't cover override methodsKT-52037FIR: add error in 1.7.0 branch if run with non-compatible pluginsKT-46756Release the K2/JVM compiler in AlphaKT-49715IR: "IllegalStateException: Function has no body: FUN name:toString" during IR lowering with shadowed extension inside interfaceKT-45508False negative ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED on a fake override with an abstract super class memberKT-28078Report error "Public property exposes its private type" for primary constructor properties instead of warningKT-49017Forbid usages of super or super if in fact it accesses an abstract memberKT-38078Prohibit calling methods from Any with "super" qualifier once they are overridden as abstract in superclassKT-52363Evaluate impact of qualifiedthisbehavior change warningsKT-52561JVM: Coroutine state machine loses value after a check-induced smart castKT-52311java.lang.VerifyError: Bad type on operand stackKT-41124Inconsistency of exceptions at init block for an enum entry with and without a qualifier nameKT-46860Make safe calls always nullableKT-52503New green code appeared at the callable reference resolutionKT-51925Native: "IllegalStateException: Symbol for kotlinx.cinterop/CStructVar|null[0] is unbound" caused by inline functionKT-49317"IllegalStateException: Parent of this declaration is not a class: FUN LOCAL_FUNCTION_FOR_LAMBDA" with parameter of suspend type with the default parameterKT-51844New errors in overload resolution involving vararg extension methodsKT-52006"java.lang.Throwable: Unbalanced tree Exception" on indexing kotlin projectKT-51223Report warning about conflicting inherited members from deserialized dependenciesKT-51439FE 1.0: implement type variance conflict deprecation on qualifier type argumentsKT-51433FE 1.0: implement warnings about label resolve changesKT-51317Regression in resolution of lambdas where expected type has an extension receiver parameterKT-45935JVM IR: Add not-null assertion for explicit definitely not-null parametersKT-51818"ClassCastException: class CoroutineSingletons cannot be cast to class" with suspendCoroutineUninterceptedOrReturn and coroutinesKT-51718JVM / IR: "VerifyError: Bad type on operand stack" caused by nullable variable inside suspend functionKT-51927Native:The symbol of unexpected type encountered during IR deserializationerror when multiple libraries have non-conflicting declarations with the same nameKT-52394JVM: Missing annotation on method with value class return type when a subclass is present in the same file in Kotlin 1.7.0-BetaKT-51640FIR: remove warning about "far from being production ready"KT-45553FIR: support hiding declaration from star import by as importKT-52404Prolong deprecation cycle for errors at contravariant usages of star projected argument from JavaKT-50734TYPE_MISMATCH: NonNull parameter with a type of Nullable type argument causes compiler warningKT-51235JVM / IR: "AbstractMethodError: Receiver class does not define or inherit an implementation of the resolved method" when property with inline class type is overridden to return Nothing?KT-48935NI: Multiple generic parameter type constraints are not applied as expected when the parameter is of function typeKT-49661NI: No TYPE_INFERENCE_UPPER_BOUND_VIOLATED when argument is inferred by return typeKT-50877Inconsistent flexible typeKT-51988"NPE: getContainingDeclaration…lDeclarationType.REGULAR) must not be null" when using@BuilderInferencewith multiple type argumentsKT-48890Revert Opt-In restriction "Overriding methods can only have opt-in annotations that are present on their basic declarations."KT-52035FIR: add error in 1.7.0 branch if run on JS / Native configurationKT-45461NI: False negative TYPE_INFERENCE_UPPER_BOUND_VIOLATED when passing an argument to a function with generic constraintsKT-52146JVM IR: "AssertionError: Primitive array expected" on vararg of SAM types with self-type and star projectionKT-50730Implement error for a super class constructor call on a function interface in supertypes listKT-52040JVM: ClassFormatError Illegal method name "expectFailure$__proxy-0"KT-50845Postpone rxjava errors reporting in the strict mode till 1.8 due to found broken casesKT-51979"AssertionError: No modifier list, but modifier has been found by the analyzer" exception on incorrect Java interface overrideKT-51759FIR DFA: false positive "Variable must be initialized"KT-50378Unresolved reference for method in Jsoup library in a kts script fileKT-34919"Visibility is unknown yet" when named parameter in a function type used in a typealias implemented by an abstract classKT-51893Duplicated [OVERRIDE_DEPRECATION] on overridden propertiesKT-41034K2: Change evaluation semantics for combination of safe calls and convention operatorsKT-51843Functional interface constructor references are incorrectly allowed in 1.6.20 without any compiler flagsKT-51914False positive RETURN_TYPE_MISMATCH in intellij ultimateKT-51711Compiler warning is displayed in case there is 'if' else branch used with elvisKT-33517Kotlin ScriptEngine does not respect async code when using bindingsKT-51850FIR cannot resolve ambiguity with different SinceKotlin/DeprecatedSinceKotlinKT-44705Deprecate using non-exhaustive if's and when's in rhs of elvisKT-44510FIR DFA: smartcast after elvis with escaping lambdaKT-44879FIR DFA: Trackincanddecoperator calls in preliminary loop visitorKT-51758FIR: explicit API mode errors should not be reported for effectively internal / private entitiesKT-51203FIR: Inconsistent RETURN_TYPE_MISMATCH and TYPE_MISMATCH reporting on functions and propertiesKT-51624FIR: false-positive INAPPLICABLE_LATEINIT_MODIFIER for lateinit properties with unresolved typesKT-51204FIR IC: Incremental compilation fails on nested crossinlineKT-51798Fix ISE from IR backend when data class inherits equals/hashCode/toString with incompatible signatureKT-46187FIR: OVERLOAD_RESOLUTION_AMBIGUITY on SAM-converted callable reference to List::plusKT-51761Incorrect NONE_APPLICABLE in expect classKT-51756FIR: false positive NO_VALUE_FOR_PARAMETER in expect class delegated constructor callKT-49778Support cast to DefinitelyNotNull type in NativeKT-51441-Xpartial-linkage option specified in Gradle build script is not passed to Native linkerKT-34515NI: "AssertionError: Base expression was not processed: POSTFIX_EXPRESSION" with double not-null assertion to bracketsKT-48546PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression" with recursive property access in lazy blockKT-28109"AssertionError: No setter call" for incrementing parenthesized result of indexed access convention operatorKT-46136Unsubstituted return type inferred for a function returning anonymous object upcast to supertypeKT-51364FIR: ambiguity due to String constructors clashKT-51621FIR: visible VS invisible qualifier conflictKT-50468FIR compilers fails with CCE when meets top-level destructionKT-51557Inline stack frame is not shown for default inline lambdaKT-51358OptIn: show default warning/error message in case of empty message argumentKT-44152FIR2IR fails on declarations from java stdlib if java classes are loaded from PSI instead of binariesKT-50949PSI2IR: NSEE fromArgumentsGenerationUtilsKt.createFunctionForSuspendConversionwith providing lambda as argument with suspend typeKT-39256ArrayStoreException with list of anonymous objects with inferred types created in reified extension functionKT-39883Deprecate computing constant values of complex boolean expressions in when condition branches and conditions of loopsKT-36952Exception during codegen: cannot pop operand off an empty stack (reference equality, implicit boxing, type check)KT-51233AssertionError in JavaLikeCounterLoopBuilder with ComposeKT-51254Verify Error on passing null to type parameter extending inline classKT-50996[FIR] Support Int -> Long conversion for property initializersKT-51000[FIR] Support Int -> Long? conversionKT-51003[FIR] Consider Int -> Long conversion if expected type is type variableKT-51018[FIR] Wrong type inference if one of constraints is integer literalKT-51446Metadata serialization crashes with IOOBE when deserializing underlying inline class value with type table enabledKT-50973Redundant line number mapping for finally block with JVM IRKT-51272Incompatible types: KClass and callable reference Collection::classKT-51274"Expected some types" exception on when branch for when expression of erroneous typeKT-51229FIR: private constructor of internal data class treated as internal and not privateKT-50750[FIR] Report UNSUPPORTED on array literals not from annotation classesKT-51200False EXPOSED_PARAMETER_TYPE for internal type parameter of internal typeKT-49804False positive of UPPER_BOUND_VIOLATED and RETURN_TYPE_MISMATCHKT-51121Inconsistent SAM behavior in multiple cases causing AbstractMethodError (Kotlin 1.6.10)KT-50136FIR: syntax error on (T & Any)KT-49465FIR2IR: support definitely not-null typesKT-51357FIR: error in inference while using integer literal in expected Long positionKT-49925[FIR] Incorrect builder inference (different cases)KT-50542"IllegalStateException: Type parameter descriptor is not initialized: T declared in sort" with definitely non-null type Any & T in generic constraintKT-51171FIR: classErrorresolution problemKT-51156Multiplatform linkDebugFramework task throws NoSuchElementException when expect class constructors utilize nested enum constantKT-51017[FIR] Ambiguity on callable reference between two functions on generic receiver with different boundsKT-51007[FIR] False positive ILLEGAL_SUSPEND_FUNCTION_CALL if fun interface with suspend function declared in another moduleKT-50998[FIR] Int.inv() cal does not considered as compile time callKT-51009[FIR] Incorrect inference of lambda in position of returnKT-50997[FIR] Incorrect type of typealias for suspend functional typeKT-49714Compiler reports "'operator modifier is inapplicable" if expect class with increment operator is provided via type aliasKT-48623Type nullability enhancement improvementsKT-44623"IllegalStateException: IdSignature is allowed only for PublicApi symbols" when suspending receiver is annotated with somethingKT-46000JVM / IR: AssertionError on isSubtypeOfClass check in copyValueParametersToStatic with ComposeKT-50211Annotation Instantiation with default arguments in NativeKT-49412Controversial "type argument is not within its bounds" reported by FIRKT-48044[FIR] Investigate behavior ofUPPER_BOUND_VIOLATEDon complex casesKT-37975Don't show deprecation of enum class itself for its own memberKT-50737Inheritance from SuspendFunction leads to compiler crashKT-50723Implement a fix of reporting of uninitialized parameter in default values of parametersKT-50749Implement UNSUPPORTED reporting on array literals inside objects in annotation classesKT-50753Implement reporting errors on cycles in annotation parameter typesKT-50758Fix inconsistency of exceptions at init block for an enum entry with and without a qualifier nameKT-50182CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT: clarify error message forconstin object expressionKT-50183Fix missing apostrophe escapes in compiler error messagesKT-50788FIR: false unsafe call on not-null genericKT-50785FIR: inconsistent smart cast after comparison with trueKT-50858[FIR LL] FIR in low level mode creates multiple symbols for same declarationKT-50822Analysis API: make declaration transformers machinery to be a thread safeKT-50972FIR doesn't report VAL_REASSIGNMENT on synthetic propertiesKT-50969FIR: diamond inheritance with different parameter types depends on a supertype orderKT-50875FIR: no smart cast after reassignment with elvisKT-50835Inline functions with suspend lambdas break the tail-call optimizationKT-49485JVM / IR: StackOverflowError with long when-expression conditionsKT-35684NI: "IllegalStateException: Expected some types" from builder-inference about intersecting empty types on trivial codeKT-50776FIR: ambiguity between Sequence.forEach and Iterable.forEachKT-48908Error for annotation on parameter type could have distinct ID and message referring 1.6KT-48907SUPERTYPE_IS_SUSPEND_FUNCTION_TYPE error could have message referring version 1.6KT-50774FIR2IR: NSEE in case of lambda in enum entry constructor callKT-49016Drop QUALIFIED_SUPERTYPE_EXTENDED_BY_OTHER_SUPERTYPE diagnosticKT-34338Parameterless main causes duplicate JVM signature errorKT-50577JVM_IR: No NPE when casting uninitialized value of non-null type to non-null typeKT-50476JVM_IR: NSME when calling 'super.removeAt(Int)' implemented in Java interface as a default methodKT-50257JVM_IR: Incorrect bridge delegate signature for renamed remove(I) causes SOE with Kotlin class inherited from fastutils IntArrayListKT-50470FIR: inapplicable candidate in delegate inference due to nullabilityKT-32744Inefficient compilation of null-safe call (extra null checks, unreachable code)Docs & Examples
KT-52032Document performance optimizations of the Kotlin/JVM compiler in 1.7.0KT-49424Update KEEP for OptInIDE
Fixes
KTIJ-21735Exception when opening a projectKTIJ-17414UAST: Synthetic enum methods have null return valuesKTIJ-17444UAST: Synthetic enum methods are missing nullness annotationsKTIJ-19043UElement#comments is empty for a Kotlin property with a getterKTIJ-10031IDE fails to suggest a project declaration import if the name clashes with internal declaration with implicit import from stdlib (ex.@Serializable)KTIJ-21515Load JVM target 1.6 as 1.8 in Maven projectsKTIJ-21151Exception about wrong read access from "Java overriding methods searcher" with Kotlin overridesKTIJ-20736NoClassDefFoundError: Could not initialize class org.jetbrains.kotlin.idea.roots.KotlinNonJvmOrderEnumerationHandler. Kotlin plugin 1.7 fails to startKT-50111Resolving into KtUltraLightMethodKTIJ-21063IDE highlighting: False positive error "Context receivers should be enabled explicitly"KTIJ-20810NoClassDefFoundError: org/jetbrains/kotlin/idea/util/SafeAnalyzeKt errors in 1.7.0-master-212 kotlin plugin on project openKTIJ-19088KotlinUFunctionCallExpression.resolve() returns null for calls to@JvmSyntheticfunctionsKTIJ-17869KotlinUFunctionCallExpression.resolve() returns null for instantiations of local classes with default constructorsKTIJ-21061UObjectLiteralExpression.getExpressionType() returns the base class type for Kotlin object literals instead of the anonymous class typeKTIJ-20200UAST:@Deprecated(level=HIDDEN)constructors are not returning UMethod.isConstructor=trueKTIJ-19624NoDescriptorForDeclarationException on iosTest.kt.vmIDE. Code Style, Formatting
KTIJ-20554Introduce some code style for definitely non-null typesIDE. Completion
KTIJ-14740Multiplatform declaration actualised in an intermediate source set is shown twice in a completion popup called in the source setIDE. Debugger
KTIJ-20815MPP Debugger: Evaluation of expect function for the project with intermediate source set may fail with java.lang.NoSuchMethodErrorIDE. Decompiler, Indexing, Stubs
KTIJ-21472"java.lang.IllegalStateException: Could not read file" exception on indexing invalid class fileKTIJ-20802Definitely Not-Null types: "UpToDateStubIndexMismatch: PSI and index do not match" plugin error when trying to use library function with T&AnyKT-51248Function and parameter names with special symbols have to backtickedIDE. FIR
KTIJ-20443FIR IDE: Work in Dumb modeKTIJ-21374FIR IDE: Incorrect highlighting for operatorsKTIJ-21013FIR IDE: Inconsistent smartcasts highlightingKTIJ-21343FIR IDE: Navigation from explicit invoke call does not workKTIJ-20852FIR IDE: Exception when checkingisInheritoron two classes in different modulesKTIJ-21021FIR IDE: Completion of extension function does not work on nullable receiverKTIJ-20637FIR IDE: Strange exception while commenting-uncommenting FirReferenceResolveHelper.ktKTIJ-20971FIR IDE: "Parameter Info" shows parameters of uncallable methodsIDE. Gradle Integration
KTIJ-21807Gradle to IDEA import: language and API version settings are not imported for Native facetKTIJ-21692Kotlin Import Test maintenance: 1.7.0-BetaKTIJ-20567Kotlin/JS: Gradle import into IDEA creates no proper sub-modules, source sets, facetsIDE. Hints. Inlay
KTIJ-20552Support definitely non-null types in inlay hintsIDE. Inspections and Intentions
New Features
KTIJ-18979Quickfix for INTEGER_OPERATOR_RESOLVE_WILL_CHANGE to add explicit conversion callKTIJ-19950Provide quickfixes forINVALID_IF_AS_EXPRESSION_WARNINGandNO_ELSE_IN_WHEN_WARNINGKTIJ-19866Create quick-fix for effective visibility error on private-in-file interface exposing private classKTIJ-19939Provide quickfix for deprecated confusing expressions in when branchesFixes
KTIJ-20705Register quickfix forNO_CONSTRUCTOR_WARNINGdiagnosticKTIJ-21226"Remove else branch" quick fix is not suggestedKTIJ-20981Definitely non-null types: quick-fixes suggested incorrectly for LV=1.6 when Xenhance-type-parameter-types-to-def-not-null flag is setKTIJ-20953Add quickfix for OVERRIDE_DEPRECATION warning to 1.7 - 1.9 migrationKTIJ-20734Replace with [@JvmInline] value quick fix should be appliable on a whole projectKTIJ-21420Add 'else' branch quick fix suggestion is displayed twice in case 'if' isn't completedKTIJ-21192"Make protected" intention is redundant for interface propertiesKTIJ-18120"Make public" intention does not add explicit "public" modifier when using ExplicitApi Strict modeKTIJ-20493"Create expect" quick fix doesn't warn about platform-specific annotationsIDE. Misc
KTIJ-21582Notification for Kotlin EAP surveyIDE. Multiplatform
KT-49523Improve environment setup experience for KMM projectsKT-50952MPP: Commonized cinterops doesn't attach/detach to source set on configuration changesIDE. Native
KT-44329Improve UX of using Native libraries in KotlinKTIJ-21602With Native Debugging Support plugin Gradle run configurations can't be executed from IDEA: LLDB_NATVIS_RENDERERS_ENABLEDIDE. Wizards
KTIJ-20919Update ktor-html-builder dependency in kotlin wizardsKTIJ-20962Wizard: Invalid Ktor importsJavaScript
New Features
KT-51735KJS / IR: Minimize member names in production modePerformance Improvements
KT-51127Kotlin/JS - IR generates plenty of uselessUnit_getInstance()KT-50212KJS IR: Upcast should be a no-opKT-16974JS: Kotlin.charArrayOf is suboptimal due to Rhino bugsFixes
KT-44319JS IR BE: Add an ability to generate separate JS files for each moduleKT-52518Kotlin/JS IR: project with 1.6.21 fails to consume library built with 1.7.0-RC: ISE "Unexpected IrType kind: KIND_NOT_SET" at IrDeclarationDeserializer.deserializeIrTypeData()KT-52010K/JS IR: both flows execute when using elvis operatorKT-41096KJS IR:@JsExportshould use original js name for external declarationsKT-52144KJS / IR: Missing property definitions for interfaced defined propertiesKT-52252KJS / IR: overridden properties are undefined/nullKT-51973KJS / IR overridden properties of inherited interface missingKT-51125Provide a way to useimportkeyword injsexpressionsKT-40888KJS / IR: Missing methods are no longer generated (polyfills)KT-50504KJS / IR: Transpiled JS incorrectly uses the unscrambled names of internal fieldsKT-51853JS compilation fails with "Uninitialized fast cache info" errorKT-51205K/JS IR: external class is mapped to anyKT-50806Typescript definitions contain invalid nested block comments with generic parent and type argument without@JsExportKT-51841KJS / IR: No flat hash for FUN FAKE_OVERRIDE with kotlin.incremental.js.ir=trueKT-51081KJS / IR + IC: Passing an inline function with default params as a param to a higher-order function crashes the compilerKT-51084KJS / IR + IC: Cache invalidation doesn't check generic inline functions reified qualifierKT-51211K/JS IR: JsExport: Can't export nested enumKT-51438KJS / IR: Duplicated import names for the same external namesKT-51238Kotlin/JS: IR + IC: build fails after clean oncompileTestDevelopmentExecutableKotlinJstask: "Failed to create MD5 hash for file '.../build/classes/kotlin/main' as it does not exist"KT-50674KJS / IR: JS code cannot modify local variableKT-50953KJS IR: Incorrect nested commenting in d.tsKT-15223JS: function that overrides external function withvarargparameter is translated incorrectlyKT-50657KJS / IR 1.6.20-M1-39 - Date in Kotlin JS cannot be created from long.Language Design
New Features
KT-45618Stabilize builder inferenceKT-30485Underscore operator for type argumentsKT-49006Support at least three previous versions of language/APIKT-16768Context-sensitive resolution prototype (Resolve unqualified enum constants based on expected type)KT-14663Support having a "public" and a "private" type for the same propertyKT-50477Functional conversion does not work on suspending functionsKT-32162Allow generics for inline classesFixes
KT-12380Support sealed (exhaustive) whensKT-27750Reverse reservation of 'yield' as keywordKT-22956Release OptIn annotationsKT-44866Change behavior of private constructors of sealed classesKT-49110Prohibit access to members of companion of enum class from initializers of entries of this enumKT-29405Switch default JVM target version to 1.8Libraries
New Features
KT-50484Extensions for java.util.Optional in stdlibKT-50146Reintroduce min/max(By/With) operations on collections with non-nullable return typeKT-46132Specialized default time source with non-allocating time marksKT-41890Support named capture groups in Regex on NativeKT-48179Introduce API to retrieve the number of CPUs the runtime hasPerformance Improvements
KT-42178Range and Progression should override last()Fixes
KT-42436Supportjava.nio.Pathextension in the standard libraryKT-51470Stabilize experimental API for 1.7KT-51775JS: Support named capture groups in RegexKT-51776Native: Support back references to groups with multi-digit indexKT-51082Introduce Enum.declaringJavaClass propertyKT-51848Promote deepRecursiveFunction to stable APIKT-48924KJS:toStringin base 36 produces different results in JS compare to JVMKT-50742Regular expression is fine on jvm but throws PatternSyntaxException for native macosX64 targetKT-50059Stop publishing kotlin-stdlib and kotlin-test artifacts under modular classifierKT-26678Rename buildSequence/buildIterator to sequence/iteratorNative
KT-49406Kotlin/Native: generate standalone executable for androidNative targets by defaultKT-48595Enable Native embeddable compiler jar in Gradle plugin by defaultKT-51377Native: synthetic forward declarations are preferred over commonized definitionsKT-49145Kotlin/Native static library compilation fails for androidNative*KT-49496Gradle (or the KMM plugin) is caching the Xcode Command Line Tools locationKT-49247gradle --offline should translate into airplaneMode for kotin-native compilerNative. Build Infrastructure
KT-52259kotlin-native releases from GitHub don't contain platform libsNative. C and ObjC Import
KT-49455Methods from Swift extensions are not resolved in Kotlin shared moduleKT-50648Incorrect KMM cinterop conversionNative. ObjC Export
KT-50982RuntimeAssertFailedPanic in iOS when Kotlin framework is initialized before loadingKT-49937Kotlin/Native 1.5.31: 'runtime assert: Unexpected selector clash' when 'override fun toString(): String' is usedNative. Platforms
KT-52232Kotlin/Native: simplify toolchain dependency override for MinGWNative. Runtime
KT-52365Kotlin/Native fails to compile projects for 32-bit targets when new memory manager is enabledNative. Runtime. Memory
KT-48537Kotlin/Native: improve GC triggers in the new MM.KT-50713Kotlin/Native: Enable Concurrent Sweep GC by defaultNative. Stdlib
KT-50312enhancement: kotlin native -- add alloc<TVarOf>(T)Native. Testing
KT-50316Kotlin/Native: Produce a list of available tests alongside the final artifactKT-50139Create tests for Enter/Leave frame optimizationReflection
KT-27598"KotlinReflectionInternalError" when usingcallByon constructor that has inline class parametersKT-31141IllegalArgumentException when reflectively accessing nullable property of inline class typeTools. CLI
KT-52409Report error when use-k2 with MultiplatformKT-51717IllegalArgumentException: Unexpected versionNeededToExtract (0) in 1.6.20-RC2 with useFir enabledKT-52217Rename 'useFir' to 'useK2'KT-29974Add a compiler option '-Xjdk-release' similar to javac's '--release' to control the target JDK versionKT-51673Make language version description not in capital lettersKT-48833-Xsuppress-version-warnings allows to suppress errors about unsupported versionsKT-51627kotlinc fails withjava.lang.RuntimeExceptionif/tmp/build.txtfile exists on the diskKT-51306Support reading language settings from an environment variable and overriding the current settings by themKT-51093"-Xopt-in=..." command line argument no longer worksTools. Commonizer
KT-43309Overwrite return type and parameter types of callable member to succeed commonizationKT-52050[Commonizer] 'platform.posix.DIR' not implementing 'CPointed' when commonized for 'nativeMain' on linux or windows hostsKT-51224MPP: For optimistically commonized numbers missed kotlinx.cinterop.UnsafeNumberKT-51215MPP: Update Kdoc description for kotlinx.cinterop.UnsafeNumberKT-51686Cinterop: Overload resolution ambiguity in 1.6.20-RC2KT-46636HMPP: missed classes fromplatform.posix.*KT-51332Optimistic number commonization is disabled by default in KGP with enabled HMPPTools. Compiler Plugins
KT-50992jvm-abi-gen breaks inline functions in inline classes with private constructors in Kotlin 1.6.20Tools. Daemon
KT-32885KT. Kotlin daemon compilation process is broken: java.lang.IllegalStateException Service is dying at entities generation by Kotlin.kts scriptTools. Gradle
New Features
KT-49227Support Gradle plugins variantsKT-50869Provide API that allow AGP to set up Kotlin compilationKT-48008Consider offering a KotlinBasePluginKT-52030Provide experimental possibility to view internal information about Kotlin Compiler performancePerformance Improvements
KT-52141Optimize Java class snapshotting for thekotlin.incremental.useClasspathSnapshotfeatureKT-51978Optimize classpath snapshot cache for thekotlin.incremental.useClasspathSnapshotfeatureKT-51326Kotlin-gradle-plugin performance issue with mass java SourceRootsFixes
KT-52448Compilation tasks are missing input/output/internal annotations on includes/excludes propertiesKT-52239Type based task configuration-blocks for JVM stopped working in GradleKT-52313No recompilation in Gradle after adding or removing function parameters, removing functions (and maybe more) in dependent modulesKT-51854Add Ktor to gradle performance benchmarkKT-52086Rename flag 'use-fir' to 'use-k2'KT-52509Main variant published to Gradle plugin portal uses unshadowed artifactKT-52392Gradle: 1.7.0 does not support custom gradle build configuration on Windows OSKT-32805KotlinCompile inherits properties sourceCompatibility and targetCompatibility which breaks Gradle's incremental compilationKT-52189Provide Gradle Kotlin/DSL friendly deprecated classpath property in KotlinCompiler taskKT-51415Confusing build failure reason is displayed in case kapt is used and different JDKs are used for compileKotlin and compileJava tasksKT-52187New IC can not be enabled in an Android project using kaptKT-51898Upgrading Kotlin/Kotlin Gradle plugin to 1.5.3 and above breaks 'com.android.asset-pack' pluginKT-51913Gradle plugin should not add attributes to the legacy configurationsKT-34862Restoring from build cache breaks Kotlin incremental compilationKT-45777New IC in GradleKT-51360Show performance difference in percent between releasesKT-51380Add open-source project using Kotlin/JS plugin to build regression benchmarksKT-51937Toolchain usage with configuration cache prevents KotlinCompile task to be UP-TO-DATEKT-48276Remove kotlin2js and kotlin-dce-pluginKT-52138KSP could not access internal methods/properties in Kotlin Gradle PluginKT-51342Set minimal supported Android Gradle plugin version to 3.6.4KT-50494Remove kotlin.experimental.coroutines Gradle DSL optionKT-49733Bump minimal supported Gradle version to 6.7.1KT-48831Remove 'KotlinGradleSubplugin'KT-47924Remove annoying cast in toolchain extension method for Kotlin DSLKT-46541Fail Gradle builds when deprecated kotlinOptions.jdkHome is setKT-51830Gradle: deprecatekotlin.compiler.execution.strategysystem propertyKT-47763Gradle DSL: Remove deprecated useExperimentalAnnotation and experimentalAnnotationInUseKT-51374NoSuchFileException in getOrCreateSessionFlagFile()KT-51837kotlin-gradle-plugin:1.6.20 fails xray scan on shadowed Gson 2.8.6.KT-51454KotlinJvmTest is not a cacheable taskKT-45745Migrate only Kotlin Gradle Plugin tests to new JUnit5 DSL and run them separately on CIKT-47318Remove deprecated 'kotlinPluginVersion' property in `KotlinBasePluginWrapper'KT-51378Gradle 'buildSrc' compilation fails when newer version of Kotlin plugin is added to the build script classpathKT-46038Gradle:kotlin_modulefiles are corrupted in the KotlinCompile output, and gets cachedKT-51064Kotlin gradle build hangs on MetricsContainer.flushKT-48779Gradle: Could not connect to kotlin daemonTools. Gradle. Cocoapods
KT-50622Cocoapods Plugin: cocoapods-generate does not work correctly with ruby 3.0.0 and higherKT-51861Custom binary name in CocoaPods plugin isn't respected by fatFramework taskTools. Gradle. JS
KT-52221Kotlin/JS: failed Node tests are not reported in a standard wayKT-51895K/JS: Redundant technical messages during JS testsKT-51414Allow set up environment variables for JS testsKT-51623Kotlin/JS: Mocha could not failed when external module not foundKT-51503Update NPM dependency versionsTools. Gradle. Multiplatform
New Features
KT-51386[KPM] IdeaKotlinProjectModelBuilder: Implement dependenciesFixes
KT-49524Improve DSL for managing Kotlin/Native binary outputKT-51765com.android.lint in multiplatform project without android target should not trigger warningKT-38456MPP with Android source set: allTests task does not execute Android unit testsKT-44227Common tests are not launched on local JVM for Android via allTests task in a multiplatform projectKT-51946Temporarily mark HMPP tasks as notCompatibleWithConfigurationCache for Gradle 7.4KT-52140Support extensibility Kotlin Artifacts DSL by external gradle pluginsKT-51947Mark HMPP tasks as notCompatibleWithConfigurationCache for Gradle 7.4 using ReflectionKT-50925Could not resolve all files for configuration ':metadataCompileClasspath'KT-51262[KPM] IDEA import: Move model builder to KGPKT-51220[KPM][Android] Implement generic data storage and import pipelineKT-48649No run task generated for macosArm64 target in Gradle pluginTools. Gradle. Native
KT-47746Allow customization of the Kotlin/Native compiler download urlKT-51884Gradle Native: "A problem occurred starting process 'command 'xcodebuild''" when buildingassembleFooXCFrameworktask on LinuxTools. Incremental Compile
KT-51546FIR incremental compilation fails with assertion "Trying to inline an anonymous object which is not part of the public ABI"KT-49780IncrementalCompilerRunner bug: Outputs are deleted after successful rebuild following fallback from an exceptionKT-44741Incremental compilation: inspectClassesForKotlinIC doesn't determine changes with imported constantTools. JPS
KTIJ-17280JPS: don't use java.io.File.createTempFile as it is not working sometimesKTIJ-20954NPE at at org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil.readNameResolver on compiling by JPS with LV > 1.7Tools. Kapt
KT-49533Make kapt work out of the box with latest JDKsKT-52284FIR: add error in 1.7.0 branch if run with KaptKT-51463KAPT: Incremental compilation not working when rerunning unit testsKT-51132KAPT: Support reporting the number of generated files by each annotation processorKT-30172Kapt: Shutdown kotlinc gracefully in case of error in annotation processorTools. Scripts
KT-49173Add support for nullable types in provided properties and other configuration-defined declarationsKT-52294[Scripting] Update oudated org.eclipse.aether dependencies to new org.apache.maven.resolverKT-51213Kotlin JSR223 crashes with "ScriptException: ERROR java.lang.NullPointerException:" if bindings contain one or more null valuesKT-48812Script: "IllegalStateException: unknown classifier kind SCRIPT" when passing a function reference to a FlowKT-50902Scripts loaded from the compilation cache ignore theloadDependencieseval configuration propertyKT-52186Scripts: Backend Internal error: Exception during IR lowering when using symbol from a dependency inside a functionKT-51731Script: jsr223 memory leak in spring-boot Fat JarKT-49258Scripts: method 'void ()' not found with multiple evals using kotlin script JSR223KT-51346Scripts: "BackendException: Exception during IR lowering" with variable of imported script inside classChecksums
v1.6.21: Kotlin 1.6.21Changelog
Compiler
KT-51979"AssertionError: No modifier list, but modifier has been found by the analyzer" exception on incorrect Java interface overrideKT-51893Duplicated [OVERRIDE_DEPRECATION] on overridden propertiesKT-51927Native:The symbol of unexpected type encountered during IR deserializationerror when multiple libraries have non-conflicting declarations with the same nameKT-51843Functional interface constructor references are incorrectly allowed in 1.6.20 without any compiler flagsKT-51672JVM IR: Inline class mangling issue in interface default methods split across multiple modulesKT-51711Compiler warning is displayed in case there is 'if' else branch used with elvisKT-49317"IllegalStateException: Parent of this declaration is not a class: FUN LOCAL_FUNCTION_FOR_LAMBDA" with parameter of suspend type with the default parameterIDE. Native
KTIJ-20819Native debugging support: "Debug is impossible without lldb binaries required by Kotlin/Native" on "Attach to process"JavaScript
KT-52010K/JS IR: both flows execute when using elvis operatorKT-51973KJS / IR overridden properties of inherited interface missingKT-50504KJS / IR: Transpiled JS incorrectly uses the unscrambled names of internal fieldsTools. Gradle
KT-51837kotlin-gradle-plugin:1.6.20 fails xray scan on shadowed Gson 2.8.6.Tools. Gradle. Multiplatform
KT-51810MPP / Gradle: Dependency locking fails with 1.6.20KT-51765com.android.lint in multiplatform project without android target should not trigger warningChecksums
v1.6.20: Kotlin 1.6.20Changelog
Compiler
New Features
KT-48217Add an annotation JvmDefaultWithCompatibility to allow generating DefaultImpls classes if -Xjvm-default=all option is usedKT-49929[FIR] Support programmatic creation of annotation class instancesKT-49276Warn about potential overload resolution change if Range/Progression starts implementing CollectionKT-47902Do not propagate method deprecation through overridesKT-49857Require Xcode 13 for building Kotlin/Native compilerKT-47701Support instantiation of annotation classes on NativeKT-46085Support experimental parallel compilation of a single module in the JVM backendKT-46603Generate SAM-conversions to Java interfaces extending 'java.io.Serializable' as serializable using java.lang.invoke.LambdaMetafactoryPerformance Improvements
KT-50156HMPP: Slow frontend/ide performance in OKIO (ExpectActualDeclarationChecker)KT-50073Performance regression in adapted function referencesKT-50076Performance regression in super call to an interface member in $DefaultImplsKT-50080Performance regression in string template with generic property with primitive upper boundKT-50084Performance regression in concatenation with 'String?'KT-50078Performance regression in for-in-array loopKT-50039Performance regression in inner class constructor call with default parametersKT-48784An anonymous class has fields for variables that are only used in the constructorKT-42010Generate IINC instruction for postfix increment in JVM_IRKT-48433JVM_IR don't generate null check on 'this$0' parameter of inner class constructorKT-48435JVM_IR ConstForLoopBenchmark performance regressionKT-48507JVM_IR ForLoopBenchmark regressionsKT-48640Performance regression in 'longDownToLoop' benchmarksKT-29822Generate specialized bytecode for loops withIndex over unsigned arraysKT-48669Generate optimizable counter loop for loops over indices of unsigned arraysKT-49444Possible performance degradation with UInt downTo loopKT-48944Possible performance regression with comparison of local KFunctionsKT-17111Eliminate redundant store/load instructions when the value stored is simpleKT-36837Generate more compact code for for-in-range loop in JVM_IRKT-48947JVM / IR Possible performance regression with string templatesKT-48931JVM / IR: Performance degradation with string concatenationKT-36654Generate more compact bytecode for safe call in JVM_IRFixes
KT-24643Prohibit using a type parameter declared for an extension property inside delegateKT-51747MakeKtCallableDeclaration.getContextReceiversdefault to preserve compatibilityKT-49658NI: False negative TYPE_MISMATCH on nullable type withwhenKT-43493NI: @BuilderInference prevents compilation error of "Operator '==' cannot be applied to 'Long' and 'Int'"KT-51649Kotlin/Native: reduce binary size of watchosArm32 and iosArm32 targets by limiting inlining of runtime functionsKT-48626JVM IR: incorrect behavior for captured for-loop parameter since 1.6.20-dev-723KT-51036JVM / IR: "NullPointerException: Parameter specified as non-null is null" with synchronized and companion objectKT-51471Native: incorrect debug information when inheriting suspend fun invoke implementationKT-51352"ClassCastException: class ScopeCoroutine cannot be cast to class Iterable" caused by coroutines and context receiversKT-51271"ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3" with inlining of context functionKT-47084JVM IR: "AssertionError: inconsistent parent function for CLASS LAMBDA_IMPL" with tailrec function default parameter nested inline lambdaKT-30616Script: "Don't know how to generate outer expression" for top-level variable reference from static context (companion object, enum)KT-50520"NPE: containingDeclaration.ac…lDeclarationType.REGULAR) must not be null" with implicit type on self-referencing lambda in a builderKT-51353IncompatibleClassChangeError: Expected non-static field com.soywiz.korim.color.Colors.BLACKKT-48945JVM IR: special bridge forgetis not generated in a Map subclassKT-48499Interface call with an inline/value parameter generates AbstractMethodError after rebuilding the module, but NOT the file.KT-49998JVM: missing default value for annotation parameter of an unsigned typeKT-49793JVM:IncompatibleClassChangeError: Expected non-static fieldwhen property delegation uses receiver of another delegated propertyKT-51302Kotlin/Native 1.6.20-M1 compiler fails because of assertion in NativeAnnotationImplementationTransformerKT-51148"AssertionError: At this stage there should be no remaining variables with proper constraints" caused by two type parametersKT-50970Kotlin/Native: use arm instruction set instead of thumb-2 for iosArm32 and watchosArm32 targetsKT-50843Kotlin/Native: LLVM constant merge pass does not work for Kotlin constantsKT-51157JVM / IR: "IndexOutOfBoundsException: Index: 1, Size: 1" caused by interface hierarchy and UInt method parameterKT-50498Exception after analysing an erroneous lambdaKT-50258equals()returnsfalseon the same enum instances if we check it for the second time inwhenKT-51062Progressions resolve changing warning isn't reported for Java methodsKT-48544JVM / IR: "UnsupportedOperationException: Unknown structure of ADAPTER_FOR_CALLABLE_REFERENCE" with callable reference::arrayOfKT-50978[Native] Error while building static cache: NoSuchElementException at IrTypeInlineClassesSupport.getInlinedClassUnderlyingType(InlineClasses.kt:341)KT-50977[Native] Error while building static cache: IllegalStateException: Class CLASS ENUM_ENTRY is not found at KonanIrlinkerKt.findClass(KonanIrlinker.kt:229)KT-50976[Native] Error while building static cache: IllegalStateException: No descriptor found at DescriptorByIdSignatureFinder.findDescriptorForPublicSignature(DescriptorByIdSignatureFinder.kt:157)KT-51040Type inference fails on 1.6: "Cannot use 'CapturedType(*)' as reified type parameter" with EnumSet and elvis operatorKT-51080Line number in mapping for the first instruction is lostKT-49526JVM IR: Function reference with non-denotable intersection type argument is not inlined and is incorrectly approximatedKT-50399Error: unexpected variance in super type argument: out@0KT-50649JVM IR: ClassCastException when returning Result as generic typeKT-50617JVM IR: java.lang.IndexOutOfBoundsException "Empty list doesn't contain element at index 0" when class and interface have the same name and extension function is usedKT-50856SAM conversion generates invalid bytecode for genericsKT-45693False negative INCOMPATIBLE_TYPES withwhenwith generic subjectKT-49903JVM IR: InlineOnly optimization leads to behavior change for println with mutating System.outKT-51022Fix error messages for resolution ambiguity with stub typesKT-51035PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression:" caused by recursive call of java functionKT-50797Implement fix for false negative UPPER_BOUND_VIOLATED with generic typealias using not all type parameters as arguments for underlying typeKT-50878Usage of contextual declarations from third-party library is allowed without-Xcontext-receiversKT-49829Wrong "cast can never succeed" diagnostic with builder inferenceKT-49828Improve builder inference diagnostics with overload resolution ambiguityKT-50989CCE cause by EmptySubstitutor in ResolutionWithStubTypesCheckerKT-49729Implement deprecation warning for private constructors of sealed classesKT-49349Implement deprecation for invalid if as expression in rhs of elvisKT-46285[SEALED_SUPERTYPE_IN_LOCAL_CLASS] Error message isn't adopted to local objects and sealed interfacesKT-49002Allow OptIn marker on override if base class has the same markerKT-48899Report warnings on overrides with wrong types nullabilityKT-49461Implement prohibitation of access to members of companion of enum class from initializers of entries of this enumKT-49754Kotlin/JS:@JsExporton enum class reports NON_EXPORTABLE_TYPE warningKT-49598Misleading error message "Using @JvmRecord is only allowed with -jvm-target 15 and -Xjvm-enable-preview flag enabled"KT-44133Inline classes: class literal in annotation arguments uses underlying typeKT-47703ClassCastException: Programmatically created annotation can't hold Array<KClass<*>>KT-47549JVM / IR: Null argument in ExpressionCodegen for parameter VALUE_PARAMETER CONTINUATION_CLASS caused by suspend function inside "fun interface" in another fileKT-50120HMPP: False positive [NO_VALUE_FOR_PARAMETER] for expect function usagesKT-49864JVM IR: NoSuchMethodError calling default interface method with inline class return type in -Xjvm-default=all modeKT-49812JVM / IR: "java.lang.VerifyError: Bad return type" when using Result type attribute + extension function with same nameKT-49936Extension property in a data class with the same name as the constructor parameter leads to incorrect component function being resolved and generatedKT-48181"ISE: Null argument in ExpressionCodegen for parameter VALUE_PARAMETER" on creating instance of kotlin.MetadataKT-50215VerifyError caused by missing cast after is check in whenKT-49977"Parameter specified as non-null is null" when inline class implements interface method with default parametersKT-50385DUPLICATE_LABEL_IN_WHEN is reported on incorrect branchesKT-49092JVM: ArrayIndexOutOfBoundsException on compiling call withifexpression and TODO() argumentsKT-48987JVM / IR: Smartcast, which never succeed, crashes the compilerKT-50277Invalid bytecode generated for inline lambda in suspend functionKT-50219FIR DFA/CFA: no smart cast after null check and assignmentKT-44561FIR DFA: extract non-null info from comparison against variable with initial constant valueKT-44560FIR DFA: propagate non-null info to original variables in not-null assertion or cast expressionKT-50278FIR: accidental resolve to inaccessible value parameterKT-47483JVM IR: "NoSuchElementException: Sequence contains no element matching the predicate" on compiling Array instantiation with TODOKT-50304EXC_BAD_ACCESS at IntrinsicsNative.kt starting coroutine on object with suspend fun as supertypeKT-49765JVM: ClassCastException when trying to add object to EmptyListKT-46879"AssertionError: Stack should be spilled before suspension call" with Flow and reified typeKT-50172"AssertionError: Not a callable reflection type" on local function reference with the same name as local variableKT-49443JVM IR, Script: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" with constructor call of class that has a top-level extension function callKT-50193Garbage collection is not working the same way after jvm-ir-backend changeKT-19424Compilation exception for script with property delegate calling operator invoke on an objectKT-43995Script: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" if companion object initializer calls method on listKT-47000Allow graceful migration to -Xjvm-default=all-compatibility by allowing to inherit from interfaces even in the old (-Xjvm-default=disable) modeKT-50180FIR: not enough information to infer type variable for definitely not null typeKT-50163FIR: ISE unsupported compile-time value BLOCK on complex annotationsKT-50171JVM IR: "UninitializedPropertyAccessException: Parent not initialized: IrVariableImpl" on SAM-converted property setter reference with Double parameter inside lambdaKT-50140Internal error on explicit string concatenation of generic type value with 'String' upper boundKT-49992Anonymous object should not have access to private members from supertypesKT-49973Check existing of default error message for all diagnosticsKT-50019Property delegated to callable reference: "ISE: Local class should have its name computed in InventNamesForLocalClasses" with -Xno-optimized-callable-referencesKT-49645JVM / IR: "IllegalStateException: Local class should have its name computed" caused by default suspend function in interface and value classKT-50028Incorrect implicit casts from UnitKT-49615JVM / IR: "Exception during IR lowering" with list of value classes with non-trivial constructor inside suspend lambdaKT-49127FIR: smart cast is not performed after comparisonKT-48708Incorrect cast from Unit to IntKT-48376FIR: False positive UNITIALIZED_VARIABLE after try/finally with return from tryKT-48113FIR: (false) positive EQUALITY_NOT_APPLICABLE for intersection with platform typeKT-48305FIR: incorrect raw type castKT-48378FIR: synthetic accessor lowering should not attempt to modify other filesKT-48634FIR: false property-setter-function resolve cycleKT-48621FIR: SyntheticAccessorLowering should not attempt to modify other files for protected JvmFieldKT-48381Invalid LLVM module: verification failure of createInlineClassInArgumentPosition.ktKT-48527Native: top-level properties in files with@Testfunctions are initialized eagerly even if lazy initialization is enabledKT-48559IllegalArgumentException: Unexpected super type argument: *@ 0during IR loweringKT-48687IR dump mismatch after deep copy with symbols in IR text testKT-44811[FIR] Exception in body resolve of new contractsKT-48363FIR behaves differently in case of resolution between classifier and top-level propertyKT-48801"AssertionError: Stack should be spilled before suspension call" with Flow and crossinlineKT-46389JVM / IR: "ClassCastException: class IrGetValueImpl cannot be cast to class IrConst" with inheritance of supertypes member functions with similar signaturesKT-47797Regression during migration to 1.6 in compilerKT-47987Can't infer a postponed type variable based on callable reference receiver typeKT-48446"IllegalStateException: IrErrorType (getErasedUpperBound)" caused by suspend function referenceKT-48651Collect intermediate annotations during type expandingKT-48754JVM IR: in EnclosingMethod leads to IncompatibleClassChangeError on Android 5.0KT-45034Use the new type inference for top-level callable referencesKT-49001OptIn marker should spread from class to its members, taking into account real dispatch receiver typeKT-49038Generics are discriminated during callable references resolution (false negative)KT-48954JVM IR: IllegalAccessError when using Java method reference in constructorKT-48284JVM / IR: "IllegalStateException: Function has no body: FUN STATIC_INLINE_CLASS_REPLACEMENT" caused by inline member toString of value class and string interpolationKT-49053JVM / IR: "AssertionError: Unbound symbols not allowed" on inheriting a protected Java method that returns a package private class from a differently-named fileKT-49106JVM: infinite recursion with overridden default suspend interface method where override calls superKT-45345FIR DFA:FirDataFlowAnalyzerseems to add wrong type constraints for type parametersKT-44513FIR DFA: extract non-null info from x?.y!!KT-44559FIR DFA: propagate non-null info from not-null assertion (!!)KT-49073FIR: REDUNDANT_MODIFIER and DEPRECATED_MODIFIER_PAIR should be warningsKT-46371FIR: Investigate FunctionType -> ExtensionFunctionType coercionKT-49078FIR: false positive TYPE_VARIANCE_CONFLICTKT-47135FIR: local class references does not compileKT-48600NON_TAIL_RECURSIVE_CALL missing for calls inside lambdaKT-48602NON_TAIL_RECURSIVE_CALL missing for calls with explicit dispatch receiver to a singletonKT-48982JVM / IR: KotlinNothingValueException caused by function with local objectKT-49087FIR: false positive REPEATED_ANNOTATIONKT-48648JVM IR: "AssertionError: Should be primitive or nullable primitive type" with @JvmField generic property with Number upper boundKT-49069FIR: False positive INAPPLICABLE_JVM_NAME on getterKT-49203JVM IR: "AssertionError: Unbound symbols not allowed" with lateinit var andplusAssignoperator convention callKT-48993JVM / IR: "IllegalStateException: Validation failed in file <multi-file facade ...>" using @JvmMultifileClass and one of the symbols in the file exposes a @JvmInline value classKT-48938FIR: Investigate how priorities should work in case SAM-conversion + type parametersKT-49129FIR: false positive of INNER_CLASS_OF_GENERIC_THROWABLE_SUBCLASSKT-49076FIR: false positive "An annotation argument must be compile-time constant" on array of importsKT-49222FIR: StackOverflow in MethodSignatureMapperKT-49083FIR erroneously requires default value parameters for override calls when imported from objectKT-49135FIR: ambiguity between type alias and functionKT-49134FIR makes no difference between lambda with empty parameter list and without explicit parameter listKT-49301FIR: Unresolved reference: for object inherited from inner classKT-49070FIR: ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED with type parameter / class conflictKT-49133FIR: protected java.lang.Throwable constructor is not availableKT-49407JVM / IR: "java.lang.VerifyError: Bad local variable type" with "Int.mod" inside "Long.mod" and non-trivial argumentKT-44975SUBCLASS_CANT_CALL_COMPANION_PROTECTED_NON_STATIC: confusing error messageKT-38698MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED error message: interface is called a "class"KT-45001Confusing warning message "This class can only be used with the compiler argument" for@OptInannotationKT-49411JVM / IR: NullPointerException during IR lowering with@JvmFieldproperty in loop rangeKT-49260FIR: make FirBasedSymbol hierarchy to correspond FirDeclaration hierarchyKT-49289FIR: false positive "return required" for if/else with inlined return in branchKT-49316JVM / IR: "AssertionError: SyntheticAccessorLowering should not attempt to modify other files!" caused by unreachable code which try to modifyvalfrom the other packageKT-45915NoDescriptorForDeclarationException: Descriptor wasn't found for declaration FUN with circular module dependencies in JPSKT-49288FIR2IR: consider generating all fake override calls properlyKT-42784FIR2IR: first create fake overrides, then bind overridden to themKT-48816Kotlin/Native Symbol for public platform.darwin/NSObject|null[100] is unboundKT-49372JVM / IR: Incorrect work of the loop optimization for mutable variableKT-49356Native: UnsupportedOperationException: RETURNABLE_BLOCK caused by nested return with boxing and inlineKT-49659JVM IR: Missing value class mangling in SAM wrappers for fun interfaces from different modulesKT-47101Incorrect scope for supertypes in companion objectsKT-49360Invalid LLVM module: "inlinable function call in a function with debug info must have a !dbg location"KT-48430JVM: ClassCastException with inline class as generic argument for type parameter used in a function typeKT-49575IllegalArgumentException: Unhandled intrinsic in ExpressionCodegen with circular module dependencies in JPSKT-47669IR inliner doesn't handle inner class functions referring outer thisKT-48668JVM IR: "ISE: Value at CLASS must not be null for CLASS" for modules with a dependency cycleKT-49370JVM / IR: "java.lang.VerifyError: Bad local variable type" with "fun Long.mod" and non-trivial argumentKT-46744Memory Leaks in Kotlin daemonKT-48806False-negative USED_AS_EXPRESSION for unreachable catch clausesKT-45972FIR: type is incorrectly resolved to privateKT-46968Remove FirCompositeScope from type resolveKT-49072FIR: accidental resolve to private-in-file typeKT-34822FIR scopes: deal with nested / inner classes and type parameter priorityKT-49702Exception from RENDER_WHEN_MISSING_CASES diagnostic on malformed sealed class inheritorKT-49860[FIR] Add smartcast expression to syntheticsubjaccessKT-49836Inference fails on lambda and adjacent function expressions with receiverKT-49832Inference fails on lambda for function types with extension parameterKT-44022Excessive diagnostics range for DECLARATION_CANT_BE_INLINEDKT-48690VERSION_REQUIREMENT_DEPRECATION_ERROR message: use current compiler version instead of language versionKT-49609Incorrect grammar in DATA_CLASS_NOT_PROPERTY_PARAMETER error messageKT-49600Misspelled error message for non-constructor properties with backing fields in @JvmRecord classKT-49339Warn about synchronizing on value classesKT-49950Compilation failed: An operation is not implemented: IrBasedTypeParameterDescriptorKT-43604Problem with initialization orderKT-23890Default arguments are not transferred from expect generic member functionsKT-48811Expect/actual class with default constructor argument values can not be instantiated from a shared source set without passing arguments (with HMPP enabled)KT-48106FIR: incorrect type inference in provideDelegate receiverKT-48325Safe call operator prevents object from being garbage collected before leaving functionKT-50004Linking kotlinx.serialization crashes on Native and JS IR backendsKT-49311Missing FIR checker for unresolved references in import statementKT-48104FIR does not see NotNull/Nullable annotations on type argumentsKT-46812[FIR] Make FIR diagnostics not related to Diagnostics from FE 1.0KT-37374[FIR] AddCheckInfixModifierresolution stageKT-38351FIR: SupportCheckOperatorModifierresolution stageKT-39614[FIR] Fix building CFG for different candidates of plus assign callKT-40197[FIR] Strange Behaviour of Type ArgumentsKT-40362[FIR] Match type arguments with type parameters of corresponding qualifierKT-40375FIR: No transformation implicit type -> error type for function value parametersKT-40585[FIR] Incorrect type for 1/1.0KT-42525[FIR] Incorrect IR produced for java.lang.Byte.MAX_VALUEKT-43359FIR: Check applicability type for callable reference with unbound receiverKT-43378FIR: Support or prohibit via call checker callable references to member extensionsKT-43289FIR: Correctly load irrelevant override for special built-insKT-44558Annotation arguments const expr support is missing in FIRKT-45223[FIR] Ambiguity between explicit and syntheticremoveAtKT-42215FIR: callable reference resolution with type constraints at call-sitesKT-45520FIR: NONE_APPLICABLE for unsafe call to function with overloads instead of UNSAFE_CALLKT-46410[FIR] Transform of FirAugmentedArraySetCall leaves erroneous nodes in control flow graphKT-46421FIR: Investigate builder-inference casesKT-43948FIR: hidden unresolved callable referenceKT-46558FIR DFA: run once contract is not considered when analyzing lambdaKT-47125FIR: Do not avoid trivial constraints if they aren't from upper boundsKT-43691FIR: false positive VARIABLE_INITIALIZER_IS_REDUNDANT with usage in try...finallyKT-37311[FIR] Support inference of callable references with type variable as expected typeKT-31972Error type encountered: org.jetbrains.kotlin.types.ErrorUtils$UninferredParameterTypeConstructor@1f5b38c2(ErrorType).KT-48761Report NO_TAIL_CALLS_FOUND on 'tailrec' modifier, not on the whole function headerKT-47647NI: Function reference to Java static method can't compile if passed directly as KFunction1 parameterKT-46995Fix setters implicit types only resolved on full body resolveKT-46359Kotlin 1.5 lambda is not Java-serializable by defaultKT-49282FIR: suspend conversion does not work inside suspend lambdaKT-48953FIR: implement diagnostic DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETERKT-38813FIR: Report INSTANCE_ACCESS_BEFORE_SUPER_CALL diagnostic on receiver usages in secondary constructors headersKT-49657FIR: accidental override with get:JvmNameKT-49655FIR: smart cast is not performed after update of var to not-null value in branchDocs & Examples
KT-50866[Docs] [Kotlin/Native] Support non-NativeActivity Android executablesKT-50220[Docs] [Kotlin/JVM] New @JvmDefaultWithCompatibility annotation and changes in -Xjvm-default arguments behaviorKT-50844[Docs][K/JS] KJS / IR: Installation of NPM dependencies should be with ignore-scriptsKT-50831[Docs][K/JS] Gradle, JS: Ability to persist / reuse yarn.lockKT-51086[Docs] [Build Tools] Allow to configure additional jvm arguments for 'KaptWithoutKotlincTask`KT-50563[Docs] [Build Tools] Deprecate kotlin.experimental.coroutines Gradle DSL option and kotlin.coroutines propertyKT-50580[Docs] [Kotlin/Native] Support instantiation of annotation classes on NativeKT-50874[Docs] [Language] Add ability to specify generic type parameters as not-nullKT-50564[Docs] [K/JS] Ensure that @AfterTest is invoked after the@Testfunction completes for asynchronous testsIDE
New Features
KTIJ-20169Link to What's new in a notification about new Kotlin versionPerformance Improvements
KTIJ-20568Optimize SubpackagesIndexService#hasSubpackagesFixes
KTIJ-13020New compiler settings are applied only after the project is reloadedKTIJ-21154StackOverflowError on Companion.extractPotentiallyFixableTypesForExpectedType that causes "Syntax highlighting has been temporarily turned off"KTIJ-20129Load "@NotNullT" types from libraries as definitely non-nullable if any module in project loads such types as definitely non-nullableKTIJ-9793UAST: KotlinAbstractUElement.equals fails for psi-less elementsKTIJ-16203UAST: Annotating assignment expression sometimes leads to UnknownKotlinExpressionKTIJ-18720UAST:@Deprecated(level=DeprecationLevel.HIDDEN)makes method visibility be droppedKTIJ-18039@Deprecated(level=HIDDEN)elements return false for isDeprecated()KTIJ-18716KotlinUMethodWithFakeLightDelegate.hasAnnotation() doesn't find annotationsKTIJ-20220Kotlin plugin crashes very oftenKTIJ-20308Syntax highlighting is temporary suspended for file ... due to internal errorKTIJ-6085ExceptionIncorrect CachedValue...with KtUltraLightMethodForSourceDeclarationKTIJ-18977Do not show warningOutdated bundled kotlin compilerif there are no compatible plugin with newer compilerKTIJ-20253Consider supporting special highlighting for definitely non-null typesKT-42194OOME: Java heap space from incremental compilationKTIJ-13019"Add '-Xopt-in=kotlin.io.path.ExperimentalPathApi' to module untitled1 compiler arguments" only works until the project is reloadedIDE. Completion
KTIJ-20095Optimize FilterOutKotlinSourceFilesScope#containsKTIJ-16250Completion of override with return type annotated with TYPE_USE-targeted annotation suggests two duplicate entriesIDE. Debugger
KTIJ-20716JVM Debugger in common code can't get JVM-specific view on common code and failsKTIJ-18562JVM debugger: coroutineContext.job causes "Failed to generate expression: KtNameReferenceExpression"KTIJ-20019MPP Debugger: NSFE “Field not found” on accessing property with explicit getter from common code in Evaluate expression/WatcherKTIJ-19990MPP Debugger: Evaluate expression for some stdlib in common source set fails with Method threw 'java.lang.ClassNotFoundException' exception.KTIJ-20929MPP Debugger: in a project with single JVM target evaluation of expect function fails with 'NoSuchMethodError' exception in common contextKTIJ-20956Debugger: coroutine debugger fails to load sometimesKTIJ-20775MPP Debugger: Evaluate expression for actual typealiases in jvm source set fails with Method threw 'java.lang.ClassNotFoundException' exception.KTIJ-20712MPP Debugger: evaluator fails when evaluating expect functionKTIJ-19344K/N debugger shows all types as ObjHeader in variable view.IDE. Gradle Integration
KTIJ-20097HMPP+Android Project that depends on pure Android Lib fails to import in IDEAKTIJ-20756MPP targeting Android and JVM reports 'The feature "multi platform projects" is experimental and should be enabled explicitly'KTIJ-20745Gradle: NSEE “Key main is missing in the map.” on project import in AS 212 + Kotlin 1.6.20KT-47570MPP, IDE: kotlin-test-common leaks into dependencies of platform-specific source setsKTIJ-19541IDE: Kotlin Facets aren't created for Gradle projects added viaincludeBuildKT-48882MPP IDE import: Failing cinterop Gradle tasks shall not fail importKTIJ-18135MPP, IDE: False positive "No value passed for parameter" in CommonTest when expect declaration has default value and actual does notIDE. Inspections and Intentions
New Features
KTIJ-12437Add inspection to detect redundant (obsolete, unused)@OptInannotationsKTIJ-15780Add quickfix for migration of Experimental -> RequiresOptInKTIJ-18865Provide quick fixes for OptIn markers on forbidden targetsKTIJ-18439Make suggestions for applying opt-in quickfixes more distinctKTIJ-19985Provide quickfix for SAFE_CALL_WILL_CHANGE_NULLABILITY diagnosticFixes
KTIJ-20550False positives in "Unnecessary@OptInannotation" inspectionKTIJ-20993Quick-fix for NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS leads to unreachable codeKTIJ-20557Quick fix to addAnyas an upper bound for type parameter to make it non-nullableKTIJ-20827Process type mismatch compiler warnings to provide a corresponding quick fixKTIJ-12578"Make abstract" quick fix for missing abstract members implementations could warn of potentially broken inheritanceKTIJ-20425Quick fix to replace@NotNullparameter typeTwith a definitely non-nullable typeT & AnyKTIJ-19997Inspection "Possibly blocking call in non-blocking context could lead to thread starvation" suggests "Wrap call in 'withContext'" resulting in red codeKTIJ-18291Quickfix "Add@OptIn()annotation" adds the annotation to primary constructor when invoked on primary constructor parameterKTIJ-19512Implement IDE support for new rules of deprecation inheritanceKTIJ-20156Exception when applying 'Convert to with'KTIJ-20290Forbid "move to constructor" intention if class contains secondary constructorKTIJ-20288Forbid "move to constructor" intention for actual classes with actual constructorKT-49736Introduce import alias fails when qualifier is unresolvedKTIJ-18743"Redundant nullable return type" applied onactualmethod doesn't change the signature ofexpectKTIJ-12343Inspection "Sealed sub-class has no state and no overridden equals" is applied incorrectly to expect/actual declarations of sealed classes with nested subclassesKTIJ-19406The "Add@OptIn(...)" quick fix does not shorten the annotation when adding an argument to the existing annotationKTIJ-12351generate equals & hashCode() by identityintention generates incompilable code for multiplatform project modulesKTIJ-13227Forbid "move property to constructor" for actual classes with actual constructor having at least one parameter alreadyKTIJ-11328No quick fixes are suggested for annotation from experimental API used with file targetKTIJ-14427Meta-annotation value isn't updated for all the corresponding parts of a multiplatform annotationKTIJ-19735NSME org.jetbrains.kotlin.idea.quickfix.KotlinSingleIntentionActionFactory org.jetbrains.kotlin.idea.quickfix.RemoveModifierFix on IJ212 + Kotlin masterIDE. Navigation
KTIJ-18145IDE freeze on 'Show Usage'IDE. Refactorings. Extract Function
KTIJ-10026Refactor / Extract function: Adds unnecessary nullability annotations for parameters coming fromNotNullorNullableJava methodsKTIJ-15823Refactor / Extract Function: resulted declaration gets no@OptInfrom original function when necessaryIDE. Refactorings. Move
KTIJ-5661[Tests] MoveRefactoring: Fix ignored incorrect tests of crossmodule declaration movingIDE. Wizards
KTIJ-19232New project wizard: delete MPP Mobile-Library and Application templatesKTIJ-20878Unable to create project with Kotlin Project Wizard when JDK 17 is used.KTIJ-20244Compose MPP project from wizard requires minCompileSdk=31KTIJ-20781Update kotlin-wrappers version in wizardJS. Tools
KT-47387KJS: Support Apple Silicon for node distrib downloadJavaScript
New Features
KT-44494KJS / IR: Allow enum classes to be exportedKT-43224KJS: Allow using inline classes in external typesKT-35100Make Char inline class in K/JSKT-42936KJS IR: Support js-code test directives similar to legacyKT-47525KJS / IR: Support protected members in d.ts generationKT-50110KJS / IR: Enable properties lazy initialization by defaultPerformance Improvements
KT-46443KJS / IR: ImproveCharArrayandCharperformanceKT-45665KJS / IR:equalson inline value classes is boxedKT-43644KJS / IR: Avoid creating lambda classesFixes
KT-51685KJS / IR: TypeError: collection.iterator_jk1svi_k$ regression in Kotlin 1.6.20-RC2KT-51523KJS IR: "Uncaught TypeError: a._get_length__2347802853_w7ahp7_k$ is not a function"KT-51700KJS / IR: Compiler uses wrong function with ListKT-51222KJS / IR: "RangeError: Maximum call stack size exceeded": Default function overloads marked with @JsExport are brokenKT-45054KJS: Export secondary constructors as class static methodsKT-37916KJS: .d.ts generation not working for enum classesKT-48199KJS / IR: Improve error message for linkage problemsKT-51030KJS / IR: internal class that implements public interface is missing gettersKT-45434KJS: "WRONG_EXPORTED_DECLARATION" when usingJsExporton interfacesKT-50934KJS / IR: Re-export all JS-exports from the main module for the multi-module modeKT-45620KJS / IR: Remainder of division ofInt.MIN_VALUEby -1 is negative zero (-0)KT-44981KJS / IR crashes onkotlin.js.jscalls with complex constexprKT-41964KJS IR: Reference to local variable and parameter from js fun could be broken unexpectedlyKT-50682Kotlin/JS: IR + IC: TypeError "Cannot read properties of undefined" when properties from different sources refer one another in initializersKT-50175Kotlin/JS, IR: with incremental compilation top level properties initialization is not lazyKT-40236KJS: IR. Invalid override for external field with@JsNameKT-46525KJS / IR: Generate context-dependent names for lambdas and object expressionsKT-49779KJS / IR: Exported abstract class implementing interface not export interfaces member in d.tsKT-49773KJS / IR: Exported enum implementing interfaceKT-41912KJS / IR: generates invalid defineProperty methods for class hierarchiesKT-46225KJS IR: tailrec function with capturing lambda in default parameter value leads to UninitializedPropertyAccessException at compile timeKT-50528Kotlin/JS: IR + IC: TypeError: "combined.get_icpjjy_k$ is not a function" for code callingGlobalScope.launch {}KT-50512KJS / IR: IC failed with const val in inline funKT-49738Ensure that @AfterTest is invoked after the@Testfunction completes for asynchronous testsKT-45542KJS / IR: "IllegalStateException" for method with default argument in expect classKT-50464KJS IR: Functions with optional parameters and stable names are exported without@JsExportKT-43374KJS / IR: "class org.jetbrains.kotlin.js.backend.ast.JsIf cannot be cast to class org.jetbrains.kotlin.js.backend.ast.JsExpressionStatement" caused byif-elseexpression insidewhenKT-20791ushr Behavior differs in Javascript and Java targetsKT-49844KJS / IR: "IllegalStateException: IrSimpleFunctionSymbolImpl is already bound" with callable referenceKT-46961KJS / IR: "IllegalStateException: Can't find name for declaration" when external object contains enum classKT-43191KJS / IR: static companion field is not static in d.tsKT-39891[KJS / IR] String interpolation and byte shift round Long valueKT-50040JS IR: "Function must be an accessor of corresponding property" exception on private properties with getter in an exported classKT-49878Kotlin/JS, IR: incremental compilation fails with CCE: "class StageController cannot be cast to class WholeWorldStageController"KT-46202KJS / IR: "IllegalStateException" on exported value classKT-42039KJS / IR: JsQualifier annotation can cause conflicts with built-in functionsKT-39364KJS: Can't export sealed class/object with subclasses inside the body to typescript definitionKT-47360KJS / IR:js()function with string valKT-47376KJS / IR: Incorrectd.tsgeneration for sealed classesKT-47767KJS / IR: "IllegalStateException" with inline function with several lambda invocation declared through typealiasKT-47342KJS / IR: "StackOverflowError" onInlinerTypeRemapper.remapTypeArgumentsKT-46218KJS / IR: Incorrect result for localtailrecfunction called from capturing inline lambdaKT-45056KJS / IR: Inconsistentordinalproperty value for enum classesKT-47096KJS / IR:Console.logintroduces spaces between each characterKT-47516KJS / IR: Wrong behavior when trying to access property in enum entryKT-47806KJS / IR: "IllegalStateException" with invocation of extension function with generic and lambda parameter onString.CompanionKT-49225KJS: Default value for value class parameter is not consideredKT-49326KJS / IR: Overridden properties should not be exportedKT-49363KJS / IR: Nested declarations inside exported object are not exportedKT-49300KJS: Source map generator leaks source files descriptors when source embedding is enabledKT-40525KJS IR: investigate issues with using kotlin-wrappersKT-50197KJS IR: using APIs in different packages but with same method name generates clashesKT-45958KJS: Line breaks are missing injsfiles after If-expressionKT-40213KJS: fix and "unmute" cases from .../nonReifiedTypeParameters/ "muted" while fixing KT-38771KT-50152Kotlin/JS: with incremental compilation browserRun / nodeRun produce no outputKT-50315Kotlin/JS: building project with some dependencies fails: IAE: "Duplicate definition"KT-50203JS IR BE: new IC for loweringsKT-43250KJS / IR: "Can't find name for declaration FUN" with Json#encodeToString as function referenceKT-46992KJS / IR: Incorrect boxing of inline classes returned by crossinline suspend lambdasKT-49776KJS / IR: inliner doesn't handle inner class functions referring outer thisKT-49849KJS / IR: Access of exported member properties should be by its stable nameKT-49850KJS / IR: Member properties in exported class should be getter/setter in d.tsLanguage Design
KT-19423Script: reference from class to script top-level member is incompilableKT-21197Support cross platform common implementationsKT-42435Prototype multiple receiversKT-48385Deprecate confusing grammar in when-with-subjectKT-49542FIR: Smart cast may lead to inconsistent inference resultKT-23727Internal declarations from other module in star imports should have lower priority than public declarations from default importsKT-50251Support language version 1.3 in Kotlin 1.6.20KT-17765Ambiguity between SAM adapters when one SAM interface is sub type of anotherKT-10926False overload resolution ambiguity when both vararg and collection matchKT-41214JDK 17: Emit PermittedSubclasses attribute when compiling sealed classesLibraries
KT-44089Java version checking doesn't work on AndroidKT-50033Some packages of kotlin-stdlib with public API are not exported in module-infoKT-48367Usingsynchronizedon captured object leads to slow JVM executionKT-49721KJS: Regex("\b").findAll yields infinite sequence when a zero length match is found before a surrogate pair (e.g. emoji)Native
New Features
KT-49463--dry-run flag for llvm_builder/package.pyFixes
KT-51359Native: the compiler doesn't work on macOS 12.3 BetaKT-49144Kotlin/Native executable early segmentation faultKT-49348KONAN_NO_64BIT_ATOMIC does not guard Kotlin_AtomicLong_addAndGetKT-42500KLIB: K/N compiler cannot link with a library with incorrect symbol in the name or the pathKT-49395K/N: After 1.5.20, compiling code includingKSuspendFunction3to framework leads to "Assertion failed at parametersAssociated"KT-49967Kotlin iOS regex issueKT-49873Native does not sort Strings correctlyKT-49347androidNativeArm32 binaries crash when using atomic operationsKT-49597Kotlin/Native: Exporting the Arrow library into the framework causes StackOverflowError in the Devirtualization phaseKT-49790"Undefined symbols" error when linking project with kotest 5.0.0.RC and Kotlin 1.6Native. Build Infrastructure
KT-48625Native: distribution doesn't contain sources for kotlin.testNative. C Export
KT-47828Kotlin/Native: Kotlin exception is not filtered out on interop border when producing a dynamic library with compiler caches enabledNative. C and ObjC Import
KT-35059Better "could not build module" cinterop reportKT-49768Kotlin/Native: Add -Xoverride-konan-properties to cinterop.Native. ObjC Export
KT-47399Kotlin Native - Objective-C with Swift 5.5 Async Function Needs Returning KotlinUnitKT-48282Kotlin sealed class roots and abstract classes within sealed hierarchies have their constructors exposed to Objective-C/SwiftKT-46866Memory consumption / performance of Kotlin classes with String property in KMP project on iOS SwiftNative. Platform Libraries
KT-50045Kotlin/Native: Re-enable disabled Hypervisor frameworkKT-47331Kotlin/Native: support Xcode 13 SDKsNative. Platforms
KT-48078Native: Support non-NativeActivity Android executablesNative. Runtime
KT-48424Support resolving source locations using libbacktraceKT-51586SIGSEGV on worker7 testKT-50491Kotlin/Native: Deadlock in the Ktor server tests with the new memory managerNative. Runtime. Memory
KT-50879Kotlin/Native: Stabilize Concurrent Sweep GCKT-50948Kotlin/Native: Concurrent Sweep GC hangs on Windows in GCStateHolder::waitEpochFinished/waitScheduledKT-49497iOS Swift "runtime assert: Must be positive" and "runtime assert: cycle collector shall only work with single object containers"KT-50026Kotlin/Native: Make AtomicReference behave like FreezableAtomicReference with the new MMKT-49013Kotlin/Native: Correctly switch thread state to native for spin locksNative. Testing
KT-48561Test sideEffectInTopLevelInitializerMultiModule fails with new MMReflection
KT-50198Reflection: NPE fromkotlin.jvm.internal.Intrinsics.areEqualwith SpockTools. Android Extensions
KT-50784kotlin-android-extensions produces unbound symbol under_$_findViewCacheKT-50627NullPointerException when using kotlin-android-extensions synthetic after updating Kotlin to 1.6.10KT-50887kotlin-android-extensions plugin breaks whenpackageattribute missing from AndroidManifest.xmlTools. CLI
KT-51309Add JVM target bytecode version 18KT-48027"Module ... cannot be found in the module graph" with module-info in META-INF/versionsKT-50695Compiling into IR backends with language version 1.3 is not rejectedKT-46329Deprecated-Xjvm-defaultvalues are not reportedKT-51025JVM CLI compiler takes class file from classpath instead of input java source fileKT-50889AnalysisHandlerExtension multiple round execution is broken on Kotlin/MultiPlatform withexpectActualLinker=trueflagKT-48417CLI: boolean -X arguments accept a value after '=' which is ignoredKT-11164Allow running class files with '.class' extension in 'kotlin' scriptKT-46171NoClassDefFoundError produced when running kotlin scriptTools. Commonizer
KT-48568[Commonizer] timespec properties are not commonized in kotlinx.coroutinesKT-46257MPP: Stdlib included more than once for an enabled hierarchical commonizationKT-49735[Commonizer] :commonizeNativeDistribution fails for projects with two or more same native targetsKT-48856MPP: Unable to resolve c-interop dependency for test compilation in an intermediate source set with the only platformKT-48288[Commonizer] platform.posix.timespec.tv_sec not commonized in OKIOKT-47574[Commonizer] TypeAliasTypeCommonization: Properly substitute underlying type argumentsKT-48221MPP: Too few targets specified if platform test source set depends on mainKT-47100[Commonizer] Commonize underlying type-alias typesTools. Compiler Plugins
KT-50718Unable to serialize an object with a generic fieldKT-50764Kotlin 1.6.10 custom serializers for a generic type receive the unit serializer on jvmKT-46444JVM IR, serialization: "AssertionError: No such value argument slot in IrConstructorCallImpl: 0" with KSerializer of ClosedRangeTools. Daemon
KT-47522Provide reasonable resolution strategy for OutOfMemoryError during compilationKT-51116OOM user-friendly message isn't displayed if there is main exception caused by out of memoryTools. Gradle
New Features
KT-48620Add build information into Gradle build scanKT-41689Support statistics for Configuration CacheKT-49299Add more flexible way for defining Kotlin compiler execution strategyKT-21056Kotlin Gradle Plugin tasks execution should be parallelized by defaultPerformance Improvements
KT-50664Compile speed regression going from Kotlin 1.5.31 to 1.6.10 for incremental changes when Java class in a dependent child module w/ kapt is modified w/o a method/class signature changeKT-48884Configuration performance regression in Kotlin Gradle plugin 1.5.30KT-49782Improve compilation task outputs snapshot performanceFixes
KT-51501Gradle: 'java.lang.NoClassDefFoundError: com/gradle/scan/plugin/BuildScanExtension' on 1.6.0-RC when applying Enterprise Plugin from initscriptKT-51588Restoring from build cache breaks Kotlin incremental compilationKT-50620Gradle Kotlin Plugin crashes in CI due to hostname resolving issueKT-49921Setup basic release performance regression testsKT-51177After updating from KGP 1.5.30 to 1.6.10, KotlinCompile is non-incremental given an Android resource changeKT-48134Debug log level causes build cache missKT-50719Kotlin Gradle Plugin may hang on writing statisticsKT-48849Cache miss due to empty directories inKotlinCompileinputsKT-49014Disable Explicit API is not possibleKT-48408Build may fail with strict JVM target validation mode when project has no Kotlin sourcesKT-49107Configuration cache: undeclared kotlin.caching.enabled system property readKT-50369Deprecate kotlin.experimental.coroutines Gradle DSL option and kotlin.coroutines propertyKT-48046Gradle Throws Exception From Kotlin Plugin:destinationDir must not be nullKT-50037Kotlin compile task registers more than one task action and their order of execution is counter-intuitiveKT-49772Kotlin in-process compilation does not release file handlesKT-47215KJS: "UninitializedPropertyAccessException: lateinit property fileHasher has not been initialized" when runningkotlinNpmInstallorrootPackageJsonlocallyKT-46406Remove 'kotlin.parallel.tasks.in.project' build propertyTools. Gradle. JS
Performance Improvements
KT-49037KJS / Gradle: Configuration cache usage on large projects lead to high memory consumption by Gradle daemonFixes
KT-51060KJS / IR: Incorrect order of libraries with ICKT-49061KJS / Gradle: Custom package.json handlers break configuration cacheKT-35640Kotlin/JS: Gradle: DCEdevMode = truesetting has no effect on incremental buildKT-49095KJS / Gradle: KotlinJsTest tasks increase configuration cache state size depending on number of modules in projectKT-49253KJS / Gradle: Error while evaluating property 'filteredArgumentsMap' of task ':compileProductionExecutableKotlinJs'KT-49902Kotlin/JS: Gradle: with --debug it still runs yarn without --ignore-scriptsKT-49808KJS / Gradle: NPE when running node.js Mocha tests with configuration cache reuseKT-49530KJS: Update Node.JS and YarnKT-50930KJS / IR: Incremental compilation cache building not consider multiple artifactsKT-50485KJS / IR: Enable per-module by defaultKT-49445KJS / IR: "AssertionError: Built-in class kotlin.Unit is not found" 1.5.31 fails on consuming artifacts built with 1.6.0KT-38040Make Chrome Headless use "--no-sandbox" (configurable) - for DockerTools. Gradle. Multiplatform
KT-46198[Commonizer] c-interop commonization: Support publishing libraries compiled with commonized c-interop librariesKT-41641MPP: NoSuchElementException: "Collection is empty" when android library is added butandroid()source set isn'tKT-50567commonizeNativeDistribution fails when enableGranularSourceSetsMetadata is set to trueKT-50592[Gradle][MPP] Mitigate isolated KGP classpath issuesKT-51176CInteropCommonization: Warn users about disabled cinterop commonization when cinterops are present in hmppKT-49089An annotation class annotated with @OptionalExpectation can not be used in another module with HMPP enabledKT-48818False positive warning about usedenableDependencyPropagationflag with enabled hierarchical mpp by defaultKT-49596Composite Metadata Jar: Read location of cinterops from KotlinProjectStructureMetadata fileKT-41823Default arguments not work in iosMain metadata with enableGranularSourceSetsMetadataKT-50574Only enable cinterop metadata transformation when 'kotlin.mpp.enableCInteropCommonization' is setTools. Gradle. Native
New Features
KT-47633Accept version when configuring cocoapods for kotlin/nativeKT-42630CocoaPods Gradle plugin: Allow customization of podspec propertiesKT-48553Kotlin/Native: use Gradle Shared Build Service to read konan.propertiesKT-47529Read list of opt-in cacheable native targets from konan.propertiesFixes
KT-49330commonizeNativeDistribution: "ClassCastException: KotlinJvmProjectExtension_Decorated cannot be cast to class org.jetbrains.kotlin.gradle.dsl.KotlinProjectExtension"KT-49484Kotlin/Native: XCFramework should include dSYM files for release artifactsKT-47768Gradle MPP plugin: K/N targets break task configuration avoidance for assemble taskKT-49971Make 'embedAndSignAppleFrameworkForXcode' task visible for usersKT-43815[CocoaPods Plugin] Pod name cannot be changedKT-50105Usage of XCFramework and cocoapods plugin leads to error in prepareKotlinBuildScriptModel taskKT-42105Multiplatform Cocoapod kotlin plugin doesn't support repo distributionKT-48808XCFramework task fails when using static debug frameworksKT-42755Cocoapods plugin using backslashes on WindowsTools. JPS
KT-51434Language version 1.7 is absent in Kotlin Compiler settingsKT-48399Internal Error: Unknown version of LookupSymbolKeyDescriptor=-6KT-49177JPS: Kotlin compiler doesn't recompile file that references Java constant in class bodyKT-46506JPS: Kotlin compiler doesn't recompile file that references Java constantKT-47909UtilsKt.recordPackageLookup is slowKT-47857Class loaders clash when building kotlin project with FIR with JPS without daemonKT-45773Improve quality of JPS incremental compilationTools. Kapt
KT-41456Kotlin compilation failure after successful kapt causes invalid incremental buildsKT-48402Kapt throws "Fatal Error: Unable to find package java.lang in classpath or bootclasspath" with JDK 16 and Kotlin 1.5.30KT-48617Cache miss due to empty directories in KaptGenerateStubsTask inputsKT-48450Allow to configure additional jvm arguments for 'KaptWithoutKotlincTask`KT-32596kapt replaces class generated by annotation processor with error.NonExistentClass when the class is used as an annotationKT-48826Deprecate 'kapt.use.worker.api' propertyKT-47002Kapt: warning mentions non-effective propertykapt.includeCompileClasspathTools. Maven
KT-50306Configured plugin dependencies should be available in kotlin-maven-plugin scriptsTools. Parcelize
KT-19853Parcelize: CREATOR field should be available from codeTools. REPL
KT-20488REPL: java.lang.InternalError: "Enclosing constructor not found" for class reference on an anonymous object literalTools. Scripts
KT-48758Kotlin scripting: introduce a link from evaluation configuration to the compilation oneKT-48414Script: get location of the script.main.kts fileKT-40497“Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6.” for running script without specified jvm-targetKT-49329Kotlin scripts are compiled with jvmTarget 1.8 by default and in many scenarios there is no way to redefine it, which lead to inlining errors e.g. with JDK 17Tools. Wasm
KT-49893Don't publish wasm targets withorg.jetbrains.kotlin.js.compilerattributev1.6.10: Kotlin 1.6.10Changelog
Android
KT-49798[MPP] [Android] AGP 7.1.0+ android target publications leak 'AgpVersionAttr' attributeCompiler
Performance Improvements
KT-49821Optimize LazyClassMemberScope#getContributedDescriptors: use nameFilterFixes
KT-49833java.lang.NullPointerException caused by accidental newline in package directiveKT-49838Type inference fails on 1.6.0: Cannot use 'CapturedType(*)' as reified type parameterKT-49752Regression in method return type inference: "IllegalStateException: Expected some types"KT-49876Kotlin/Native: cross-compilation of Linux static library is broken in Windows in 1.6.0KT-49792Atomicfu: "standalone invocation of kotlinx.atomicfu.AtomicInt::compareAndSet that was not traced to previous field load" with suspend functionKT-49834Coroutine method transformer generates invalid locals table.KT-49441Support friend modules in Kotlin NativeKT-49248K/N: Symbol withIrSimpleFunctionSymbolImplis unbound after 1.5.30KT-49651Inconsistent compiler APIs for repeatable annotationsKT-49168JVM IR: IndexOutOfBoundsException with fun interface + suspend function as SAM methodKT-49573No annotated types, compiler emits "Annotated types are not supported in typeOf"KT-47192Build Fake Overrides for internal members of classes from friend moduleKT-48673IR: IllegalStateException for usage of internal member declared in a superclass in another moduleJavaScript
KT-47811KJS / IR: "ClassCastException" when using suspend function inconsole.logLanguage Design
KT-49868Support language version 1.3 in Kotlin 1.6.10Libraries
KT-50173Different behavior of Regex escapeReplacement function in JVM and JSTools. Android Extensions
KT-49799NullPointerException when using kotlin-android-extensions synthetic after update to Kotlin 1.6.0Tools. Compiler Plugins
KT-50005jvm-abi-gen plugin: do not change the declaration order in generated jarsKT-49726JVM/IR: "IllegalArgumentException: Null argument in ExpressionCodegen for parameter VALUE_PARAMETER": Serialization with sealed class as type parameterTools. Gradle
KT-49835Android consumers can't resolve Android debug variants of published MPP libraries published with Kotlin 1.6.0 & Gradle 7.0+KT-49910Incremental compilation speed regression in 1.6.0 for Android projectsTools. Gradle. JS
KT-49109KJS / Gradle: Configuration failed: Could not find node-14.17.0-darwin-arm64.tar.gz (org.nodejs:node:14.17.0)KT-50135KJS: Problem with Yarn install with scripts on WindowsKT-34014Gradle, JS: Ability to persist / reuse yarn.lockKT-49505KJS / IR: Installation of NPM dependencies should be with ignore-scriptsTools. Gradle. Native
KT-49931Kotlin Multiplatform Fails in Windows after 1.6.0 upgrade - Cannot run program "pod"KT-49771podInstall task is not executed after adding a pod dependency to the shared moduleTools. Incremental Compile
KT-49822Incremental compilation state is modified when the build fails in Kotlin 1.6KT-49340"IllegalStateException:@NotNullmethod org/jetbrains/kotlin/com/intellij/openapi/application/AsyncExecutionService.getService must not return null" with Anvil plugin and incremental compilationChecksums
v1.6.0: Kotlin 1.6.0Changelog
Android
KT-48019Bundle Kotlin Tooling Metadata into apk artifactsKT-47733JVM / IR: Android Synthetic don't generate _findCachedViewById functionCompiler
New Features
KT-47984In-place arguments inlining for @InlineOnly functionsKT-12794Allow runtime retention repeatable annotations when compiling under Java 8KT-43714Support annotations on class type parameters (AnnotationTarget.TYPE_PARAMETER)KT-45949Kotlin/Native: Improve bound check eliminationKT-43919Support loading Java annotations on base classes and implementing interfaces' type argumentsKT-48194Try to resolve calls where we don't have enough type information, using the builder inference despite the presence of the annotationKT-47736Support conversion from regular functional types to suspending ones in JVM IRKT-39055Support property delegate created via synthetic method instead of fieldPerformance Improvements
KT-45185FIR2IR: get rid of IrBuiltIns usagesKT-47918JVM / IR: Performance degradation with const-bound for-cyclesKT-33835Bytecode including unnecessary null checks for safe calls where left-hand side is non-nullableKT-41510Compilation of kotlin html DSL is still too slowKT-48211We spend a lot of time in ExpectActual declaration checker when there is very small amount of actual/expect declarationKT-39054Optimize delegated properties which call get/set on the given KProperty instance on JVMKT-46615Don't generate nullability assertions in methods for directly invoked lambdasFixes
KT-49613JVM / IR: "Exception during IR lowering" with java fun interface and it's non-trivial usageKT-49548"ClassCastException: java.util.ArrayList$Itr cannot be cast to kotlin.collections.IntIterator" with Iterable insideletKT-22562Deprecate calls to "suspend" named functions with single dangling lambda argumentKT-47120JVM IR: NoClassDefFoundError when there are an extension and a regular function with the same nameKT-49477Has ran into recursion problem with two interdependant delegatesKT-49442ClassCastException on reporting [EXPOSED_FROM_PRIVATE_IN_FILE] Deprecation: private-in-file class should not expose 'private-in-class'KT-49371JVM / IR: "NoSuchMethodError" with multiple inheritanceKT-44843PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression" with delegate who has name or parameter with the same name as a propertyKT-49294Turning FlowCollector into 'fun interface' leads to AbstractMethodErrorKT-18282Companion object referencing it's own method during construction compiles successfully but fails at runtime with VerifyErrorKT-25289Prohibit access to class members in the super constructor call of its companion and nested objectKT-32753Prohibit @JvmField on property in primary constructor that overrides interface propertyKT-43433Suspend conversion is disabledmessage in cases where it is not supported and quickfix to update language version is suggestedKT-49399Building repeatable annotation with Container nested class fails with ISE: "Repeatable annotation class should have a container generated"KT-49209Default upper bound for type variables should be non-nullKT-49335NPE inRepeatedAnnotationLowering.wrapAnnotationEntriesInContainerwhen using@Repeatableannotation from different fileKT-48876java.lang.UnsupportedOperationException: org.jetbrains.kotlin.ir.expressions.impl.IrReturnableBlockImpl@4a729dfKT-48131IAE "Repeatable annotation container value must be a class reference" on using Kotlin-repeatable annotation from dependencyKT-49322Postpone promoting warnings to errors forProperTypeInferenceConstraintsProcessingfeatureKT-49285Exception on nested builder inference callsKT-49101IllegalArgumentException: ClassicTypeSystemContext couldn't handle: Captured(out Number)KT-41378Compilation failed: Deserializer for declaration public kotlinx.coroutines/SingleThreadDispatcher|null[0] is not foundKT-47285IR deserialization exception when dependency KLIB has class instead of typealiasKT-46697IllegalStateException: IrTypeAliasSymbol expected: Unbound public symbol for public kotlinx.coroutines/CancellationException|null[0] compiling KMM module for Kotlin/Native with Kotlin 1.5KT-36399Gradually support TYPE_USE nullability annotations read from class-filesKT-11454Load annotations on TYPE_USE/TYPE_PARAMETER positions from Java class-filesKT-18768@Notnullannotation from Java does not work with varargsKT-24392Nullability of Java arrays is read incorrectly if@Nullableannotation has both targets TYPE_USE and VALUE_PARAMETERKT-48157FIR: incorrect resolve with built-in names in useKT-46409FIR: erroneous resolve to qualifier instead of extensionKT-44566FirConflictsCheckerdo not check for conflicting overloads across multiple filesKT-37318FIR: Discuss treating flexible bounded constraints in inferenceKT-45989FIR: wrong callable reference type inferredKT-46058[FIR] Remove state from some checkersKT-45973FIR: wrong projection type inferredKT-43083[FIR] False positive 'HIDDEN' on internalKT-48794Breaking change in 1.5.30: Builder inference lambda contains inapplicable calls so {1} cant be inferredKT-46727Report warning on contravariant usages of star projected argument from JavaKT-40668FIR: Ambiguity on qualifier when having multiple different same-named objects in near scopesKT-37081[FIR] errors NO_ELSE_IN_WHEN and INCOMPATIBLE_TYPES absenceKT-48162NON_VARARG_SPREAD isn't reported on *toTypedArray() callKT-45118ClassCastException caused by parent and child class in if-elseKT-47605Kotlin/Native: switch to LLD linker for MinGW targetsKT-48912K/NSymbol with IrSimpleFunctionSymbolImpl is unboundandJS Validation failed in file shaders.ktKT-44436Support default not null annotations to enhance T into T!!KT-49190Increase stub versionsKT-48261"overload resolution ambiguity" for JSpecify+jsr305-annotated Java List implementationKT-48778-Xtype-enhancement-improvements-strict-mode not respecting@NonNullannotation for property accesses?KT-48606[1.6] Instantiated annotations do not implement hashCode correctly/consistentlyKT-49157Tail-call optimization miss with cast to type parameterKT-46437NI: "Throwable: Resolution error of this type shouldn't occur for resolve if as a call" caused by reflectively accessing private property inside "if/else" or "when" expressionKT-48590IllegalArgumentException: ClassicTypeSystemContext couldn't handle: Captured(*) reified type class referenceKT-48633Can't infer builder inference's type argument across local classKT-49136JVM IR: NPE with safe call chain and property set to null by reflectionKT-48570OptIn marker should not spread from class to its membersKT-48928Prohibit using old JVM backend with language version >= 1.6KT-41978NI: Kotlin fails to infer type of function argumentKT-48101Smart cast on base class property is impossible if base class is from another moduleKT-48732JVM / IR: MalformedParameterizedTypeException is thrown when a Spring Bean of suspending function type is registeredKT-47841Turning LV to 1.6 breaks some diagnostics based on jspecify annotationsKT-48498JVM IR: IllegalAccessError with inline function call and property delegation from different moduleKT-48319JVM / IR: AssertionError: FUN caused by suspend lambda inside anonymous functionKT-48835Psi2ir: vararg parameter value is lost when translating adapted function reference to base class memberKT-46908JVM / IR: do not wrap fun interface implementation into another SAM adapter if it inherits from a functional typeKT-48927JVM IR: "VerifyError: Bad invokespecial instruction: current class isn't assignable to reference class" when up-casting and read a base class's private property that has a custom getter in the base class's public functionKT-48992Postpone migration to new operator resolution scheme for integer literalsKT-48290Type bounds warning based on Java annotations not issues with language level 1.6KT-47920There is no warning on violated nullability of type parameter in accordance with java nullability annotationKT-41664Remove the "runtime JAR files in the classpath should have the same version" warningKT-48851Keep using warn mode for jspecify in 1.6KT-46829IR: NullPointerException caused by setting scoped generic extension varKT-42972Forbid protected constructor calls from public inline functionsKT-45378Prohibit super calls in public-api inline functionsKT-48515JSpecify: If a class has a@Nullabletype-parameter bound, Kotlin should still treat unbounded wildcards like platform typesKT-48825JVM IR: NPE with delegated property "by this" to base classKT-48535Make EXPERIMENTAL_ANNOTATION_ON_OVERRIDE warningKT-47928Prohibit declarations of repeatable annotation classes whose container annotation violates JLSKT-47971Report error on declaration of a repeatable annotation class with nested class named ContainerKT-48478JVM IR: Coroutines 1.5.1 + Kotlin 1.5.30 - ClassCastException: CompletedContinuation cannot be cast to DispatchedContinuationKT-48523Kotlin/Native: cross-compilation from Linux to MinGW not working whenplatform.posixis usedKT-48671JVM / IR: "AssertionError: Primitive array expected: CLASS IR_EXTERNAL_DECLARATION_STUB CLASS"KT-46181JVM IR: private @JvmStatic function is generated in the outer class instead of companion object, which breaks existing calls via JNI or reflection (e.g. JUnit @MethodSource)KT-48736JVM IR: assert in SyntheticAccessorLowering when inline function attempts to access package-private field from JavaKT-48653Warnings on non-exhaustive when statements missing in some cases with 1.6KT-48394JVM: Invalid locals caused by unboxing bytecode optimizationKT-20542IllegalAccessError on calling private function with default parameters from internal inline function used in another packageKT-48331JVM / IR: "VerifyError: Bad access to protected data in invokevirtual" when a sealed class uses another sealed class in its same hierarchy level as a constructor parameterKT-48380kotlin.RuntimeException: Unexpected receiver typeKT-47855Kotlin/Native: compilation fails due to Escape AnalysisKT-48291False positive [ACTUAL_MISSING] Declaration must be marked with 'actual' when implementing actual interfaceKT-48445"IAE: Top level call context should not be null to analyze coroutine-lambda" when compiling Kotlin with language version 1.6KT-48618Enable by default "suspend conversion" feature in 1.6KT-47638Drop EXPERIMENTAL_IS_NOT_ENABLED diagnosticKT-48589KotlinTypeRefiner is lost, leading to TYPE_MISMATCH and OVERLOAD_RESOLUTION_AMBIGUITY issues with MPP projectsKT-48615Inconsistent behavior with integer literals overflow (Implementation)KT-47937Implement deprecation of computing constant values of complex boolean expressions in when condition branches and conditions of loopsKT-48391JVM / IR: "AssertionError: SyntheticAccessorLowering should not attempt to modify other files!" caused by class which inherits interface which has default function with default argument from companion const valKT-48552Kotlin/Native: iosArm64 debug build fails in 1.6.0-M1-139KT-46182Native: prohibit using dots in identifiersKT-46230JVM IR: "IllegalArgumentException: Null argument in ExpressionCodegen for parameter VALUE_PARAMETER MOVED_DISPATCH_RECEIVER" with value class overriding function with default parameterKT-48302FIR: Investigate not-null assertion on generic Java methodKT-48350JVM IR: NPE from LocalDeclarationsLowering on property reference with field from outer class used as receiver (1.6.0-M1 regression)KT-48500AE: "Last parameter type of suspend function must be Continuation, but it is kotlin.coroutines.experimental.Continuation" forkotlin-stdlib-commonlibraryKT-48469Problem with properties lazy initialization while using kotlinx.serialization pluginKT-48432Regression in IntRange.contains (and probably other ranges too) when used in-placeKT-44855"AssertionError: SyntheticAccessorLowering should not attempt to modify other files" on smart cast of protected field ownerKT-47542Incorrect ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED after migration to 1.6 on class indirectly extending RuntimeExceptionKT-48166FIR: incorrect common supertype for PSI elements hierarchyKT-47499JVM / IR: java.lang.VerifyError: Bad access to protected data in invokevirtual when trying to clone the result of lambda invocation that is "this" in an extension functionKT-46451JVM Debugging: stepping on finally block end brace line before stepping into finally codeKT-48329It's impossible to infer a type variables based on several builder inference lambdasKT-48193Don't use the builder inference for calls which can be resolved without itKT-46450JVM Debugging: some break statements in catch blocks have no line numbers and you cannot set breakpoints on themKT-48298FIR: incorrect deserialized annotations in back-endKT-48234FIR: false positive NON_INTERNAL_PUBLISHED_API for primary constructor propertyKT-48174IR interpreter: unsupported compile-time callKT-48158FIR: false positive ASSIGNMENT_TYPE_MISMATCH as a result of wrong type inference around callable referencesKT-48109FIR: incorrect type inference for generic argument of intersection typeKT-48161FIR: false positive ARGUMENT_TYPE_MISMATCH for bounded type parameter VS Java not-nullKT-48159FIR: erroneous scope order during type resolve of constructor return typeKT-48165FIR: false positive "initializer should be a constant value" on String.lengthKT-48175FIR: exception for JvmField on local class propertyKT-48164FIR: false positive OVERRIDING_FINAL_MEMBER in enum entryKT-48116FIR: false positive NOT_A_LOOP_LABELKT-48102FIR: false positive ABSTRACT_MEMBER_NOT_IMPLEMENTED with mapped stdlib functionsKT-47911Native compiler on ios_arm64 target generates movi.2d instructions, which are mishandled by Apple hardwareKT-48105FIR: generic/specific callable reference ambiguityKT-14392Repeated annotation with use site target is not detected for getter and setterKT-47493Missed frontend diagnostic in try/catchKT-48058"No type for expression" compiler exception on calls with unused lambdaKT-47597JVM IR: if statement doesn't eval correctly on 1.5.20 possible nullable type differences.KT-47922False negative type mismatch on empty when as last statement of lambdaKT-34594Do not generate fake debugger variables initialization for @InlineOnly functionsKT-47749Incorrect scope of a local variable inside the coroutineKT-47527JVM / IR ClassCastException: "kotlin.Unit cannot be cast to java.lang.String"KT-47840JVM / IR: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER name: x" in nested local functions with recursive callsKT-46448JVM Debugging: Locals in finally blocks not always duplicated when the finally block isKT-47716JVM / IR: NoSuchMethodError when trying to get MAX_VALUE from ULong in non-trivial try/finally contextKT-47762JVM / IR: Properties with the same signatures in inline class and its companion object crashes the compiler with NullPointerExceptionKT-47741JVM / IR: VerifyError: Bad type on operand stack with iterator and invoking method reference to IntIteratorKT-43696ClassFormatError on @JvmStatic external fun in interface companion objectKT-47715JVM / IR, R8: External getter cannot be represented in dex formatKT-47684Add warning onischecks which are always falseKT-47685False positive CAST_NEVER_SUCCEEDS on variable of intersection typeKT-32188NI: False positive "This cast can never succeed"KT-35687NI: Poor cast can never succeed [CAST_NEVER_SUCCEEDS]KT-41331False negative USELESS_IS_CHECK with nullKT-47609JVM IR: "AssertionError: Unexpected number of type arguments" when compiling an extension property with annotation and it extends a value class with a generic parameterKT-47413FIR: Rework FirDelegatedScopeKT-47492Illegal use of DUPDocs & Examples
KT-48534Wrong compiler argument for RequiresOptInIDE
KT-48604MISSING_DEPENDENCY_CLASS in test source sets with kotlin.mpp.enableGranularSourceSetsMetadata=trueIDE. Debugger
KT-47970AE: "Either library or explicit name have to be provided " in IR debugger testsIDE. Gradle Integration
KT-46273MPP: Don't fail import for case of missed platform in source set structureKT-48823Improve error reporting on import when configuration phase in Gradle failedKT-48504MPP: UninitializedPropertyAccessException on import if new hierarchical mpp flag conflicts with other flagsKT-47463MPP: Import fails withTask 'runCommonizer' not found in root projectif Kotlin configured only in moduleIDE. Multiplatform
KT-47604kotlin-stdlib-common leaks into dependencies of Android-specific source setsJavaScript
KT-43783KJS / IR: companion object and nested objects are not exportedKT-47524KJS / IR: Treat protected members as part of exported APIKT-48132KJS / IR: "IllegalStateException" when interface methods don't have default implementationKT-47700Support instantiation of annotation classes on JSKT-48317KJS / IR: "TypeError: ... is not a function" on running code with suspend function inheritorsKT-48344KJS / IR: incorrect call with vararg argument from suspend functionKT-47751Kotlin/JS: IR + IC: "argument has no effect without source map" warnings on buildLibraries
New Features
KT-46423infix extension fun Comparable.compareToKT-47421Stabilize collection buildersKT-48584Introduce JVM readln() and readlnOrNull() top-level functionsPerformance Improvements
KT-45438Remove brittle ‘contains’ optimization in minus/removeAll/retainAllFixes
KT-28378Different behavior of Regex replace function in JVM and JS when replacement string contains group referenceKT-46785Get rid of !! after readLine() in the standard libraryKT-46784Stabilize Duration API in the standard libraryKT-46229Bring back Duration factory extension propertiesKT-27738Make JS Regex.replace not inlineKT-48607Stabilize experimental API for 1.6KT-47304Random#nextLong generates value outside provided rangeKT-47706System property that controls the brittlecontainsoptimizationKT-48999Align behavior of some JS functions with their JVM counterpartKT-46243Typography.leftGuillemete and Typography.rightGuillemete are named inconsistent with standardKT-46101Review deprecations in stdlib for 1.6KT-48456Introduce Common (multi-platform) readln() and readlnOrNull() top-level functionsKT-48587Deprecate some of JS-only stdlib APIKT-39328Make builder collection implementations serializableKT-47676K/JS: MatchResult.next() returns no expected next match if called aftermatchEntireKT-39166Nothing is silently mapped to Void in arguments of the type passed to typeOfKT-39330Migrate declarations from kotlin.dom and kotlin.browser packages to kotlinx.*KT-28753Comparing floating point values in array/list operations 'contains', 'indexOf', 'lastIndexOf': IEEE 754 or total orderKT-38854Gradually change the return type of collection min/max functions to non-nullableKT-38754Deprecate appendln in favor of appendLineNative
KT-48807Cinterop: cannot create bindings for a framework when Xcode 13 RC is installedKT-49384Kotlin/Native: Unexpected variance in super type argument: out@0KT-47424StackOverflowError in IR hashCode() methods compiling KMM module for Kotlin/Native with Kotlin 1.5.0+KT-49234SIGSEGV using the new memory manager in release in Kotlin 1.6.0-RC in MacosX64KT-48566ExceptionInInitializerError when configuring Gradle project with kotlin-multiplatform plugin on a host unsupported by Kotlin/NativeKT-48039Native: support shaded (aka embeddable) compiler jar in Gradle pluginKT-42693Remove dependency on ncurses5 libraryNative. C Export
KT-47209kotlin-native fails to generate valid C header if a setter takes anonymous parameter (_)Native. C and ObjC Import
KT-48074Native: cinterop: __flexarr supportNative. ObjC Export
KT-47809Kotlin/Native: ObjC-export module name usage in klib compilationNative. Platforms
KT-43024Kotlin/Native: Windows as cross-compilation targetNative. Runtime
KT-48452Kotlin/Native: Support thread state switching in termination handlers for the new MMNative. Runtime. Memory
KT-48143Kotlin/Native: test fails with assert with new MM and state checkerKT-48364Uninitialized top-level properties in new MMKT-44283staticCFunction with CValue parameter crashes when invoked off the main threadNative. Stdlib
KT-47662[Native, All platforms] Incorrect parsing of long strings to Float and DoubleReflection
KT-45066Support flexible types (nullability, mutability, raw) in typeOfKT-35877typeOf<MutableList<>> cannot be distinguished from typeOf<List<>> in Kotlin/JVMTools. CLI
KT-49007Support three previous API versionsKT-48622Introduce compiler X-flag to use the builder inference for all calls by defaultKT-32376“no main manifest attribute” on running the jar for cli-compiled Kotlin objects with main functionKT-48026Add the compiler X-flag to enable self upper bound type inferenceKT-47640CLI: support -option=value format as for -Xoption=valueKT-47099Add a stable compiler argument for opt-in requirements as soon as they are stableTools. Commonizer
New Features
KT-48455[Commonizer] Optimistic number commonizationKT-48459[Commonizer] Add opt-in annotation to optimistically commonized numbersFixes
KT-47430[Commonizer] 'platform.posix.DIR' not implementing 'CPointed' when commonized for "unixMain"KT-48567[Commonizer] pthread_self function is not commonized in atomicfuKT-48287[Commonizer] platform.posix.mkdir not commonized in OKIOKT-48286[Commonizer] platform.posix.ftruncate not commonized in OKIOKT-47523MPP: Unable to resolve c-interop dependency if platform is included in an intermediate source set with the only targetKT-48278[Commonizer] platform.posix.usleep not commonized in sqliterKT-46691MPP: Type mismatch for hierarchically commonized typealiasesKT-47221C-interop commonization fails if few targets reuse same source setKT-47775Commonizer don't run for shared native code if test source set depends on mainKT-47053MPP: Unable to resolve c-interop commonized code from shared test source setKT-48118Commonized c-interop lib is not attached to common main source setKT-47641Enabled cInterop commonization triggers native compilation during Gradle sync in IDEKT-47056MPP: Change naming for folder with commonized c-interop librariesTools. Compiler Plugins
KT-48842Compiler crash: Symbol with IrFieldSymbolImpl is unboundKT-48117Kotlin AllOpen Plugin should open private methodsKT-40340jvm-abi-gen plugin: failure with Android D8 (Dexer) toolKT-40133jvm-abi-gen plugin: fails for inline function containing apply block with anonymous objectKT-28704jvm-abi-gen plugin: avoid calling codegen twice per moduleKT-48111JVM / IR: "IllegalAccessError: tried to access method" with NoArg plugin and sealed classTools. Gradle
Performance Improvements
KT-49159KotlinGradleBuildServices leaks Gradle instance when configuration cache is enabledFixes
KT-45504Deprecate Gradle option KotlinJvmOptions.useIR since 1.5KT-49189In Gradle, dependencies on an MPP with Android+JVM fail to resolve in pure-Java projectsKT-48830Change deprecation level to 'ERROR' for 'KotlinGradleSubplugin'KT-48264Cannot write Kotlin build report unless directory existsKT-48745JVM target compatibility check should be disabled when Java sources are emptyKT-49066Setting kotlinOptions.modulePath in an android project breaks incremental compilationKT-48847Remove deprecated kotlin options marked for removal after 1.5KT-48245KGP makes compileOnly configuration resolvableKT-38010Invalid warning "Runtime JAR files in the classpath should have the same version." withjava-gradle-pluginKT-48768Misleading 'jdkHome' deprecation messageKT-46719Remove 'kotlin.useFallbackCompilerSearch' build optionKT-47792KGP should ignore ProjectDependency when customize kotlin DependenciesKT-47867Replace usages of IncrementalTaskInputs with InputChangesKT-46972Migrate Kotlin repo to use Gradle toolchain featureTools. Gradle. JS
KT-49124KJS / Gradle: Unable to load '@webpack-cli/serve' commandKT-49201KJS / Gradle: NPM dependencies resolution may fail on parallel buildsKT-48241KJS / Gradle: NPM test dependency may break Gradle configuration cacheKT-32071Possibility to disable downloading of Node.js and YarnKT-48332Make NodeJsSetupTask and YarnSetupTask not cacheableKT-37895KJS: NPM Post-install Scripts sometimes print "node: not found"KT-34985kotlin-gradle-plugin: Should align ways NodeJs and Yarn are downloadedTools. Gradle. Multiplatform
KT-48709MPP: Task compileKotlinMacosX64 fails on matching native variants if ktlint presentedKT-48919Gradle multiplatform plugin 1.6.0-M1 does not accept apiVersion = "1.7"KT-46343[Commonizer] Use lockfile for NativeDistributionCommonizationCacheKT-48427Execution failed for task ':commonizeNativeDistribution'. > java.io.FileNotFoundException lock (No such file or directory)KT-48513Commonized platform libraries are unresolved in modules for new hierarchical MPP flagKT-48138CInteropCommonizer: Missing commonization request if test source set has different targets than associated mainKT-35832Gradle: MPP plugin operates with -Xuse-experimental and not with -Xopt-inTools. Gradle. Native
KT-48729Test-source sets receive extra unnecessary granular dependencies to more common source sets when depending on MPP-libraryKT-37511CocoaPods Gradle plugin: Support incremental task execution when switching between Xcode and terminalKT-47362Cocoapods plugin: add error reporting for case when pod is not installed on user machineKT-37513CocoaPods Gradle plugin: Support building tests from terminal for projects depending on podsTools. Kapt
KT-45545Kapt is not compatible with JDK 16+KT-47853KaptWithoutKotlincTaskeagerly resolves dependencies during construction/configuration and can cause deadlocksKT-47934KaptJavaLog is unable to map stub back to the kotlin sourceKT-48195Kapt causes dead lock in DefaultFileLockManagerTools. Scripts
KT-49400Script resolver options can't take values with special symbols (/, , $, :, .) in themKT-49012Compiling .kts script with inner class declaration fails with Backend Internal Error caused by AE: "Local class constructor can't have dispatch receiver"KT-47927Script: memory leak with new enginesKT-48025JVM / IR / Script: IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER caused by method tnat returns outer functionKT-48303main.kts script fails to detect vanished dependencies if run from the cacheKT-48177Scripts: OutOfMemoryException with circular@file:ImportKT-46645Scripts: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" caused by get accessorChecksums
v1.5.32: Kotlin 1.5.32Changelog
Tools. Gradle. Multiplatform
KT-49798[MPP] [Android] AGP 7.1.0+ android target publications leak 'AgpVersionAttr' attributeChecksums
v1.5.31: Kotlin 1.5.31Changelog
Compiler
Fixes
KT-48659JVM / IR: Referential equality returns true for different instancesKT-48613Kotlin/Native fails to compile debug binaries for watchosArm64 targetKT-48316"No value passed for parameter" regression with Java annotation default values with JSR-305KT-48343Mistake in an error message for uninferred type variable without unrestricted builder inferenceKT-48543Native compiler crashes because of bridges for $default stubsKT-48349OptIn markers are forbidden on local variable / value parameter / property getter only in presence of explicit Target annotationKT-48295JVM / IR: VerifyError: Bad access to protected data in getfieldKT-48551JVM / IR: "IllegalStateException: Inline class has no primary constructor" caused by inline class from one module andfun interfacefrom anotherKT-47917JVM: "UTF8 string too large" caused by a big stringKT-48440JVM IR: Missing checkcast in generated bytecode causes VerifyError in Kotlin 1.5.30KT-48361INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in some positionsKT-48267JVM IR: CCE on callable reference to Array constructor passed to inline functionIDE
KTIJ-15744Reopening build.gradle.kts-based project reports MISSING_SCRIPT_BASE_CLASS KotlinBuildScript until re-importKTIJ-19005JDK 17: "PermittedSubclasses requires ASM9" exception multiple times per second during analysisKTIJ-19504IDE highlighting: Kotlin plugin 1.5.30 started showing some valid classes from multiplatform libraries as not existingNative
KT-48591Kotlin/Native: Char.isHighSurrogate and Char.isLowSurrogate return wrong result for macosArm64 and iosArm64 with compiler cache enabledKT-48491CInterop broke in Kotlin 1.5.30Checksums
v1.5.30: Kotlin 1.5.30Changelog
Backend. Native. Debug
KT-47405Incorrect path from inlined method in stacktrace on iOS-simulator ARM64KT-47408Incorrect line number of inlined method on iOS-simulator ARM64Compiler
New Features
KT-44261Support RxJava 3 nullability annotationsKT-32443Experimental declarations should be contagious even when they are not explicitly usedKT-45844Forbid using experimental markers on override declarationsKT-45845Forbid using experimental markers on getterKT-46644Resolve overrides for IrProperty on deserializationKT-46967Support class type parameters annotations in FIRKT-47402Native: optimize access to object declarations that have only const vals and no init blocksKT-47709Make when statements with enum, sealed, and Boolean subjects exhaustive by defaultKT-47699Support programmatic creation of class annotations and corresponding feature flag on JVMPerformance Improvements
KT-45103Direct invoke optimizationKT-47785Compilation time increased when trying to compile AssertJ DB expression in 1.5.21Fixes
KT-48361INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in some positionsKT-48180JVM / IR: AssertionError: "Lambda with offset already exists" caused by calling inline function with default lambda parameterKT-47328JVM / IR: NoSuchFieldError with missing CHECKCASTKT-48172"IllegalStateException: Cannot serialize error type: [ERROR : ]" in 1.5.21 with java kotlin interopKT-48230JVM IR: CCE for multiple receivers caseKT-48262"Inconsistent type" with JSpecify @NullMarkedKT-48167JVM / IR: If Map#entrySet is implemented in an interface, Kotlin compiler generates incorrect code for its implementationKT-47988JVM / IR: "VerifyError: Bad type on operand stack" when invoking apply with a local method referenceKT-48163JVM / IR: "VerifyError: Bad type on operand stack" when throwing result of smartcastKT-47833False positive "Type argument is not within its bounds " with upcasting in 1.5.30-M1KT-47830Some code doesn't compile with unrestricted builder inferenceKT-39883Deprecate computing constant values if complex boolean expressions in when condition branches and conditions of loopsKT-47037Eliminate builder inference restrictionsKT-46726IR + BuilderInference: AssertionError: Unbound private symbol on usage of this in a BuilderInference lambdaKT-43855Support gradual introduction of new nullability annotationsKT-43142FIR: Check UPPER_BOUND_VIOLATED for type alias constructors properlyKT-45228Leaking builder inference type variables though callable referencesKT-42270NI: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER for BuilderInference with extension functionsKT-46029JVM / IR: "Unbound private symbol: " when trying to save SequenceScope in propertyKT-45258Wrong CST between types which contain stub typeKT-45224Type safety problem through leaking of the builder inference scopeKT-22852Report diagnostics on implicit usages of experimental APIKT-22941Experimental marker annotation with SOURCE retention is compiled without errorKT-24993Inference for buildSequence/yield doesn't work for labeled lambdasKT-31728Incorrect EXPERIMENTAL_OVERRIDE_ERROR for override of experimental function in anonymous objectKT-33364Kotlin/Native debugger: execution stops only at next line for breakpoint at when expression without parameterKT-42139NI: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER for emptyList / listOf (with no arguments) / emptyMap / mapOf (with no arguments) inside if block insidesequenceblockKT-44241NI: BuilderInference regressionKT-44372FIR: KClass::java cannot be resolved as callable referenceKT-44547Native: wrong RTTI when overriding functions with equal signatures but different type argumentsKT-44571Segfault on unnecessary int unboxingKT-45083Problem with property reference in builder inferenceKT-45315Deprecate (V)::a reference resolution to companion in FE 1.0KT-46393AE: "1 trailing arguments were found in Any type" for private function with implicit anonymous return type inside generic classKT-46661FIR: Investigate inference issue with self-types and star projectionKT-46775[Native] [IR] Support multiple suspend lambdas as class supertypesKT-46836Error: Invalid LLVM module on inlineClasses external testsKT-46838NullPointerException: Parameter specified as non-null is null in CollectionsKt.joinToString()KT-46896Native IR: NPE when using irBuiltIns.suspendFunctionKT-46996FIR: INFERENCE_NO_INFORMATION_FOR_PARAMETER on type aliases with non-trivial expansionsKT-47034KtValueArgument.getArgumentExpression could lead to StubBasedPsiElementBase.notBoundInExistingAstKT-47052BuilderInference case with flatMapTo doesn't work properlyKT-47082Stub type variable is leaked (reproduces with K/N during deserialization)KT-47143ClassicTypeSystemContext couldn't handle: Captured(*) in Kotlin 1.5.0KT-47148Type mismatch: inferred type is Any? but T? was expectedKT-47180Forbid using OptIn markers on local variable, value parameter or fieldKT-47181Forbid using OptIn markers on types or type parametersKT-47183Segfault on int unboxingKT-47208Backend Internal error: Exception during IR lowering: assert at IrOverridingUtilKt.buildFakeOverrideMemberKT-47276Nullability annotations without target are ignored if type enhancement improvements are enabledKT-47450StackOverflowException in psi2ir with many chained binary expressionsKT-47462K/N: AssertionError: Unbound private symbol org.jetbrains.kotlin.ir.symbols.impl.IrClassSymbolImpl@6cb748d(NON-PUBLIC API): deserialized class CompanionKT-47941"IllegalStateException: Expected some types" on a call with several excepted type constraintsKT-47854"IllegalArgumentException: Type is inconsistent" with Android's @Nullable annotation starting in Kotlin 1.5.20KT-47899"AssertionError: Intersection type should not be marked nullable" with 1.5.21KT-47846Stack overflow when handling enhanced recursive type parameterKT-47747Introduce specific error for calls which could be resolved only with unrestricted builder inferenceKT-47739JVM / IR: NoSuchFieldError with generic sealed classesKT-47422-Xjspecify-annotations: If a class has a @Nullable type-parameter bound, Kotlin should still treat some users' type arguments as platform typesKT-47437Type inference failure with raw types under -Xjspecify-annotations=strictKT-47396<?> in @NullMarked code should permit nullable typesKT-47729False positive INTEGER_OPERATOR_RESOLVE_WILL_CHANGE warning: "expression will be resolved to Int in future releases"KT-47333Xcode 13: Compilation for iOS simulator failsKT-47772False negative WRONG_ANNOTATION_TARGET on type argument to function callKT-47467JVM / IR: "AssertionError: Annotation class expected: deserialized class Array" caused by java annotation as a parameter of another annotationKT-47744UninitializedPropertyAccessException compiler exception on nested builder inference callsKT-47724Type inference: False positive "Returning type parameter has been inferred to Nothing implicitly"KT-47660JVM / IR: Mockito verification fails when named parameters are ordered differentlyKT-47589Using RequiresOptIn annotation on constructor property results in error even if the annotation has no VALUE_PARAMETER targetDocs & Examples
KT-47649Important note about KJS IR compiler and stdlib compatibility in 1.5.30IDE
KT-44643ISE: Could not generate LightClass for some declared in on initialisation bylazyin a JVM module of a multiplatform projectKT-47947Add language version 1.6 to the compiler configuration preferencesIDE. Gradle Integration
KT-47163KJS / Gradle:Could not resolve <artifact>despite being resolvable & project buildableIDE. JS
KT-46548KJS: Create an IDE plugin to help with migration to and keeping compatibility with JS IR BEKT-47557KJS: With NPM dependency IDEA import fails when performed before Gradle buildJavaScript
KT-46204KJS / IR: SupportSuspendFunctionNas super typeKT-38363JS IR BE: support IC for loweringsKT-41651JS IR BE: DCE removesrendermethod from react components passed to the kotlinx.reactKT-46520KJS / IR: ISE "Can't find name for declaration FUN name:CharArray_init_$Create$" on callable reference to Array constructorKT-45738KJS / IR: Wrong generated code forwhenstatementKT-46551KJS / IR: Add a basic sourcemap generationLibraries
KT-47477Could not resolve kotlin-test during project import in case of multiplatform with only JVM target platformKT-47675Converting Double to Duration may expose inexactnessKT-47419Remove method of the MapBuilder iterator throws IOOBE instead of IllegalStateExceptionKT-47211Kotlin Native - AbstractMutableList.addAll (with index) does not throw IndexOutOfBoundsException if elements is emptyKT-23351Regex.splitToSequence, CharSequence.splitToSequence(Regex)KT-42851kotlin.time.Duration toString() shows wrong result for secondsKT-45325Parsing Duration from StringKT-34021Regex.matchAt / matchesAtNative
KT-35001warning: linking module flags 'SDK Version': IDs have conflicting values ('[2 x i32] [i32 13, i32 2]'KT-43475Kotlin/Native compiler: Including a static C library increased cross-compilation time from 3.5minutes to 1 hour 40 minutesKT-44148Escape analysis failure: Heap space out of memoryNative. C and ObjC Import
KT-46711platform.windows._LARGE_INTEGER cannot be passed by valueNative. ObjC Export
KT-43780Improve Swift/Obj-C ergonomics for object and companion objectKT-46431KMP accessing a property of an anonymous inner class that inherits from an abstract class causes a 'NSGenericException', reason: '[Shared_kobjcc0 ] is abstract' exception.KT-47042Kotlin/Native: Concurrency Interoperability with Objective-C (Swift 5.5)Native. Stdlib
KT-47915Kotlin/Native: Provide access to test cases generated by the compilerNative. Platforms
KT-44321Support Apple Silicon without Rosetta 2Reflection
KT-18277InvalidProtocolBufferException: Stream closed on multithreaded access to built-ins data in reflectionKT-44977Reflection: ClassCastException caused by annotations with "AnnotationTarget.TYPE" usage on array attributes accessKT-47650KClass::nestedClasses throws ClassCastException for script classes with type aliasesTools. CLI
KT-47623Deprecate -Xuse-experimentalKT-30778kotlin-compiler.jar contains shaded but not relocated kotlinx.coroutinesKT-40979CLI: Executing "kotlinc.bat" at a root path, errors are not reported with a correct filepathKT-40994CLI: Add documentation for -J argument inkotlinc -helpKT-46764CLI: Java record defined in a single file root is not resolvedTools. Commonizer
KT-47433[Commonizer] Commonize functions/properties with TA/Class types in signatureKT-47691[Commonizer] CommonizevarandvalpropertiesKT-47434[Commonizer] Commonize parameterized (type-alias + class) typesKT-47432[Commonizer] Commonize (type-alias + class) types used in functionsKT-45992[Commonizer] Allow commonization of TypeAlias and Class with same nameKT-46716[Commonizer] Analyze leaf source sets with original platform librariesKT-46957[Commonizer] Unresolved classifier: platform/posix/ptrdiff_t for linuxMips32KT-47133Forbid cinterop commonization with hierarchical commonization turned offKT-47301[Commonizer] Associative commonizationTools. Compiler Plugins
KT-46723Kotlin Lombok: JPS: config file is searched in directory relative to compiler daemonKT-46739@SerialInfo NPE with default parameterTools. Daemon
KT-47152Incremental Compilation with Kotlin compile daemon and JDK 17 fails with IllegalAccessExceptionTools. Gradle
New Features
KT-45757Add an easier way to explicitly set Kotlin daemon jvm argumentsFixes
KT-47940Kotlin JVM toolchain breaks configuration cacheKT-46626kotlin-android plugin with kotlin-dsl: Extension with name 'android' does not exist. Currently registered extension names: [ext, kotlin, kotlinTestRegistry]KT-47754“'compileDebugUnitTestJavaWithJavac' task (current target is 1.8)” during build android project without specified target and with jvmToolchain = JDK 11KT-47520Kotlin and Java target compatibility check produces false positive on using Gradle toolchainsKT-46978Duplicate resource errors on gradle 7 with multi-module multiplatform project with withJavaKT-27687Empty directories in source set causes gradle cache miss for KotlinCompile taskKT-47635Kotlin version conflict on using 'noarg' Gradle pluginKT-47636Kotlin version conflict on using 'sam-with-receiver' Gradle pluginKT-47354Kotlin version conflict on using 'allopen' Gradle pluginKT-45202Kapt crashes with java.io.UTFDataFormatExceptionKT-13258Kotlin compiler doesn't respect Gradle's "sourceCompatibility" and "targetCompatibility"KT-43095Add support for Java Toolchain to the Gradle pluginKT-45611KGP should declare JDK version as inputKT-47185Migrate Gradle Integration tests to use cache redirectorKT-48226Kotlin toolchain does not set 'jvmTarget' for Kotlin tasks on configuration cache reuseKT-44279Kotlin-Android Gradle Plugin (KGP) should react to application of AGP rather than assume it was applied firstKT-44041PersistentEnumeratorBase$CorruptedException: PersistentEnumerator storage corruptedTools. Gradle. JS
KT-47436KJS / IR: Compiler plugins not provided to link taskKT-46693KJS: Update node.js version used inside gradle to latest 14.xKT-47559KJS / Gradle: Run task created using eager API and breaks task configuration avoidanceKT-47176KJS: Actualize NPM dependenciesKT-47154KJS / Gradle: Compile task reads dependencies metadata from filesystem too long on large projectsKT-47114KJS / IR: Could not resolvecoroutines-core-jsKT-43379KJS / Gradle: On windows, an invalid regex is generated for Webpack ProgressPluginTools. Gradle. Multiplatform
KT-47210[Commonizer] Avoid commonization of test source set hierarchy if possibleKT-46279[Commonizer] Gradle 7.0 will emit warning for metadata compilation in multimodule buildsKT-47126ios() target shortcuts should not include Apple Silicon by defaultKT-38111Gradle DSL: rename useExperimentalAnnotation functionKT-47126ios() target shortcuts should not include Apple Silicon by defaultKT-47612Task :buildKotlinToolingMetadata is incompatible with Gradle configuration cacheKT-47611Task :generateMetadataFileForKotlinMultiplatformPublication is incompatible with Gradle configuration cacheTools. Gradle. Native
KT-42023Kotlin Native Cocoapods plugin fails when Xcode project has custom CONFIGURATION namesKT-47653Support multi arch build via embedAndSign taskKT-47078Support Apple Silicon in cocoapods gradle pluginKT-47077Support Apple Silicon in embedAndSign taskTools. Incremental Compile
KT-27660JS Incremental compilation fails with java.io.IOException: java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0KT-36865IC: "ArrayIndexOutOfBoundsException: Array index out of range: 0"KT-35532Incremental compilation often fails on @JVMMultifileClassKT-19806IncrementalPackagePartProvider cache corruption causes frontend exceptionTools. JPS
KT-47753JPS: "IndexOutOfBoundsException: Index 0 out of bounds for length 0": Rebuild triggered due to IOOBE inkotlin.incremental.LookupStorage.<init>KT-46804Slow Kotlin incremental build: LookupStorage operationsKT-45763Failing tests in KotlinIDETools. Maven
KT-45689JDK-16: kotlin-maven-plugin fails withIllegalAccessError: class com.intellij.util.io.FileChannelUtilwhen using incremental compilationTools. Scripts
KT-43917Gradle dependency conflict with resolutionStrategy failOnVersionConflict and kotlin 1.4KT-46646Scripts: ArrayIndexOutOfBoundsException on an empty script runningTools. REPL
KT-47783REPL: Keywords completion appears after numeric and string literalsTools. kapt
KT-47583KaptJavaLog fails on Java 17 due to removed constructor in com.sun.tools.javac.util.LogKT-47347KAPT: Stub generation in Gradle cache is not consistently relocatableKT-46651KAPT: "Source file or directory not found" - kaptGenerateStubsDebugKotlin task does not track source files properly with configuration cache enabledChecksums
v1.5.21: Kotlin 1.5.21Changelog
Compiler
KT-47320"StringConcatException: Mismatched number of concat arguments" String concatenation fails when template contains special characterKT-47445"definitely not null type parameters is only available since language version 1.6" error in cast expressionKT-47446Improve warning message INTEGER_OPERATOR_RESOLVE_WILL_CHANGEKT-47447False positive INTEGER_OPERATOR_RESOLVE_WILL_CHANGE warning: "expression will be resolved to Int in future releases"KT-47449JVM / IR: ClassCastException IrStarProjectionImpl cannot be cast to IrTypeProjectionKT-47459"IndexOutOfBoundsException: Index 0 out of bounds for length 0" caused by MarkertManager dependencyKT-47480StackOverflowError: Recursion on erasion of raw type with interdependent type parametersTools. Compiler Plugins
KT-47161Serializable class can't be inherited from serializable class in other module with: e: org.jetbrains.kotlin.codegen.CompilationException: Back-end (JVM) Internal error: Couldn't transform method node: write$SelfKT-47455Kotlin lombok plugin NullPointerExceptionKT-47513Lombok compiler plugin failed with 'Recursion detected in a lazy value under LockBasedStorageManager@1c21db6(TopDownAnalyzer for JVM)'Tools. Gradle
KT-47444Gradle Plugin: Publishing project with "maven-publish" fails when dependency versions are omitted (NPE in MppDependencyRewritingUtilsKt.associateDependenciesWithActualModuleDependencies)Tools. kapt
KT-47416Kapt Gradle DSL ignores javaCompilerOptions in 1.5.20Checksums
v1.5.20: Kotlin 1.5.20How to update to a new release
Changelog
Compiler
New Features
KT-43262No error for Java generic class @NotNull type parameter used in Kotlin with nullable type argumentKT-44373FIR: support error / warning suppressionKT-45189Support nullability annotations at module levelKT-45284Emit warnings based on jspecify annotationsKT-45525Allow to omit JvmInline annotation for expect value classesKT-46545Emit annotations on function type parameters into bytecode for -jvm-target 1.8 and abovePerformance Improvements
KT-36646Don't box primitive values in equality comparison with objects in JVM_IRFixes
KT-8325Unresolved annotation should be an errorKT-19455Type annotation unresolved on a type parameter of a supertype in anonymous object expressionKT-24643Prohibit using a type parameter declared for an extension property inside delegateKT-25876Annotations on return types and supertypes are not analyzedKT-28449Annotation target is not analyzed in several cases for type annotationsKT-36770Prohibit unsafe calls with expected @NotNull T and given Kotlin generic parameter with nullable boundKT-36880K/N IR: Reference to expect property in actual declaration is not remappedKT-38325IllegalStateException: No parameter with index 0-0 when iterating Scala 2.12.11 ListKT-38342FIR: Consider renaming diagnostic from AMBIGUITY to OVERLOAD_RESOLUTION_AMBIGUITYKT-38476[FIR] Forgotten type approximationKT-38540Kotlin/Native Set.contains fails with specific enum setupKT-40425IrGenerationExtension. Support simple reporting to compiler output (for development/debug)KT-41620ClassCastException: Class cannot be cast to java.lang.VoidKT-41679NI: TYPE_MISMATCH wrong type inference of collection with type Any and integer literalKT-41818NI: False positive IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION leads to NothingValueException on delegated propertiesKT-42239IR: Report compilation error instead of throwing an exception (effectively crash compiler) when some declaration wasn't found while deserializationKT-42631ArrayIndexOutOfBoundsException was thrown during IR loweringKT-43258NI: False positive "Suspend function 'invoke' should be called only from a coroutine or another suspend function" when calling suspend operator fun on object property from last expression of a crossinlined suspend lambdaKT-44036Enum initialization orderKT-44511FIR DFA: smartcast afterif (nullable ?: boolean)KT-44554RAW FIR: NPE in RawFirBuilderKT-44682raw FIR: incorrect source for qualified accessKT-44695*_TYPE_MISMATCH_ON_OVERRIDE checkers do not work for anonymous objectsKT-44699FIR: incorrect lambda return type (led to a false alarm: PROPERTY_TYPE_MISMATCH_ON_OVERRIDE)KT-44802FIR bootstrap: trying to access package private classKT-44813FIR bootstrap: various errors in collection-like classesKT-44814FIR bootstrap: incorrect cast in when branchKT-44942[FIR] ClassCastException in boostrap testsKT-44995FIR: false positive for ANNOTATION_ARGUMENT_MUST_BE_CONSTKT-45010FIR: lambda arguments of inapplicable call is not resolvedKT-45048FIR bootstrap: VerifyError on KtUltraLightClassKT-45052FIR bootstrap: inapplicable candidate in GenerateSpecTests.ktKT-45121FIR IDE: redundant vararg parameter type transformationKT-45136Native: dividing Int.MIN_VALUE by -1 crashes or hangsKT-45236JVM / IR: "IllegalStateException: Symbol with IrTypeParameterSymbolImpl is unbound" caused by contracts and sealed classKT-45308Psi2ir: "AssertionError: TypeAliasDescriptor expected" caused by using typealias from one module as a type in another module without a transitive dependencyKT-45316[FIR] Ambiguity between two implicit invokes with receiverKT-45344FIR: Wrong inferred type for nullable type parameterKT-45385FIR: false positive MUST_BE_INITIALIZED_OR_BE_ABSTRACT after rethrowKT-45475[FIR] No smartcast after throw in if inside try blockKT-45508False negative ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED on a fake override with an abstract super class memberKT-45578REPL: Unresolved imports are cached for the subsequent compilationsKT-45685JVM IR: capturing a variable into crossinline suspend lambda makes the function inside inline function no longer unbox ResultKT-45584[FIR] Fix overriding property and java function in java classKT-45697JVM IR: ISE "Function has no body" on getter of private field in a class present both in sources and dependenciesKT-45842Compiler doesn't allow a shared class to inherit a platform-specific sealed classKT-45848False negative [SEALED_INHERITOR_IN_DIFFERENT_MODULE] error in compiler for a platform-specific inheritor of a shared sealed classKT-45931There is no warning based on nullability java annotationKT-45998JVM IR: AE when an accessor to a protected companion object member is being generated in child classKT-46048Enum entries init order in companion objectKT-46074FIR: private-in-file fun interface is considered invisible in this fileKT-46173No error reporting on annotations on target type ofasexpression in returnKT-46235JVM IR: Stack overflow error on large expressionsKT-46270[FIR] Support@PublishedAPIin inline checkerKT-46539Generate annotations on type parameters bounds in bytecodeKT-46578JVM IR: IllegalAccessError accessing property delegated to java super class protected field referenceKT-46597JVM IR: AssertionError: SyntheticAccessorLowering should not attempt to modify other files - crossinline accessorKT-46601JVM / IR: IllegalStateException: "Can't find method 'invokeinvoke`" when default lambda takes inline class parametersKT-46670StackOverflowError on inheritance from raw type where class has protobuf-like recursive genericsKT-46715JVM / IR: "AssertionError: Unbound symbols not allowed IrConstructorSymbolImpl" with enum classes with the same name in test and src foldersKT-46759JVM IR: CCE in LateinitUsageLowering on @JvmStatic lateinit property in objectKT-46777[Native] [IR] Support suspend function as super typeKT-46802JVM / IR: "UnsupportedOperationException: Unknown structure of ADAPTER_FOR_CALLABLE_REFERENCE" caused by function reference on @JvmStatic function with unused default parametersKT-46813JVM / IR: "ClassCastException: Integer cannot be cast to class Result" with Flow andfoldmethodKT-46822JVM IR: StackOverflowError on compiling a large data classKT-46837Backend Internal error: Exception during IR lowering: assert at IrOverridingUtilKt.buildFakeOverrideMemberKT-46921JVM / IR: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" caused by crossinline parameter and label returnKT-46984Type parameter bounds aren't used to report corresponding mismatch warningsKT-46985There aren't warnings by java nullability annotationsKT-46986There aren't warnings by java nullability annotationsKT-46989There aren't warnings by java nullability annotationsKT-46990There aren't warnings by java nullability annotations on method's violated type argumentsKT-47019K/N: IrProperty.overriddenSymbols can't be used in common IR backend modules yet because it doesn't fully work in NativeDocs & Examples
KT-33783Document when a range created with rangeTo is emptyIDE
KT-44638clone()call is unresolved in JVM module of a multiplatform projectKT-45629[ULC] KtUltraLightFieldForSourceDeclaration.nameIdentifier returns nullKT-44825Can't open Kotlin compiler settings in newly created projectKT-45908Reproduciable 'org.jetbrains.kotlin.idea.caches.resolve.KotlinIdeaResolutionException: Kotlin resolution encountered a problem while analyzing KtNameReferenceExpression'IDE. FIR
KT-45175FIR IDE: Exception with local property ininitblockKT-45199FIR IDE: Error while collecting diagnostic on stale element after replacing element in quickfixKT-45312FIR IDE: FIR plugin throws exception on synthetic functionIDE. Gradle Integration
KT-34401KotlinGradleModelBuilder builds models for non-kotlin modules and always trigger full task configuration.KT-45277Wrong jvm target in gradle module in IDEAKT-46488Import of a multiplatform project with MPP module depending on Kotlin/JVM one failsIDE. Inspections and Intentions
KT-45075Inspection: Redundant creation of Json formatKT-45347Sealed interfaces: quickfix to move to package/module of sealed class/interface should not be shown in case of read-only declarationKT-45348Sealed interfaces: show error for usage of sealed class/interface from a library in Java source codeKT-46063In multiplatform code, suggest to generate remainingwhenbranches at least for shared sealed classesIDE. Refactorings
KT-44431Quickfix to move class/interface to proper location: it is allowed to choose test source in JPS project while compiler does not allow itIDE. Native
KT-39320[Commonizer] Reduce memory consumptionJavaScript
KT-40235KJS: IR. Broken support for external interface companionKT-40689KJS / IR: strange and slow code for kotlin.math.max and kotlin.math.min for DoubleKT-44138KJS / IR: Constant folding works incorrectly with unsigned arithmeticKT-44394KJS / IR:nullcompanion object for existed stdlib interfacesNodeFilterandSVGUnitTypesKT-44950KJS / IR: "IllegalStateException: Can't find name for declaration" in case of extending export declared class without @JsExport annotationKT-45057KJS / IR: "ClassCastException" when usingjsfunction in init blockKT-45361KJS / IR:IrConstructorCallrepresenting annotation always returnsUnitKT-46608KJS: "Could not load content..." for source mapsKT-45655KJS: "REINTERPRET_CAST" is not copyableKT-45866Default parameter with generic in expect-actual declarationsKT-46859Exception during IR lowering: NullPointerException was thrown at: optimizations.FoldConstantLowering.tryFoldingUnaryOpsKMM Plugin
KT-43899KMM: Fix "stale framework" usage by XCode & AppCode in default build scriptLibraries
KT-43701Stdlib: Expand KDoc of inc() and dec() for operatorsKT-46002Support all Unicode digit chars in digitToInt (JS and Native)KT-46183Add default value for ignoreCase in K/N String.replace/replaceFirstKT-46184Equivalize isLowerCase and isUpperCase behavior in all platformsNative
KT-33175IR: String constants with incorrect surrogate pairs aren't preserved during serialization/deserializationKT-44799Different behavior with functional interfaces in Kotlin/Native on iOSNative. C Export
KT-42796[Reverse C Interop] Package with no public methods generate empty struct in the header, leading to an errorNative. ObjC Export
KT-38600Kotlin MP iOS Target doesn't contain kdoc commentsKT-45127KMM: hard to pass an error to Kotlin code from implementation of Kotlin method in Swift codeNative. Runtime. Memory
KT-45063Profiling indicates that a lot of time is spent on updateHeapRef on Apple platforms when running KMP codeReflection
KT-10838Provide sensible toString() for property accessors in reflectionKT-13490Equality doesn't work for KProperty.Accessor implementationsTools. CLI
KT-14772ISE (FNFE "Not a directory") on compilation with destination argument clashing with an existing file which is not a directoryKT-18184CompileEnvironmentException: Invalid jar path on "-d" with .jar in non-existing directoryKT-40977Report a readable diagnostic on empty -J argument in CLITools. Commonizer
KT-45497[Commonizer] c-interop commonization: Dependency commonizationKT-46077[Commonizer] Addcommonizer_targetto commonized klib's manifestKT-46107[Commonizer] CInteropCommonizerTask receives faulty dependencies in multi module projects containing multiple c-interopsKT-46248MPP: Compile KotlinMetadata fails with Unresolved reference if only one native platform from shared source set is availableKT-46856[Commonizer] Many targets can fail with 'filename too long'Tools. Compiler Plugins
KT-7112Support calling Lombok-generated methods within same moduleKT-45538Serialization, JVM IR: "AssertionError: No such type argument slot in IrConstructorCallImpl" with inner classesKT-45541JVM / IR / Serialization: NullPointerException caused by "Serializable" annotation and local data classKT-46469Kotlin Lombok: accessors withAccessLevel.MODULEfail to resolveKT-46529Kotlin Lombok: with@Accessorswithout explicitprefixthe prefix from lombok.config is not taken into accountKT-46531Kotlin Lombok:lombok.getter.noIsPrefixis processed depending on character caseKT-46920NullPointerException in CodeGeneratorVisitor when packing for xcodeTools. Gradle
KT-24533Kapt should not run when annotation processors are not configuredKT-43988Enable plugin validation during buildKT-45301Gradle: Emptybuild/kotlindir with custom build directoryKT-45519loadAndroidPluginVersion() impacts performance negatively and noticeably in multimodule Android buildKT-45744Create Kotlin Gradle Plugin JUnit5 basic test setupKT-45834Gradle Plugin read system property related to kotlinCompilerClasspath breaks use of configuration cacheKT-46401Deprecate 'kotlin.parallel.tasks.in.project' build propertyKT-46820Gradle: kotlinc (1.5.0) race condition causes a NullPointerExceptionKT-47317Restore 'kotlinPluginVersion' property in 'KotlinBasePluginWrapper'Tools. Gradle. JS
KT-42911Support Gradle configuration cache for K/JS tasksKT-45294KJS / Gradle: Number of modules in project affects JS tasks configuration cache state sizeKT-45754KJS / IR: Remove adding option of source maps in Gradle pluginKT-46178KJS / Dukat: Added as a dependency always without conditionKT-46976KJS: Broken support for dynamically createdwebpack.config.dKT-47045[Gradle, JS] Task requirements are added to all compilations with same nameTools. Gradle. Multiplatform
KT-36679MPP Gradle plugin: Improve messaging for the commonizerKT-45832CInteropCommonization: Filter out illegal dependenciesKT-46394Multiplatform: Gradle 7 supportKT-46517Add kotlin-project-model as api dependency to kotlin-gradle-plugin-apiTools. Gradle. Native
KT-27240MPP Gradle plugin: Provide a framework packing task for Kotlin/NativeKT-39016Missing stdlib when the downloading process was abortedKT-40907Xcode error after switching between device and simulator: Building for iOS, but the linked and embedded framework was built for iOS Simulator.KT-44059iosSimTest tasks are never up-to-dateKT-45801compileIosMainKotlinMetadata compilation property of gradle task is not initialized and fails withExecution failed for task ':shared:generateProjectStructureMetadata'KT-46680Register concrete "embedAndSign" tasks instead umbrellaKT-46892Kotlin Multiplatform Gradle Plugin: EmbedAndSign task always contains a default framework nameTools. Incremental Compile
KT-44741Incremental compilation: inspectClassesForKotlinIC doesn't determine changes with imported constantTools. JPS
KT-34351KotlinTargetsIndex creation takes too long even if project doesn't have any kotlinKT-45191[JPS] Marking method as "default" in Java SAM interface doesn't affect dependenciesKT-46242Support Lombok kotlin plugin in JPS and mavenTools. kapt
Performance Improvements
KT-28901Consider caching annotation processors classloadersFixes
KT-27123kapt: missing space in error log makes location non-clickableKT-29929[Kapt] Stub generator uses constant value in method annotation instead of constant name 2.KT-31146kapt: executableElement.getAnnotation(JvmOverloads::class.java) returns nullKT-32202Gradle task kaptKotlin fails: "module not found" in Java 11 modular applicationKT-34838Kapt: 'cannot find symbol' for a top-level property with anonymous delegateKT-35104Support @JvmStatic in KAPT stubsKT-35167Kapt Gradle plugin doesn't handle --module-path javac argumentKT-37586KAPT: When delegated property use an unknown type (to-be-generated class),correctTypeErrorwill mess up the$delegatefield typeKT-39060Kapt: correctErrorTypes don't retain return type of getter in Java stubKT-39715KaptGenerateStubsTask resolves annotation processor options too early (before execution time)KT-41581Kapt doesn't have line breaks between warningsKT-43804Kapt fails to preserve parameter names in open suspend functionsKT-43686KaptWithoutKotlincTask should use@CompileClasspathforkotlinStdlibClasspathfor cache relocateability.KT-45032Kapt: NullPointerException: insnList.first must not be nullKT-46176Kapt: "java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 3" with delegation and property referenceChecksums
v1.5.10: Kotlin 1.5.10How to update to a new release
Changelog
Compiler
Fixes
KT-41078Incorrect type substitution in contracts with type parametersKT-44770JVM / IR: "IllegalArgumentException: Unrecognized Type: [null]" Jackson doesn't recognize typeKT-45084JVM IR: "NoSuchElementException: Sequence contains no element matching the predicate" when inline class is passed to lambda with >22 parametersKT-45779JVM / IR: java.lang.NoSuchMethodError: 'int java.lang.Integer.plus(int)' caused by function referenceKT-45941JVM IR: local functions use generic type parameters of the outer class in the bytecode, which breaks Bytebuddy and MockKKT-46149Generate synthetic classes for SAM adapters with erased instead of generic supertypeKT-46189JVM IR: tailrec function with capturing lambda in default parameter value leads to NoSuchMethodError at runtimeKT-46214JVM / IR: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" on a suspend function in an inner classKT-46238JVM IR: BootstrapMethodError in JDK 11+ on intersection type passed in arguments of SAM adapter where SAM interface's type parameter has a non-trivial upper boundKT-46259JVM IR: local function for adapted function reference is not declared as ACC_SYNTHETICKT-46284JVM IR: "Unbound private symbol IrClassSymbol" on class reference to script classKT-46402IllegalAccessError: "CapturedLambdaInterpreter (in unnamed module @0x71b06418) cannot access class jdk.internal.org.objectweb.asm.Type" caused by inline function with a suspend parameter in Maven projectKT-46408JVM IR: BootstrapMethodError due to missing bridge for subclass of generic Java interfaceKT-46426JVM IR: Corrupted .class file when passing Array constructor reference as (inline) lambdaKT-46455OOM on parsing invalid code with string interpolationKT-46503JVM IR: "AssertionError: Unexpected variance in super type argument: out @1"KT-46505JVM IR: NullPointerException caused by a callable reference with nullable inline value class parameterKT-46512JVM / IR: NoSuchMethodError on SAM conversion of a function referenceKT-46515IndexOutOfBoundsException: "Empty list doesn't contain element at index 0." on bad variable name in 1.5.0KT-46516JVM IR: "AnalyzerException: Expected I, but found R" on subclassing AbstractMutableListKT-46524Cannot use unsigned literals with api-version < 1.5 even with opt-inKT-46537JVM / IR: "IllegalStateException: No noarg super constructor for CLASS" caused by "No-arg" plugin with annotation on child classKT-46540JVM / IR: AnalyzerException: Expected an object reference, but found J caused by java.function.SupplierKT-46554JVM IR: "IllegalStateException: No mapping for symbol: VAR IR_TEMPORARY_VARIABLE" with value class constructor delegation callKT-46555JVM IR: IllegalAccessError when using Java method referenceKT-46562Kotlin 1.5.0 generates non-serializable lambdas when they should be serializableKT-46568JVM IR: "AssertionError: IrCall expected inside JvmStatic wrapper" on compiling protected static function with return type Nothing inside companion object of abstract classKT-46574JVM / IR: ClassCastException caused by runBlocking awaiting call while returning Kotlin.Result type.KT-46579JVM IR: "IllegalArgumentException: Sequence contains more than one matching element" for Java enum with overloaded values() static methodKT-46584JVM IR: Intrinsics.needClassReification (UnsupportedOperationException thrown). Property delegate provider crossinline lambda inlining/reification issueKT-46751JVM / IR:"ClassCastException: java.lang.String cannot be cast to java.lang.Void" in extension function in Kotlin 1.5IDE
KT-45981failed to analyze: java.lang.AssertionError: diagnostic callback has been already registered: Code analysis get stuck in AS 2020.3.1.14 & Kotlin v1.5.0-M2KT-4662260+ second freezes with Kotlin plugin 1.5.0: GetModuleInfoKt.findJvmStdlibAcrossDependenciesIDE. Gradle Integration
KT-46417[UNRESOLVED_REFERENCE] For project to project dependencies of native platform test source setsLibraries
KT-46280JvmRecord annotation missing constructor in commonMiddle-end. IR
KT-44013NPE: When calling constructor of a function type while inheriting from it, despite it's an interfaceTools. Android Extensions
KT-46590Kotlin Android Extensions 1.5.0 generates bad writeToParcel() method for nullable Array typesTools. Gradle
KT-41142Kotlin version conflict when using Kotlin Gradle plugins in pre-compiled script pluginKT-46353Optimizations disabled in Gradle 7 for KAPT when generating sourcesKT-46368Memory leak with 1.5.0-RC when building with GradleKT-46689Track -Xuse-old-backend flag usageTools. Gradle. JS
KT-46006KJS \ Gradle: Task without declaring an explicit or implicit dependency onjsGenerateExternalsIntegratedin Gradle 7KT-46162KJS: Exported items unavailable on dev serverKT-46331KJS: Withkotlin.js.webpack.major.version=4browserXRun tasks failTools. Parcelize
KT-46567Kotlin 1.5.0 parcelize compilation fails in new backend when using TypeParceller with nested genericsTools. kapt
KT-45532Do not create Kapt stubs directory during configuration timeChecksums
v1.5.0: Kotlin 1.5.0Changelog
Backend. Native
KT-42053Support compiler caches for linux_x64KT-43690Support compiler caches for ios_arm64Backend. IR
KT-42684StackOverflowError on recursive inline arguments in inline funCompiler
New Features
KT-28791Kotlin serialization with inline classesKT-30222Support JVM target version selection in Kotlin bytecode tool windowKT-41884Support 'file' target for JvmSynthetic annotationKT-43677Support for Java recordsKT-43920Support loading binary Java annotations on fieldsKT-44278Generate SAM-converted lambdas and function references using 'invokedynamic' on JDK 1.8+KT-44650Deprecate JVM target version 1.6KT-44787Suspend functions in fun interfacesKT-44865Allow to declare protected constructors in sealed classesKT-44869Compiling sealed interface with version less than 1.5: error message from future could be providedPerformance Improvements
KT-6336Optimize generation of local functionsKT-7307Optimize infix call of String.plusKT-18692Optimize '<optimizable_range> step x' for-in loopKT-19978Inefficient bytecode generated for function references undergoing Java SAM conversionKT-23565OperationsMapGenerated.kt generates unreasonable amount of bytecodeKT-23825Tail suspend call utilizing elvis operator does not take advantage of suspend tail call optimizationKT-23826A suspend function on the right side of a returned || condition is not tail call optimizedKT-25348No compile time unsigned integer conversion when using hex literalKT-26060Support a compiler mode to compile lambda expressions usinginvokedynamicinstructionKT-26590Do not generate create method for suspend lambdas if its arity >= 2KT-27427Optimize nullable check introduced with 'as' castKT-28246Redundant boxing/unboxing isn't eliminated by the compiler in case of inline classes and javaClass intrinsicKT-30605Constant folding doesn't evaluate inv() functionKT-36845Generate enum-based TABLESWITCH/LOOKUPSWITCH on a value with smart cast to enum in JVM_IRKT-39585JVM BE generates redundant accessor calls when accessing static final field lifted from companionKT-40886Old JVM BE unspills ACONST_NULL from continuationKT-42621Kotlin binary size considerably larger for code extensively using stream APIKT-44153NI: Low Memory and IntelliJ hangs when quotes in split() are missedKT-45410JVM / IR: Extreme performance regression on arithmetic operations inside a loopFixes
KT-6007Support changed return type of inlined generic function when lambda returns anonymous objectKT-6055Failed invoke plus assign on array element accessed via several args through local get/set convention extensionsKT-6879CompilationException when local classes hierarchy is placed within other local or inner declarationKT-8120NoSuchMethodError on local class constructor call inside a local classKT-8199"Cannot pop operand off an empty stack" for local class using a captured variable as default value for constructor parameterKT-10835"AssertionError: Non-outer parameter incorrectly mapped to outer" when inlining object literal extending inner classKT-12790Don't generate synthetic accessors for private inline function/propertiesKT-13213IllegalArgumentException in ByteVector.putUTF8 on attempt to compile file with moderately long string literalKT-14628"UnsupportedOperationException: Don't know how to generate outer expression" for nested class inheriting from inner class with a companion objectKT-14833JVM internal error: Augment assignment and increment are not supported for local delegated properties and inline propertiesKT-15403Suspend operator get wrong code generated by BE (NoSuchMethodError)KT-15404Suspend operator set wrong code generatedKT-16084Proguard can't find enclosing class of let closure inside apply closureKT-16151Internal compiler error when using plusAssign operator with mutable mapKT-16221Support in/!in suspend operatorsKT-16282"Cannot pop operand off an empty stack" for plusAssign with default parameters in setter operatorKT-16445java.lang.VerifyError: Bad type on operand stackwhen delegating an interface through a private reified function inside an objectKT-16520Invalid bytecode semantics for set call by convention with default parametersKT-16567Inliner creates redundant objects on source inliningKT-16752Delegating function interface to function reference does not workKT-17554Incorrect cast to Unit generated on annotated when-expression with a single-branch if insideKT-17738Java cannot extend class implementing kotlin.collections.MapKT-17753Strange behavior of if and return statementsKT-18583"ISE: Recursive call in a lazy value" for generic sealed class with nested subclass in awhen(this)with inferred return typeKT-19861"IllegalStateException: Label wasn't found during iterating through instructions" forplusAssignwith safe callKT-20306Make 'when' over an 'expect' enum class non-exhaustiveKT-20869kotlin.jvm.internal.DefaultConstructorMarker should be publicKT-20996IllegalStateException: Cannot get FQ name of local class: class in metadata serialization for common codeKT-21014Incorrect bytecode generated for 'PrimitiveArray::size'KT-21092ReferencejavaClassfor generic property: "couldn't transform method node: get()"KT-21778"IllegalStateException: Couldn't build context" for inline function inside an anonymous objectKT-21900VerifyError on equals on generic primitive typeKT-22098"UnsupportedOperationException: Don't know how to generate outer expression" on extension function call inside lambda in anonymous object super constructor callKT-22488Bad line numbers generated for '&&' expressionKT-22972A compiler bug(?) in Number class descendantsKT-23619Transform stateless singleton lambda during inlineKT-23881Declaration of lambda in inlined apply block holds reference to superfluous references causing leakKT-24135Calling invoke on crossinline suspend lambda leads to no state-machineKT-24193NoClassDefFoundError: java/lang/Cloneable$DefaultImpls on inheritance from Cloneable through an interfaceKT-24305ClassNotFoundException when using Java reflection on local class in an inlined lambdaKT-24564Custom operator fun set on ByteArray resolves properly but is miscompiledKT-25400"NoClassDefFoundError: kotlin/KotlinPackage" with Turkish system locale on macOSKT-26130Incorrect method signature for a generic function with inline class as a type parameter upper boundKT-26360"Method from super interface has a different signature" for Interface that extends both interfaces with and without @JvmDefaultKT-26473Error on compiling inline class with calls of super methods equals(), hashCode(), toString()KT-26474VE “Bad type on operand stack” at runtime on calling toString() method of inline class with calls of super methods (toString(), equals(), hashCode()) insideKT-26592Do not generate private suspend functions as synthetic package-privateKT-27449NoSuchMethodError for local suspend function with suspend lambda parameter with default valueKT-27469"Cannot pop operand off an empty stack" for compound assignment (plusAssign) with avarargoperator getKT-27825Gradually prohibit non-abstract classes containing abstract members invisible from that classes (internal/package-private)KT-27830"Incompatible stack heights" with suspend inline function in do while loop that executes suspend lambdaKT-28042"Cannot pop operand off an empty stack" for a bound callable reference of lambda inside inline functionKT-28166"Argument 1: expected I, but found R" for generic method with generic parameter or receiver with inline class upper boundKT-28331Consider generating accessors for lateinit properties to avoid assertion on each callKT-28573Inliner does not update references to transformed objectKT-29331"AnalyzerException: Argument 1: expected R, but found I" with local generic extension property called onIntreceiverKT-29595NoClassDefFoundError with inline reified function with lambda argument returning anonymous objectKT-29802Incorrect reification when the same type parameter name is used for different reified typesKT-30041"AnalyzerException: Expected an object reference, but found ." on nested suspend function calls outer suspend functionKT-30066Consider adding annotations to ConeKotlinTypeKT-30280Inline class class literal gets unwrapped in annotation argumentsKT-30402Constant folding works incorrectly with unsigned arithmeticsKT-30548"java.lang.IndexOutOfBoundsException: Cannot pop operand off an empty stack" while compiling access to a private lateinit companion fieldKT-30629java.lang.VerifyError: Bad type on operand stackwhen using a function reference to a generic propertyKT-30933Inline function produces IllegalAccessError on property reference from different packageKT-31136"AnalyzerException: Argument 1: expected R, but found I" on x::javaClass when x is inline class object built around primitive typeKT-31227Prohibit using array based on non-reified type parameters as reified type arguments on JVMKT-31592NoSuchMethodException when inlining public function accessing a protected static Java class memberKT-31727Object expression captures all variables used in constructorKT-32023"AnalyzerException: Expected I, but found R" with inline suspend function used with callable referenceKT-32115NPE during initialization of enum class with delegated propertyKT-32153"AnalyzerException: Expected an object reference, but found ." with recursive suspend local functionKT-32351ClassNotFoundException for anonymous object implementing interface inside a lambda with data class and inline methodsKT-32384Safe cast to generic type argument with inline class upper-bound throws NPE instead of ClassCastExceptionKT-32579java.lang.VerifyError: Bad type on operand stack on calling inner class of inherited class in super class when casting to inherited classKT-32749"VerifyError: Call to wrong method" with inline function and accessing class field from anonymous objectKT-32793Generated code crashes by ClassCastException with local suspend function and inline classKT-32812"AnalyzerException: Argument 1: expected R, but found I" invoking function with default parameter inherited by inline classKT-32821Missing unboxing of inline class for complex hierarchy of suspend callsKT-33155ClassNotFoundException for qualified this in anonymous object and as a result of inline function callKT-33173Internal error: "AnalyzerException: Expected I, but found R" for supercall inside inline lambda from HashSet.remove implementationKT-33577NoSuchFieldError with nested anonymous objects accessing outer instance propertyKT-33836Wrong code generated for a local tailrec suspend function.KT-33873ClassCastException invoking UByte setter function via reflectionKT-34018"Cannot pop operand off an empty stack" with inline lambda with callable referenceKT-34186JDK11: class file contains malformed variable arity method for vararg sealed class constructorKT-34202IllegalAccessError on callable reference of function from multifile facade from standard libraryKT-34255@JvmStatic tailrec function: "Cannot pop operand off an empty stack"KT-34507Incorrect generated code for mutable collection stub methods in case of presence of functions with similar signatureKT-34665Possible index overflow in optimized "for" loop over withIndex()KT-34754Flow builder: "AnalyzerException: Expected an object reference, but found ." with recursive suspend local functionKT-34816"AnalyzerException: Expected an object reference, but found I" on "this" in inline class member extension suspend functionKT-34841ClassNotFoundException when invoke param function inside anonymous object methodKT-35008"AnalyzerException: Expected an object reference, but found I" in inline class companion calling private constructorKT-35166NoSuchMethodErrorat runtime with local property delegate on anonymous object referencing another anonymous objectKT-35224It's possible to pass non-spread arrays after arguments with SAM-conversionKT-35301MethodInliner fails with "AssertionError: call doesn't correspond to object transformation info" for qualified this in SAM constructor used as parameter of anonymous object inside inline lambdaKT-35419Failed to generate expression: KtNamedFunctionfor local suspend tailrec function with receiverKT-35511VerifyError: "Bad type on operand stack" after reificationKT-35553Kotlin compiler generates methods that always have line number 1 for Inline ClassesKT-35725"AssertionError: Couldn't find a context for a super-call" forsupermember call in property initializer of companion objectKT-36420ClassCastException with inline class Foo extending generic ComparableKT-36713AnalyzerException: "Incompatible stack heights" with suspend and inline suspend functionsKT-36794Move $assertionsDisabled field to the top-level classKT-36853IR: UninitializedPropertyAccessException on tailrec with object expression in default argumentKT-36875"RuntimeException: Trying to access skipped parameter" on synthetic local variable access from inline functionKT-36916AnalyzerException: Argument 1: expected I, but found R when using inline class with rxjavaKT-36957Exception during codegen: cannot pop operand off an empty stack (Nothing variable in string interpolation)KT-36984SAM adapter classes should be generated as anonymous inner classes in JVM_IRKT-37704Incorrect SMAP syntaxKT-37716"AssertionError: call doesn't correspond to object transformation info" with inline reified type parameter, anonymous object and lambda in constructor callKT-37972IllegalAccessError on initializing property reference for a property declared in JvmMultifileClass with -Xmultifile-parts-inheritKT-38100Support local delegated properties (not inlined) in new JVM default modesKT-38833JVM: java.lang.ClassCastException when loop variable is nullable in for loop over unsigned progressionKT-38849Read-only variable initialized in non-inline lambda using contract callsInPlace EXACTLY_ONCE is not captured correctly in nested lambdasKT-38869JVM BE produces invalid bytecode when inheriting from AbstractList and declaring methods that look like MutableList implementors (but they aren't)KT-38965"UnsupportedOperationException: Don't know how to generate outer expression: Closure" with reference to local variable in block argument of anonymous objectbydelegationKT-39289CCE in if-else inside annotated 'if' statementKT-39425AbstractMethodError: "Receiver class does not define or inherit an implementation of the resolved method" using classes with complex Java and Kotlin inheritance hierarchies.KT-39434IllegalAccessError with local delegated property in lambda in inlined functionKT-39687"Couldn't find captured this" when more than 3 inline functions are nestedKT-39784"IndexOutOfBoundsException: Cannot pop operand off an empty stack" caused by JvmOverloads annotation inside an inline classKT-40165ClassCastException caused by SAM conversion used on a functional interface with suspended functionKT-40179"VerifyError: Bad type on operand stack" with parent classgetextension function and child classsetextension function which used inside child classplusAssignextension functionKT-40277Fix generic types in special bridge methodsKT-40308NoSuchFieldError for multiple delegated extension properties with the same name in a companion objectKT-40338NoSuchFieldError on property without backing field that is called as function referenceKT-40392Deprecate JvmDefault annotation and old -Xjvm-default modesKT-40396NI: Exceptions when ambiguous type argument and generic invokeKT-40510"AssertionError: DELEGATION slice must override something" for ByteBuffer delegationKT-40601VerifyError: "interface method reference is in an indirect superinterface" when calling @JvmDefault suspend methodKT-40809"Couldn't find captured field" compiler error with local function with recursive call through method referenceKT-41056Increase stub version due to new "contract" keywordKT-41105IllegalStateException: 'Couldn't find declaration file ' with inline delegate declared in another fileKT-41165"IllegalStateException: Concrete fake override public final fun" when an enum class inherits an interface with a variable 'name' or 'ordinal'KT-41222"IllegalStateException: Concrete fake override public final fun" when a class property is inherited as merged 'var' from 'val' and 'var' from parent abstract class and interface propertiesKT-41255JDK 11: "VerifyError: Bad type on operand stack" with long function body with annotatedwhenexpressionKT-41427NoSuchMethodError caused by implementation by delegation to function referenceKT-41508ClassNotFoundException caused by object with overridden function inside a lambda with safe cast receiverKT-41750Inline classes: ClassCastExceptionError when calling .withIndex() on Iterator over ArrayKT-41758Deprecate kotlin.Metadata.bytecodeVersion and avoid using it in the compilerKT-41770AssertionError: "Asm parameter types should be the same length as Kotlin parameter types" cause by fun interfaceKT-41874"IllegalStateException: Couldn't obtain compiled function body" on extension delegated property with inline operator getValue in a different fileKT-41917[FIR] Incorrect calculating property type for override from intersection scopeKT-42012IllegalAccess to protected field instead of getterKT-42017"AssertionError: Unsigned type expected: UInt?" during codegen when a variable of nullable unsigned type is checking for presence in the rangeKT-42032"AnalyzerException: Expected I, but found R" while using Flow.reduce() with suspend function referenceKT-42034ArrayIndexOutOfBoundsException in PopBackwardPropagationTransformer on external override of function in inline classKT-42064"Parameter specified as non-null is null" with default value of the parameter in operator funKT-42069JVM IR: -Xreport-output-files doesn't report any source files for META-INF/*.kotlin_module filesKT-42083AbstractMethodError when 'remove' with irrelevant generic parameter but matching JVM signature is present in Kotlin collection classKT-42092JVM / IR: "AnalyzerException: Argument 1: expected R, but found J" when trying to add to ArrayList the result of a function applied to intKT-42175Psi2ir: "AssertionError: Undefined parameter referenced: " on augmented assignment on this in a BuilderInference lambdaKT-42179Platform declaration clash when extending abstract Java class implementing 'java.util.Collection' by abstract Kotlin class implementing Kotlin Set or ListKT-42321JVM IR: do not cast integer value based on the type of a literal receiver of an operator callKT-42337NoSuchMethodError in JVM backend with inheritance of private functions in the interfaceKT-42404"Supertypes of the following classes cannot be resolved" in Rider projectKT-42472No TYPE_INFERENCE_UPPER_BOUND_VIOLATED for Delegated Properties do not check types (in Kotlin 1.4.10)KT-42487"IndexOutOfBoundsException: Cannot pop operand off an empty stack" caused by USELESS_IS_CHECK of Double typeKT-42533(N until MIN_VALUE).reversed()should be an empty progression in for loopsKT-42588"IllegalStateException: Concrete fake override public open fun" caused byvaloverride withvarwith delegation.KT-42634Different bridges and abstract stubs behavior in abstract class implementing Map<K, String> in JVM and JVM_IRKT-42635ClassCastException with inline class in for loopKT-42662AbstractMethodError when using partially specialized generic Map classKT-42694@get:Synchronized causes the JVM getter method not to be generatedKT-42753"VerifyError: Bad invokespecial instruction: interface method reference is in an indirect superinterface" withjvm-default=allKT-42879JVM: Declaration clash in fun interface implementation returning an inline classKT-42900"VerifyError: Bad return type" incorrect bytecode when a property and an extension property in inline class have the same namesKT-42946FIR2IR: Fix super-calls to Java overrides of special built-inKT-42971JVM: "AssertionError: Unsigned type expected: T" with UInt loop rangeKT-42990"AssertionError: Next value after NEW should be one generated by DUP" caused by extension properties with accessors annotataed as @JvmStaticKT-43034AssertionError: Compiler fails with complicated tailrec + inline caseKT-43048JVM_IR: Implement coroutines state clearingKT-43050JVM IR: incorrect mangling for method with type parameter with inline class bound in the signatureKT-43059Different bridges behavior in class implementing Map<String, String> in JVM and JVM_IRKT-43063Redundant DefaultImpls delegate is generated in old JVM backend on explicit "duplicate" inheritance from interfaceKT-43069JVM: incorrect generic signature for method with implicit return type Nothing overriding a method from CollectionKT-43099Tailrec call in not tail-call position leads to internal compiler errorKT-43106JVM: customremovein Iterator subclass results in a synthetic bridgeKT-43120JVM: "Expected an object reference, but found ." caused by function which is passed as reference to suspend parameterKT-43167JVM IR, serialization: "No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" with data class containing property defined in bodyKT-43255Verify error when inheriting from an abstract class implementing Collection with stub-like method in superclassKT-43303NI: False negative TYPE_INFERENCE_UPPER_BOUND_VIOLATED when inferred type argument is not a subtype of type parameter upper boundKT-43333AbstractMethodError when calling 'toArray' from Java on a Kotlin Collection with custom internal 'toArray'KT-43334AbstractMethodError when calling 'remove' from Java on a Kotlin Collection with custom internal 'remove'KT-43342[FIR2IR] No getter or backing field found for delegated member callKT-43347[FIR] Synthetic setter with unmatched parameter type isn't foundKT-43401JVM_IR. Additionalsynchronizedflag on JvmOverloads-generated adapter for Synchronized functionKT-43405Turkish locale, Linux Mint: "NoSuchMethodError: 'int[] kotlin.jvm.internal.Intrinsics$Kotlin.intArrayOf(int[])'" withintArrayOffunction callKT-43460JVM: redundant private setter is generated in case of multifile facadeKT-43473"VerifyError: Bad type on operand stack" caused by operatorgetwith optional argument in superclass when called via square brackets on subclassKT-43518JVM_IR. Additionalstrictfpflag on JvmOverloads-generated adapter for Strictfp functionKT-43569FIR: inapplicable candidate(s): kotlin/collections/setKT-43616[FIR] Nullable type parameter-based type after merge in ifKT-43669FIR: No real overrides for FUN IR_EXTERNAL_DECLARATION_STUBKT-43682Inline extension method of a multifile library inline class not foundKT-43687FIR: UnusedChecker does not take annotation arguments into accountKT-43688FIR: unused checker doesn't handle invokes properlyKT-43749"UnsupportedOperationException: Don't know how to generate outer expression: Closure" caused by Flow and collect method with function reference as a parameterKT-43812JVM IR: SAM wrapper class with generic supertype mentions missing type parameter in the signatureKT-43832JVM IR: missing bridges for inheritance of class from interface in a complex generic diamond hierarchyKT-43851JVM IR: function call returning object instance is removed during constant propagationKT-43864JVM: "Assertion error after mandatory stack transformations: incorrect bytecode" with lateinit property of type T, which has a primitive type upperboundKT-43887Problem with FunctionReferenceLowering$FunctionReferenceBuilder in kotlin nativeKT-43912JVM internal error: Augment assignment and increment are not supported for local delegated properties and inline propertiesKT-43915Back-end (JVM) Internal error: wrong bytecode generated for default methodKT-43938NSME when calling 'kotlin.Number' methods on instance of Java class extending Kolin abstract class extending 'kotlin.Number'KT-43942org.jetbrains.kotlin.codegen.CompilationException: Back-end (JVM) Internal error: Failed to generate functionKT-43949FIR: unresolved callable reference as lambda returnKT-43983IllegalStateException: "Couldn't obtain compiled function body for public final suspend inline fun" after moving inline extension function to libraryKT-43984FIR: recursion in overridden symbolsKT-43984FIR: recursion in overridden symbolsKT-44010FIR: Inapplicable constructor due to an unresolved referenceKT-44030FIR2IR: uncached type parameters in delegated propertyKT-44032FIR2IR: uncached type parameters in Java fieldKT-44050FIR: anonymous object as IR parentKT-44054FIR2IR: incorrect IR origin for substituted override functionKT-44058CompilationException: open suspend fun with @JvmStatic in open class companionKT-44069please remove deprecated usagesKT-44066FIR Java: override ambiguity with vararg value typeKT-44114CompilationException when inlining a extension suspend function declared in interface companion with 'this' reference to extension receiverKT-44131"UnsupportedOperationException: Don't know how to generate outer expression: Closure" when using suspend lambda and a function referenceKT-44140JVM IR: compilation of kotlin.Result crashes with IOOBE while generating toString-implKT-44141JVM IR: "ISE: There should be underlying type for inline class type" on usage of type parameter with Result upper bound inside a lambdaKT-44192Allow a greater number of constants in an enum classKT-44202"ClassCastException" when getting delegated property with inline class and Any/Any? typeKT-44210KJS / IR: "AssertionError: Undefined parameter referenced: defined" caused by plus assign operators in build blocksKT-44233[IR] Collection Stub generation not correctly considering java.util Collection iteratorsKT-44234Private companion property with explicit setter generates invalid bytecodeKT-44269"[TAILREC_ON_VIRTUAL_MEMBER_ERROR] Tailrec is not allowed on open members" with Spring annotation and private tailrec functionKT-44284Make Kotlin binaries publicly unavailable (set KotlinCompilerVersion.IS_PRE_RELEASE = true)KT-44316ReenteringLazyValueComputationException when analyzing complex lazy delegateKT-44347Back-end (JVM) Internal error: Couldn't transform method node for suspend function with wrong local for ContinuationKT-44368"IllegalStateException: Error type encountered" when inlining 'invoke' operator without enough information on type variableKT-44412JVM IR backend fails to compile break in condition of do whileKT-44420False NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATION with 1.4.30-RCKT-44429JVM IR: unnecessary integer unboxing leads to NPE when using mockito-kotlinKT-44439Type inference of generic types failing java interopKT-44440Too many Nothings in inferred typeKT-44471Fix failing script tests after switching to 1.5KT-44474Compiler expects sealed type inheritors from platform specific source-sets in when expression in common source-setKT-44483JVM IR: CCE on calling generic vararg function reference with Array expected typeKT-44527Suspend function with kotlin.Result: ClassCastException class kotlin.Result cannot be cast to class ...KT-44529Inline class calls wrong iterator method in for loopKT-44533JVM IR: ClassFormatError on synthetic $suspendImpl method generated in interface for a @JvmDefault functionKT-44540Regression in 1.4.30 in intellij-community: type mismatch for generic function call with generic Java classKT-44546NI: changed variable fixation order (that can lead to changed resolution)KT-44550KotlinBinaryClassCache leaks Kotlin plugin classloader on plugin unloadKT-44563Type Inference loosing type annotations in lambda type expectation for function calls with block parametersKT-44583"Supertypes of the following classes cannot be resolved" error message gives no contextKT-44627JVM IR: ACCIDENTAL_OVERRIDE when overriding a generic field where the type parameter has a primitive boundKT-44631"IndexOutOfBoundsException: Cannot pop operand off an empty stack" caused by a default param in inner class constructor which uses method or field from receiverKT-44647"IllegalAccessError: class TestKt tried to access private method" with String BuildergetandincoperatorKT-44651JVM / IR: "IllegalStateException: Illegal type substitutor" with if-else inside class constructor argument inside another if-elseKT-44660Internal inline functions in companion object with inline class return type fails compilationKT-44671JVM_IR: ClassCastException: Result$Failure cannot be cast to Result with multithreaded coroutinesKT-44703JVM / IR: "IllegalStateException: Unhandled special name in mangledNameFor" caused by a reference to inline class inside interface's companion with lazy initializationKT-44712JVM / IR: Behavior change after enabling with MockitoKT-44714Debugger / Coroutines: Local variables are trimmed out too aggressivelyKT-44722JVM IR: ClassCastException with inline class, let and bound function referenceKT-44726JVM IR: Incorrect KType nullability for platform type reified as non-nullKT-44781JVM IR: java.lang.NoSuchFieldError: $noName_0 when calling a crossinline lambda within a suspending lambdaKT-44798JVM IR: Inherited platform declarations clash for class implementing both List and SetKT-448011.4.30 JVM IR: Unbound symbols not allowed with anonymous objectKT-44803FIR bootstrap: incorrect nullability is set for type alias-based typeKT-44827Non-existing outer class is written in anonymous class for SAM wrapper in inline lambda with captureKT-44837JVM / IR: ClassCastException with Result object when it is used by a generic method in a suspend callKT-44875JVM_IR.hashCodecall is generated on interface target in fun interface equalityKT-44878JVM_IR: "IllegalStateException: Unexpected types" when checking non-nullable variable isinrange between nullable ones with smart-castKT-44926MPP: Actual typealias to compiled inline class incompatible with expect inline classKT-44947Sealed interfaces: Sealed fun interface leads to "NoWhenBranchMatchedException"KT-44993JVM IR: VerifyError on getfield with Kotlin generic field and elvis operatorKT-45008JVM IR: hashCode is generated as invokeinterface if smart cast to interface is presentKT-45011JVM / IR: "AssertionError: Unbound symbols not allowed"KT-45022IR: "AssertionError: Undefined variable referenced" from psi2ir caused by plusAssign operator of objectKT-45064JVM IR: "java.lang.AssertionError: SyntheticAccessorLowering should not attempt to modify other files!" with member reference to property in another file with private setterKT-45067"IllegalArgumentException: Wildcard mast have a bound for annotation of WILDCARD_BOUND position" with BEAM SDK 2.27KT-45069JVM / IR: New SAM conversions mode fails when converting from Unit to AnyKT-45131JVM / IR: "RuntimeException: Lambda, SAM or anonymous object should have only one constructor" caused by inline class that type cast to reified type parameter inside lambda in inline functionKT-45139Inline class: AssertionError: Expected top level inline classKT-45166JVM / IR: "AbstractMethodError: Receiver class does not define or inherit an implementation of the resolved method of interface" caused by interface with suspend functionKT-45187JVM / IR: ClassCastException caused by substituting generic type of vararg parameter with java.lang.VoidKT-45195JVM IR: annotation methods are generated as default interface methods ifallopenis usedKT-45243"IllegalStateException: Lambdas shouldn't be visited by ESExpressionVisitor" caused by lambda insidekotlin.test.assertNotNullKT-45259JVM: ClassCastException caused by Result as lambda parameter typeKT-45292AssertionError with recursive inline extension propertyKT-45300Deprecate super calls in public-api inline functionsKT-45409Rename jspecify annotations’ package and default not null annotationKT-45446JVM / IR: NullPointerException caused by unreachable code and comparisonKT-45721JVM / IR: "Unbound symbols not allowed" caused by class reference in sequence lambdaKT-45853JVM / IR: "Accidental override" caused by inheriting Throwable.getCause from Java interfaceKT-45861Turning warnings into errors for calls with type parameters annotated by @OnlyInputTypesKT-45865JVM IR: "VerifyError: Bad type on operand stack" withenumValueOfon a value from a list of stringsKT-45868JVM IR: ClassCastException with SAM function in init block when SAM is generated via invokedynamicKT-45920JVM IR: "Accidental override" on redefiningget()in custom Map classKT-45934JVM IR: "java.lang.IllegalStateException: Function has no body" for class implementing interface by delegationKT-45945JVM / IR: "AssertionError: Unexpected variance in super type argument" with contravariance and intersection typesKT-45963JVM / IR: "AbstractMethodError: Receiver class does not define or inherit an implementation of the resolved method" in Dokka testsKT-45967JVM IR: "IllegalAccessError" with invokedynamic to Java SAM over callable reference to private functionKT-45982Wrong subtyping result on captured types with postponed type variablesKT-46007JVM / IR: "ClassCastException: kotlin.Unit cannot be cast to java.lang.String" caused by default suspend function in interfaceKT-46060JVM IR: NullPointerException from RangeContainsLowering whencontainsis a @JvmStatic function in objectKT-46069JVM IR: unbound type parameter on generic bound adapted function referenceKT-46092JVM IR: AssertionError "Array type expected: @[FlexibleNullability] kotlin.CharArray?" on super call to Java constructor with primitive varargKT-46104The message on inline -> value class migration should not say that inline classes are deprecatedKT-46131Kotlin 1.5.0-RC errors when reading class fileKT-46160JVM IR: IllegalAccessException at runtime for member reference to JvmMultifileClass member from stdlibKT-46186Type inference regression in Kotlin 1.5 with constrained generic return typesDocs & Examples
KT-45884Incorrect description for JVMtoUpperCasemethodIDE
KT-33233Use dependency of library to build built-ins in IDE, instead of loading them from the current classloaderKT-34023kotlin.KotlinNullPointerException at org.jetbrains.kotlin.backend.common.FunctionsFromAnyGenerator.getPrimaryConstructorProperties(FunctionsFromAnyGenerator.kt:66)KT-35947KFunctionN.call is unresolved in IDE in Kotlin/JVM projectKT-37702Code analysis speed: on-the-fly analysis diagnostics reportingKT-41048[FIR-IDE] Properly implement methods in KtFirPackageScopeKT-41671Missing nullability information in properties using type inference from get()KT-43824KtLightClassForSourceDeclaration#isInheritor works in a different way than java implementationKT-44128IDE: Kotlin JVM record has incorrect property accessors as seen from JavaKT-44487MPP, IDE: No error in IDE when sealed class inheritor from common source-set is not used in exhaustive when expression in platform source-setKT-45254Highlighting for files with certain errors appears only on second openingKT-46097Light classes: Incomplete nullability information for a getter method of a kotlin property defined in private constructorIDE. Decompiler, Indexing, Stubs
KT-43699IDE: Unresolved extension method from Java code for simple class with typealias and generics (IllegalStateException: Unknown type parameter)KT-44756Infinite "UpToDateStubIndexMismatch: PSI and index do not match." with IDEA 2021.1 EAP upon attempt to open "org.gradle.configurationcache" even they seem to be the sameIDE. Gradle Integration
KT-37127Implement precise importing of platforms of root source sets (commonMain/commonTest) when hierarchical multiplatform support is enabledKT-42048KJS / Gradle integration: Could not determine the dependencies of task ':webApp:testPackageJson' in Android Studio 4.2 Canary 11IDE. Gradle. Script
KT-46215Dead lock on closing project during the import in IJ211 through ScriptDefinitionsManagerIDE. Inspections and Intentions
KT-23824Return lifted out of if condition causes suspend tail call optimization to no longer applyKT-38155Lift assignment out of 'if' produces type mismatch without manually adding a semicolonKT-44821IDE: False positive NO_ELSE_IN_WHEN caused by sealed class and when in another moduleKT-46088[IDEA] Incorrect behavior of replace inline class with value class intentionIDE. Misc
KT-44675Incorrect reference to resource into 202 pluginIDE. Refactorings
KT-44079Sealed Interfaces: Move refactoring should warn about violation of hierarchy restrictionsKT-44839Sealed interfaces: move refactoring warnings works with "more freedom for sealed classes" rules for language level < 1.5IDE. Script
KT-43288Allow push notifications about script configuration /dependencies changes via theScriptDefinitionsProviderEPJavaScript
KT-39272KJS / IR: Can't use javascript keywords as JsNameKT-41650JS IR BE:defaultshould be a reserved identifierKT-42176KJS / IR: Interface default method in sub-interface not resolved correctly from extension on super-interfaceKT-44103[JSIR] TypeError when bumping from 1.4.20 to 1.4.30-M1KT-44180KJS / IR: NPE in ConstTransformer of compileDevelopmentExecutableKotlinJs/compileProductionExecutableKotlinJs tasksKT-44415Kotlin/JS with IR and kotlin-react: "too much recursion" error in runtime in browserKT-44433KJS IR: support function interfaces with suspend memberKT-44469KJS / IR: Incorrect export functions with bridgesKT-44718MPP/ KJS: "IllegalStateException: Unsupported operation" with serialization plugin and incremental compilationKT-44796KJS / IR: default parameter of function with @JsName leads to "RangeError: Maximum call stack size exceeded"KT-45059KJS / IR: Add possibility for runtime diagnostics of DCE resultLibraries
KT-12109Add stdlib method that combines mapNotNull() and first/firstOrNull()KT-25571Make random implementations serializableKT-26234Floored division and remainder function for numeric typesKT-32996kotlin.test: add assertContentEquals for comparing content of arrays, iterables, sequencesKT-39177Make CharCategory available in common multiplatform codeKT-40225Support adding kotlin-test as a single dependency, as it should be with a multiplatform libraryKT-42071Strict version of String.toBoolean()KT-42720Kotlin ArrayDeque on JVM: provide optimized toArray methodKT-42840Commonize and generalize String.contentEquals that is currently JVM-onlyKT-43772Kotlin/Native unfinished workers detected.KT-44168Prevent storing NaN and negative zero in kotlin.time.DurationKT-44369Commonize Char.titlecaseChar() and Char.titlecase() that are currently JVM-onlyKT-44783Add IS_VALUE flag for value classes to kotlinx-metadata-jvmKT-44815Remove kotlin-annotations-android and JVM compiler support for @ParameterName/@DefaultValue/@DefaultNullKT-45213Update Unicode version used in K/N for Char and String case conversion functionsMiddle-end. IR
KT-43831Compilation failed, IrSimpleFunctionPublicSymbolImpl is already boundKT-44100KJS / IR: Top level declarations added in IR plugin are not referenceable from other modulesKT-45170IR: "AssertionError: Single expression value for GET_OBJECT" caused by inc operator of field inside scope function inside objectNative
KT-42446Native: SIGSEGV in Kotlin_Array_get on linuxArm64KT-43502[K/N] relocation R_X86_64_PC32 cannot be used against symbol __environ; recompile with -fPICKT-442951.4.21 Kotlin native ndk compiler crashKT-44774ld fails with CALL16 reloc at 0x48f00 not against global symbol (Linux MIPS)KT-44746Different hashCode() results for Kotlin/Native stdlibNative. C and ObjC Import
KT-44824cinterop tool no longer appends .klib to produced klibsNative. C Export
KT-36639MPP: Build ios "staticLib" or "sharedLib" binary failed if interface contains member extension functionKT-41725Dynamic library doesn't load on raspberrypiNative. ObjC Export
KT-44549In the Xcode debug session, call stack is missing a frame when the iOS app failsNative. Platforms
KT-45094Fail to compile Kotlin Native sources under Oracle Linux 7Reflection
KT-44594Avoid using unnecessary array types reflection in kotlin-reflectKT-44782Add KClass.isValue to kotlin-reflectTools. Ant
KT-16227Ant task: do not include runtime by default if destination is a jarKT-44293Support fork mode in kotlinc Ant taskTools. CLI
KT-17344Include kotlin-reflect to resulting jar if "-include-runtime" is specifiedKT-43220-include-runtime should add .kotlin_builtins to the outputKT-43704Illegal reflective access by com.intellij.util.ReflectionUtil to method java.util.ResourceBundle.setParent(java.util.ResourceBundle)KT-44078Do not include module-info.class of kotlin-stdlib.jar to the resulting jar with -include-runtimeKT-44232CLI: do not pass -noverify to java process starting from JDK 13KT-45566JDK 16 - e: java.lang.NoClassDefFoundError: Could not initialize class org.jetbrains.kotlin.com.intellij.pom.java.LanguageLevelTools. CLI. Native
KT-43874Native / CLI: provide a way to show difference between Jvm and Native compilersTools. Compiler Plugins
KT-45783Serialization: "AnalyzerException: Expected an object reference, but found I" caused byJvmInlineandSerializableannotationsTools. Gradle
KT-31027java.lang.NoSuchMethodError: No static method hashCode(Z)I in class Ljava/lang/Boolean; or its super classes (declaration of 'java.lang.Boolean' appears in /system/framework/core-libart.jar)KT-43605Kotlin Gradle Plugin 1.4.20 undeclared system property reads cause problems with Gradle configuration cache enabledKT-44204Kotlin Gradle Plugin 1.4.21 makes impossible to use ANTLR in other pluginsKT-44361Gradle: deprecate options includeRuntime, noStdlib, noReflectKT-44462Kotlin Gradle plugin createscompileconfiguration with Gradle 7.0KT-44834Gradle Kotlin DSL: AddlanguageSettingsconfiguration lambda withoutapplycallKT-44949Compatibility with Gradle 7.0KT-44957gradle - target.compilations seems to be deprecatedKT-45340Update minimal supported version of Kotlin Gradle Plugin to 6.1Tools. Gradle. JS
KT-43237KJS:-jsLegacyNaming Convention is incompatible with NPMKT-43869Error in webpack configuration not displayedKT-44614Update Node.JS and Yarn versionsKT-44616Kotlin/JS: IR backend with React: "Uncaught TypeError: _this__0 is undefined" runtime error in browserKT-45574Sync Kotlin/JS compile tasks into one folder (build/js/packages//kotlin)Tools. Gradle. Multiplatform
KT-42098Commonizer is re-launched for every included Gradle buildKT-43116Merge together MultiplatformHighlightingTest and MultiplatformAnalysisTestKT-44322KotlinTargetComponent maintenance for -sources.jarKT-44900Support gradle configuration cache with kotlin.multiplatform pluginTools. Gradle. Native
KT-46122kotlinx-serialization and kotlinx-datetime can't be built with 1.5.0-RCTools. JPS
KT-13631Compilation fails on Turkish locale because of locale-sensitive uppercasingKT-44644Mark all@JvmMultifileClassparts compiled in the previous round as dirty in the JPS plugin, similarly to how it’s done in the Gradle pluginTools. Scripts
KT-45194KT: Generate Kotlin Entities script: it doesn't workKT-44580Scripts: Unable to set new file annotation hooks after first snippet compilationTools. kapt
KT-43686KaptWithoutKotlincTask should use@CompileClasspathforkotlinStdlibClasspathfor cache relocateability.KT-44130KAPT changes field order in 1.4.30-M1KT-44909Kapt: ReenteringLazyValueComputationException without stacktrace caused bywhenexpression with sealed class function without explicit return typeKT-45168KAPT: Java stubs generated for Kotlin files generated by annotation processorsChecksums
v1.4.32: Kotlin 1.4.32Changelog
IDE
KT-43824KtLightClassForSourceDeclaration#isInheritor works in a different way than java implementationKT-45287LightClasses:KtLightSimpleModifierListis no more a parent ofKtLightAnnotationForSourceEntryKT-45291LightClasses: can't get annotations for constructor val-parameterKT-45417ULC leakage of primitive type annotationsTools. CLI
KT-44758kotlin-compiler-embeddable dependency includes unshadedfastutilpackageKT-45007Concurrent Kotlin script compilation/execution results in NullPointerException in KeyedExtensionCollector.getPoint()Checksums
v1.4.31: Kotlin 1.4.311.4.31
Compiler
KT-397762020.3+: Unresolved reference to Kotlin stdlib functionIDE. Gradle Integration
KT-44845After update to Kotlin 1.4.30 all external dependencies is unresolved in IDE with kotlin.mpp.enableGranularSourceSetsMetadata=trueIDE. Gradle. Script
KTIJ-11137build.gradle.kts: Fatal error during save/load standalone scripts settingsKTIJ-898Unable to import with Kotlin DSL buildscript - NullPointerException in KotlinDslScriptModelProcessorKt.toListOfScriptModelsIDE. Multiplatform
KTIJ-1200KotlinIconProviderKt.addExpectActualMarker takes up to 180+ secondsIDE
Fixes
KT-44697New JVM IR backend notification - narrow its triggering to Kotlin projectsKT-44523IDE notification for trying new JVM backendKTIJ-696Freeze during startup of IDEA with intellij project with Kotlin (211-1.4.10-release-IJ1440)Checksums
*Sorry, Sha256 sum was initially published incorrectly. Now it is fixed.v1.4.30: Kotlin 1.4.30CHANGELOG
Android
KT-42383HMPP: Bad IDEA dependencies: Missing dependency from p1:jvmAndAndroid to p2:jvmAndAndroidBackend. Native
KT-38772Native: support non-reified type parameters in typeOfKT-42234Move LLVM optimization parameters into konan.propertiesKT-42649IndexOutOfBoundsException during InlineClassTransformer loweringKT-42942Native: optimize peak backend memory by clearing BindingContext after psi2irKT-43198Native: supportinitblocks inside inline classesCompiler
New Features
KT-28055Supportinitblocks inside inline classesKT-28056Consider supporting non-public primary constructors for inline classesKT-41265Support noarg compiler plugin for JVM IRKT-42094Allow open callable members in expect interfacesKT-43129FIR: Support OverloadResolutionByLambdaReturnTypeKT-43592Promote JVM IR compiler backend to BetaKT-43919Support loading Java annotations on base classes and implementing interfaces' type argumentsKT-44021Enable JVM IR backend by default in 1.5Performance Improvements
KT-41352JVM IR: reduce bytecode size in for loops and range checks with 'until' by not using inclusive endKT-41644NI: Infinite compilationKT-42791OutOfMemoryError on compilation using kotlin 1.4 on a class with a lot of type inferenceKT-42920NI: Improve performance around adding constraintsFixes
KT-11454Load annotations on TYPE_USE/TYPE_PARAMETER positions from Java class-filesKT-11732Verify error for generic interface method invocation with default parametersKT-14612"ISE: Recursive call in a lazy value" during processing of a (weakly) recursive type aliasKT-18344Upper bound of a typealias type parameter is not reported correctly if it contains the typealias itselfKT-18768@Notnull annotation from Java does not work with varargsKT-20548java.lang.IllegalStateException: Illegal class container on simple Java code parsingKT-22465Excessive synthetic method for private setter from superclassKT-23816Inline classes: constants and annotationsKT-24158AE: No receiver found on incomplete code with $-signsKT-24392Nullability of Java arrays is read incorrectly if @Nullable annotation has both targets TYPE_USE and VALUE_PARAMETERKT-26229Lambda/anonymous function argument in parentheses is not supported for callsInPlace effectKT-29735KNPE atKtEnumEntrySuperclassReferenceExpression.getReferencedElementwith explicit type argument inside enum member constructorKT-31389ClassFormatError with companion object in annotation with @JvmStaticKT-31907ISE: UNIT_EXPECTED_TYPE on parsing array literal inside lambda with Unit return typeKT-32228Inconsistent boxing/unboxing for inline classes when interface is specialized by object expressionKT-32450Inline class incorrectly gets re-wrapped when provided to a functionKT-35849Missing nullability assertion on lambda return value if expected type has generic return value typeKT-35902Kotlin generates a private parameterless constructor for constructors taking inline class arguments with default valuesKT-36399Gradually support TYPE_USE nullability annotations read from class-filesKT-36769JVM IR: Missing LVT entries for inline function (default) parameters at call siteKT-36982JVM IR: SAM adapter classes are generated as syntheticKT-37007JVM IR: extraneous property accessors are generated in multifile facade for InlineOnly propertyKT-37317[FIR] Add support of extension functions in postponed lambda completionKT-38400FIR: interface abstract is preferred to Any method in super resolveKT-38536JVM IR: bound adapted function references are not inlinedKT-38656FIR: determine overridden member visibility properlyKT-38901FIR: Make behavior of integer literals overflow consistent with FE 1.0KT-39709[FIR] False positive UNINITIALIZED_VARIABLE in presence of complex graph with jumpsKT-39923Result.Failure will get wrapped with Success when using with RxJavaKT-40198'$default' methods in 'kotlin/test/AssertionsKt' generated as non-synthetic by JVM_IRKT-40200IDE: Multiple top-level main functions in different files: broken highlighting, "No descriptor resolved for FUN"KT-40262ACC_DEPRECATED flag not generated for property getter delegate in multifile class facade in JVM_IRKT-40282Inline class wrapping Any gets double boxedKT-40464JVM_IR does not generate LINENUMBER at closing brace of (suspend) lambdaKT-40500Warnings reporting by Java nullability annotations doesn't work for not top-level typesKT-40926IDE import actions do not add required import for conventioninvoke()extension callKT-40948IllegalAccessError while initializing val property in EXACTLY_ONCE lambda that is passed to another functionKT-40991NI: UNRESOLVED_REFERENCE_WRONG_RECEIVER instead of FUNCTION_EXPECTED with conventioninvokecallKT-41163Double wrapped value in Result class after map operationKT-41284Spring CGLIB proxies break auto-generated data class componentN and copy methods when using JVM IRKT-41468JVM IR: IllegalAccessError on access to abstract base member from another package, from anonymous object inside abstract classKT-41491UNRESOLVED_REFERENCE_WRONG_RECEIVER instead of FUNCTION_EXPECTED when invoking non-functional value as a functionKT-41493JVM IR: names of classes for local delegated variables contain the variable name twiceKT-41792[FIR] Introduce & use ConeAttribute.UnsafeVarianceKT-41793[FIR] Make captured types accessible at the end of resolveKT-41809JVM IR: name for internal $default method doesn't include module nameKT-41810JVM IR: Deprecated(HIDDEN) class is incorrectly generated as syntheticKT-41841JVM IR: delegates for private functions with default arguments are generated in multifile classesKT-41857Flaky 'ConcurrentModificationException' throughkotlin.serialization.DescriptorSerializerKT-41903JVM IR: do not generate LineNumberTable in auto-generated members of data classesKT-41911JVM IR: nested big-arity function calls are not loweredKT-41957JVM IR: step into suspend function goes to the first line of the fileKT-41960JVM IR: smart step into members implemented with delegation to interface doesn't workKT-41961JVM IR: line numbers are not generated in JvmMultifileClass facade declarationsKT-41962JVM IR: intermittent -1 line numbers in the state machine cause double stepping in the debuggerKT-42001Cannot resolve symbol: AssertionError: Module <sdk 1.8> is not contained in his own dependenciesKT-42002JVM / IR: IllegalStateException: "No mapping for symbol: VAR IR_TEMPORARY_VARIABLE" caused by named argumentsKT-42021JVM / IR: "IndexOutOfBoundsException: Index 0 out of bounds for length 0" during IR lowering with suspend conversionKT-42033JVM IR: accidental override in Map subclass with custom implementations of some membersKT-42036IR: "AssertionError: TypeAliasDescriptor expected: deserialized class Nothing" when referencing typealias with @UnsafeVarianceKT-42043JVM IR: Don't generate collection stubs when implementing methods with more specific return typesKT-42044Compiler error when lambda with contract surrounded with parenthesesKT-42114JVM_IR generates stub for 'removeIf' in abstract classes implementing 'List' and 'Set'KT-42115JVM_IR doesn't generate 'next' and 'hasNext' method in an abstract class implementing 'ListIterator'KT-42116FIR: Java accessor function should not exist in scope together with relevant propertyKT-42117IR-based evaluator cannot handle Java static final fieldsKT-42118FIR2IR: field-targeted annotation is placed on a property, not on a fieldKT-42130FIR: type variable is observed after when condition analysisKT-42132FIR2IR: companion function reference has no dispatch receiverKT-42137JVM IR: AbstractMethodError on complex hierarchy where implementation comes from another supertype and has a more specific typeKT-42186JVM / IR: Infinite cycle in for expression when unsigned bytes are used in decreasing loop rangeKT-42251JVM / IR: "IllegalStateException: Descriptor can be left only if it is last" when comparing the i-th element of the container of Int? andiwith changeKT-42253JVM IR: NoSuchFieldError on local delegated property in inline function whose call site happens before declaration in the sourceKT-42281JVM / IR: AnalyzerException when comparing Int and array that cast to Any in if conditionKT-42340FIR2IR: duplicating fake overridesKT-42344IR-based evaluator doesn't support "annotation in annotation"KT-42346FIR: double-vararg in IR while resolving collection literal as Java annotation argumentKT-42348FIR: false UNINITIALIZED_VARIABLE in local classKT-42350FIR: false UNINITIALIZED_VARIABLE after initialization in try blockKT-42351FIR: false HIDDEN in enum entry member callKT-42354JVM / IR: "AssertionError: Unexpected IR element found during code generation" with KPropertygetinvocationKT-42359FIR2IR: cannot mangle type parameterKT-42373FIR2IR: local object nested class has no parent if forward-referenced by nested class supertypeKT-42384FIR (BE): top-level field has no parent class in BEKT-42496FIR resolve: synthetic property is written but has no setterKT-42517FIR: exception in BE for recursive inline callKT-42530"AssertionError: No type for resolved lambda argument" on attempting to assign a Pair to a couple of values in a scratch fileKT-42601[FIR] Inherited declaration clash for stdlib inheritorsKT-42622NI: IllegalStateException for if expression with method reference inside flowKT-42642ISE: NogetProgressionLastElementfor progression type IntProgressionTypeKT-42650JVM IR: extraneous nullability annotation on a generic function of a flexible typeKT-42656FIR2IR: unsupported callable reference for Java fieldKT-42725Debugger steps into core library inline functions in chained callsKT-42758JVM / IR: Deserialized object that overrides readResolve() is not reference equal to the singleton instanceKT-42770FIR: duplicating signatures in mangler (typealias for functional type)KT-42771FIR: duplicating signature in mangler (data class with delegate)KT-42814FIR: false UNINITIALIZED_VARIABLE in local function after if...elseKT-42844FIR: Property write in init block resolved to parameter writeKT-42846JVM_IR: NPE on function reference to @JvmStatic method in a different fileKT-42933JVM / IR: "AnalyzerException: Expected an object reference, but found I" with local delegate in inline classKT-43006JVM/JVM_IR: do not generate no-arg constructor for constructor with default arguments if there are inline class types in the signatureKT-43017JVM / IR: AssertionError when callable reference passed into a function requiring a suspendable functionKT-43051JVM IR: extraneous methods overridding default (Java 8) collection methods in inline class that extends MutableListKT-43067Inner class declaration inside inline class should be prohibitedKT-43068JVM IR: no generic signatures for explicitly written methods in a List subclass, whose signature coincides with MutableList methodsKT-43132JVM / IR: Method name '<get-...>' in class '...$screenTexts$1$1' cannot be represented in dex format.KT-43145JVM IR: $default methods in multi-file facades are generated as non-synthetic finalKT-43156FIR: false UNINITIALIZED_VARIABLE after initialization insynchronizedblockKT-43196JVM: extra non-static member is generated for extension property in inline classKT-43199JVM IR: synthetic flag for deprecated-hidden is not generated for DeprecatedSinceKotlin and deprecation from overrideKT-43207JVM IR: no collection stub foriteratoris generated on extending AbstractCollectionKT-43217JVM_IR: Multiple FAKE_OVERRIDES for java methods using @NonNull Double and java doubleKT-43225Confusing message of warning NULLABLE_TYPE_PARAMETER_AGAINST_NOT_NULL_TYPE_PARAMETERKT-43226"Incompatible stack heights" with non-local return to outer lambda inside suspend lambdaKT-43242JVM / IR: "AnalyzerException: Expected I, but found R" caused bywheninside object with @Nullable Integer subjectKT-43249Wrong code generated for suspend lambdas with inline class parametersKT-43286JVM IR: IAE "Inline class types should have the same representation: Lkotlin/UInt; != I" on smart cast of unsigned type value with JVM target 1.8KT-43326JVM_IR: No deprecated flag for getter of deprecated interface property copied to DefaultImplsKT-43327JVM_IR: No deprecated or synthetic flag for accessors of deprecated-hidden property of unsigned typeKT-43332FIR: Smart casts lead to false-positive ambiguityKT-43370JVM IR: No deprecated flag for getter of deprecated property copied via delegation by interfaceKT-43459JVM_IR. Wrong signature for synthetic $annotations method for extension property on nullable primitiveKT-43478NI: "IndexOutOfBoundsException: Index: 3, Size: 3" caused byischeck with raw type insideifcondition withwheninsideKT-43519JVM_IR. External functions generated differently in multi file facadesKT-43524JVM_IR. Missed deprecation flag on companion @JvmStatic property accessorKT-43525Prohibit JvmOverloads on declarations with inline class types in parametersKT-43536JVM IR: IllegalStateException is not caught by runCatching under Deferred.await() with kotlinx.coroutinesKT-43562JVM IR: incorrect mangling for Collection.size in unsigned arraysKT-43584[FIR] Java annotations with named arguments aren't loaded correctlyKT-43587Invalid default parameter value in expect actual declaration on jvmKT-43630"AssertionError: Number of arguments should not be less than number of parameters" during capturing intersection raw type with star projectionKT-43698NoSuchMethodError for inline class implementing interface with @JvmDefault methods, -Xjvm-default=enableKT-43741Report error on inline class implementing 'kotlin.Cloneable'KT-43845org.jetbrains.kotlin.codegen.CompilationException: Back-end (JVM) Internal error: Failed to generate expression: KtBlockExpressionKT-43956NI: "Error type encountered – UninferredParameterTypeConstructor" on "try" and other constructs with code block as a valueKT-44055Left uninferred type parameter for callable references inside special callsKT-44113Compiler frontend exception: Number of arguments should not be less than number of parameters, but: parameters=2, args=1KT-44145No highlighting for not initialized base constructor and NoSuchMethodError in Android pluginKT-44540Regression in 1.4.30 in intellij-community: type mismatch for generic function call with generic Java classKT-44563Type Inference loosing type annotations in lambda type expectation for function calls with block parametersIDE
New Features
KT-44075Sealed interfaces: New Kotlin Class/File menu updateFixes
KT-29454Light class with unexpected name when using obfuscated libraryKT-31553Complete Statement: Wrong auto-insertion of closing curly brace for a code blockKT-33466IDE generates incorrectexternal overridewith body for overridingopen externalmethodKT-39458Add CLI support for UL classesKT-40403UAST: PsiMethod for invoked extension function/property misses@receiver:annotationsKT-41406Kotlin doesn't report annotations for type arguments (no way to add@Nls,@NonNlsannotations to String collections in Kotlin)KT-41420UAST does not return information about type annotationsKT-42194OOME: Java heap space from incremental compilationKT-42754MPP: no smart cast for Common nullable property used in platform moduleKT-42821MPP, IDE: Platform-specific errors are reported even when build doesn't target that platformKT-44116Add language version 1.5 to the compiler configuration preferencesKT-44523IDE notification for trying new JVM backendKT-44543Kotlin's LowMemoryWatcher leaks on Kotlin plugin unloadIDE. Android
KT-42381MPP: Bad IDEA dependencies: JVM module depending on built artifact instead of sources of module with Android Plugin appliedIDE. Completion
KT-44016Code completion: support for "sealed interface"KT-44250Code completion does not work in when expression with sealed type argumentIDE. Gradle. Script
KT-39105AE “JvmBuiltins has not been initialized properly” after creating new Gradle/Kotlin-based project via old Project WizardIDE. Inspections and Intentions
New Features
KT-22666"Create enum constant" quick fix could be providedKT-24556Add Remove quick fix for "Expression under 'when' is never equal to null"KT-34121Report unused result of data classcopymethodKT-34533INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER: Add quickfix "Add val to parameter"KT-35215Quickfix for CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT to removeconstmodifierKT-40251Intention action to evaluate compile time expressionKT-44017Sealed interfaces: Java side Inspection "implementation of Kotlin sealed interface is forbidden"KT-43941Sealed interfaces: intention to extend class/interfaceKT-44043Sealed interfaces: quickfix to move class/interface to proper locationFixes
KT-20420Intention "Put arguments/parameters on separate lines" doesn't respect the "Place ')' on new line" Kotlin code style settingKT-21799Quickfix "Change function signature" for receiver type doesn't change itKT-22665"Create object" quick fix produce wrong code for enumKT-23934IntelliJ suggest "merge map to joinToString" even when such action is impossible due to suspending actions in mapKT-30894Wrong results of intention "Add names to call arguments" when backticked argument starts from digitKT-31523ReplaceWith introduces additional argument name for lambda when named argument is used on call-siteKT-31833JavaMapForEachInspection should report for expression with implicit receiverKT-33096Turn 'MapGetWithNotNullAssertionOperator' into an intentionKT-33212False positive "map.put() should be converted to assignment" inspection when class inherited from MutableMap has "set" methodKT-34270False negative "Join declaration and assignment" with constructor callKT-34859False positive "Should be replaced with Kotlin function" inspection for Character.toString(int) functionKT-34959False positive "Redundant overriding method" with different implemented/overridden signaturesKT-35051False positive "Remove redundant backticks" if variable inside the string and isn't followed by spaceKT-35097False positive "Call replaceable with binary operator" on explicit 'equals' call on a platform type valueKT-35165"Replace 'if' with elvis operator": don't suggest if val initializer is a complex expressionKT-35346False positive 'Make internal' suggestion for function inside interfaceKT-35357"Move lambda argument out of parentheses" does not preserve block commentsKT-38349Invalid suggestion to fold to elvis when having a var-variableKT-40704False negative "Redundant semicolon" at start of lineKT-40861"Convert to secondary constructor" intention expected on class nameKT-40879False positive "Redundant 'inner' modifier" when calling another inner class with empty constructorKT-40985"Remove explicit type arguments" is suggested when type has an annotationKT-41223False positive "Redundant inner modifier" inspection ignores constructor arguments of object expressionsKT-41246False positive "Receiver parameter is never used" with anonymous function expressionKT-41298"Remove redundant 'with' call" intention works incorrectly with non-local returns and single-expression functionsKT-41311False positive "Redundant inner modifier" when deriving from a nested Java classKT-41499"Convert receiver to parameter" produces code with incorrect order of generic type and function invocation in case of generic function with lambda as a parameterKT-41680False positive "Redundant inner modifier" when deriving from class with non-empty constructor and value passed to it from enclosing classKT-42201Add Opt-In action doesn't work if there is already OptIn annotationKT-42255"Replace elvis expression with 'if' expression" intention shouldn't introduce unnecessary variable if 'error' expression is usedIDE. JS
KT-43760KJS: Debugging Kotlin code for Node.js runtime doesn't workIDE. Misc
KT-44018Sealed interfaces: IDE side implementation for hierarchy providerIDE. Multiplatform
KT-40814MISSING_DEPENDENCY_CLASS when consuming native-shared library in a source-set with fewer targets than library hasIDE. Run Configurations
KT-34535Unable to run common tests on Android via gutter icon in a multiplatform projectIDE. Scratch
KT-25038Scratch: Destructuring declaration produces an unresolved referenceKT-43415Kotlin scratch file could not be run and could lead to dead lockIDE. Script
KT-44117IDE / Scripts: custom kotlin script definitions aren't loadedJavaScript
Fixes
KT-31072Don't use non-reified arguments to specialize type operations in IR inlinerKT-39964Throwable incorrectly implements constructor for (null, cause) args in K/JS-IRKT-40090KJS: IR. Invalid behaviour for optional parameters (redundant tail undefined parameters)KT-40686KJS: Uncaught ReferenceError caused by external class as type inside eventListener in init blockKT-40771KJS / IR: "ReferenceError: Metadata is not defined" caused by default parameter value in inner class constructorKT-41032KJS / IR: "AssertionError: Assertion failed" caused by class that is delegated to inherited interfaceKT-41076KJS / IR: "AssertionError: Assertion failed" caused by overridden extensiion function in child classKT-41771KJS / IR: IndexOutOfBoundsException "Index 0 out of bounds for length 0" caused by inline class with List in primary constructor and vararg in secondaryKT-42025KJS / IR: IrConstructorCallImpl: No such type argument slot: 0KT-42112KJS: StackOverflowError on @JsExport in case of name clash with function with Enum parameter with star-projectionKT-42262KJS:break-statements without label are ignored in awhenKT-42357KotlinJS - external class constructor with vararg does not correctly handle spread operator.KT-42364KJS: Properties of interface delegate are non-configurableKT-43212JS IR: supportinitblocks inside inline classesKT-43222KJS IR: prototype lazy initialization for top-level properties like in JVMKT-43313KJS / IR: "Can't find name for declaration FUN" for secondary constructorKT-43901Call to enum values() method from enum companion object leads to non-initialized enum instancesKMM Plugin
KT-41677Could not launch iOS project with custom display nameKT-42463Launch common tests for Android on local JVM via run gutterKT-43188NoSuchMethodError in New Module Wizard of KMM ProjectLibraries
KT-41112Docs: add more details about bit shift operationsKT-41278map.entries.contains can return false if the argument is not MutableEntryKT-41356Incorrect documentation forrangeTofunctionKT-44456Introduce locale-agnostic API for case conversionsKT-44458Introduce new Char-to-code and Char-to-digit conversionsMiddle-end. IR
KT-41765[Native/IR] Could not resolveFakeOverride()KT-42054Psi2ir: "RuntimeException: IrSimpleFunctionSymbolImpl is already bound" when using result of function with overload resolution by lambda return typeNative
KT-442191.4.30-M1: Non-reified type parameters with recursive bounds are not supported yetKT-44271[Kotlin/Native] Incorrect linking when targeting linux_x64 from mingw_x64 hostNative. C and ObjC Import
KT-42412[C-interop] Modality of generated property accessors is always FINALNative. ObjC Export
KT-38530Native: values() method of enum classes is not exposed to Objective-C/SwiftKT-43599K/N: Unbound symbols not allowedNative. Platform libraries
KT-43597Support for Xcode 12.2 SDKNative. Platforms
KT-43276Support watchos_x64 targetNative. Runtime
KT-42822Kotlin/Native Worker leaks ObjC/Swift autorelease references (and indirectly bridged K/N references) on Darwin targetsNative. Stdlib
KT-42172Kotlin/Native: StableRef.dispose race condition on Kotlin deinitRuntimeKT-42428Inconsistent behavior of map.entries on Kotlin.NativeReflection
KT-34024"KotlinReflectionInternalError: Inconsistent number of parameters" withjavaMethodon suspending functions with inline class in function signature or inside the functionTools. CLI
KT-43294Support-no-stdliboption for thekotlinrunnerKT-43406JVM: produce deterministic jar files if -d option value is a .jar fileTools. CLI. Native
KT-40670Allow to override konan.properties via CLITools. Compiler Plugins
KT-41764KJS /IR IllegalStateException: "Symbol for public kotlin/arrayOf is unbound" with serialization pluginKT-42976kotlinx.serialization + JVM IR: NPE on annotation with @SerialInfoKT-43725Prohibit inner and local classes in kotlin-noargTools. Gradle
KT-38692KaptGenerateStubs Gradle task will not clean up outputs when sources are empty and not an incremental buildKT-40140kotlin-android plugin eagerly creates several Gradle tasksKT-41295Kotlin Gradle Plugin 1.4.20 Configuration Caching bug due to friendPath providerKT-42058Support moduleName option in Kotlin Gradle plugin for JVMKT-43054Implementation ofAbstractKotlinTarget#buildAdhocComponentsFromKotlinVariantsbreaks configuration cachingKT-43489Incremental compilation - unable to find history files causing full recompilationKT-43740Gradle out-of-process runner fails with unclear diagnostics if build directory does not existKT-43895Fix cacheability warnings for the Kotlin pluginsTools. Gradle. JS
KT-42400Kotlin/JS: Gradle DSL: customField() is rejected in Groovy build.gradleKT-42462NPM dependency declaration with Groovy interpolated stringKT-42954Kotlin/JS: IDE import after changingkotlin.js.externals.output.formatdoes not re-generate externalsKT-43535Common webpack configuration breaks on lambda serialization in some casesKT-43668PackageJson task use file dependencies as is (files and directories), but only files necessaryKT-43793nodeArgs in NodeJsExec taskKT-43842KJS: Invalidoutput.librarysupport fornullvalueKT-44104KJS / Gradle: An ability to pass jvm args to K2JSDce processTools. Gradle. Multiplatform
KT-42269Setup default dependsOn edges for Android source setsKT-42413[MPP/gradle]withJavabreaks build on 1.4.20-M1KT-43141Gradle / Configuration cache: NPE from org.jetbrains.kotlin.gradle.tasks.KotlinCompileCommon.getKotlinOptions() on reusing configuration cache for task compileCommonMainKotlinMetadataKT-43329Gradle / Configuration cache: IAE “Parameter specified as non-null is null: method KotlinMetadataTargetConfiguratorKt.isCompatibilityMetadataVariantEnabled, parameter $this$isCompatibilityMetadataVariantEnabled” on reusing configuration cache for task compileKotlinMetadataKT-44298Kotlin 1.4.20+ MPP "root" module publication does not include the source JAR that used to be published in the -metadata modulesTools. Gradle. Native
KT-39564Make kotlin-native Gradle tasks CacheableKT-42485Fail on cinterop: clang_indexTranslationUnit returned 1KT-42550Adding subspec dependency with git location failedKT-42849Gradle / Configuration cache: tasks nativeMetadataJar, runReleaseExecutableNative, runDebugExecutableNative are unsupported and fails on reusing configuration cacheKT-42938CocoaPods Gradle plugin: podBuildDependencies doesn't properly report xcodebuild failuresKT-43151Gradle / Configuration cache: UPAE “lateinit property binary has not been initialized” on reusing configuration cache for linkDebugExecutableNative, linkDebugTestNative, linkReleaseExecutableNative tasksKT-43516Failed to resolve Kotin library [Multiple Multiplatform modules]Tools. Incremental Compile
KT-42937another compilation fail (problem with compilation caches?)Tools. JPS
KT-39536JPS compilation fails with IOException "storage is already closed"Tools. Parcelize
KT-41553JVM IR, Parcelize: IrStarProjectionImpl cannot be cast to class IrTypeProjectionTools. Scripts
KT-43534Allow running "main.kts" script that does not end in a "main.kts" filename (would allow kotlin scripting on GitHub Actions)KT-43176NoSuchMethodError: 'int Script.access$getAValue$p(Script) for not-inlined functionsKT-43294Support-no-stdliboption for thekotlinrunnerTools. kapt
KT-34340Incremental annotation processor recompile all files (only if KAPT enabled).KT-36667Kapt: Add a flag to strip kotlin.Metadata() annotations from stubsKT-40493KAPT does not support aggregating annotations processors in incremental modeKT-40882Kapt stub generation is non-deterministic for incremental compilationKT-41788NullPointerException: Random crashes of build using gradle and kapt because of not calling Processor.init()KT-42182KAPT: Does not consider generated sources for incremental compilation.Checksums
v1.4.21-2: Kotlin 1.4.21-2This release contains the fix for the kotlinx.serialization plugin working together with Jetpack Compose plugin.
Please use the 1.4.21 version for your usual production work and use this version only if you want to experiment on kotlinx.serialization and Jetpack Compose together.
v1.4.21: Kotlin 1.4.21CHANGELOG
IDE. Gradle Integration
KT-42561"Could not get unknown property 'sourceSets' for project" when running JVM module with included MPP moduleKT-43511Task 'MainKt.main()' not found in root projectLibraries
KT-43586Source documentation: ExperimentalPathAPI misspeltKT-43745replacefor strings ignores case of locale charactersNative. C and ObjC Import
KT-43265Kotlin/Native fails to generate alias for C enum entryKT-43530Kotlin/Native compilation fails with "Symbol for public kotlin/Array.size.|-8255337774232345969[0] is unbound"Native
KT-43517On Kotlin 1.4.20 we got kotlin.NotImplementedError when try compile iOS frameworkTools. Gradle. JS
KT-43668PackageJson task use file dependencies as is (files and directories), but only files necessaryChecksums
v1.4.20: Kotlin 1.4.20CHANGELOG
Android
KT-42121Deprecate Kotlin Android Extensions compiler pluginKT-42267Platform declaration clasherror in IDE when usingkotlinx.android.parcel.ParcelizeKT-42406Long or infinite code analysis on simple files modificationBackend. Native
KT-27534Bridges to Nothing-returning methods have incorrect signatureKT-30284Native: Nothing? type for expression override and crashKT-36430Optimize when with in range casesKT-38787Missing optimization for "in range" checkKT-39100Make Native behaviour of property initialization consistent with JVMKT-39798Override equals/hashCode in functional interface wrappers on NativeKT-39800equals/hashCode on adapted function references on NativeKT-41394Compilation failed: Backend Internal error: Exception during IR loweringKT-41907Framework test segfaults on GC on watchos_x86 compiled with -optCompiler
New Features
KT-21147JEP 280: Indify String Concatenation (StringConcatFactory)KT-34178Scripts should be able to access imports objectsKT-35549Support kotlin-android-extensions in JVM IR backend (for use with Jetpack Compose projects)KT-31567Support special semantics for underscore-named catch block parametersPerformance Improvements
KT-20571Coroutines: Reduce number of local variables stored at suspension pointKT-28016Coroutine state-machines spill/unspill shall be optimized using data-flow analysisKT-33394UI freezes triggered by QualifiedExpressionResolver.resolveToPackageOrClassPrefixKT-36814Support optimized delegated properties in JVM_IRKT-36829Optimize 'in' expressions (operator fun contains) in JVM_IRKT-41741NI: "AssertionError: Empty intersection for types" with generic Java collectionKT-42195NI: prohibitively long compilation time for values of nested data structures with type inferenceKT-42221Native compiler never finishes frontend phase after migrating to Kotlin 1.4.10Fixes
KT-11713Refine visibility check for synthetic property with protected setterKT-16222Coroutine should be clearing any internal state as soon as possible to avoid memory leaksKT-25519Extra inline marks inside suspending function callable reference bytecodeKT-33226Object INSTANCE field not annotated with NotNull in generated bytecodeKT-35495FIR: forbid non-Java synthetic propertiesKT-35651Kotlin stdlib has greater resolution priority than jars added via @file:DependsOn annotationKT-35716Using @JvmOverloads in @JvmStatic functions in interface companion objects causes a ClassFormatErrorKT-35730FIR: consider creating fake overrides for objectsKT-36951IllegalStateException: Expected some types: Throwing exception when there is a type parameter upper bound for itselfKT-37321[FIR] Support java array in type argumentKT-37431[FIR] Support Builder InferenceKT-38272FIR2IR: use lazy IR symbols for externals & fake overridesKT-38333FIR: CCE on red code with assignment used as expressionKT-38334FIR: CCE when resolving try-as-expressionKT-38336FIR: NPE with corrupted numeric constant literalKT-38397FIR: Exception while resolving contract definitionKT-38444[FIR] Invoke extension lambda with safe callKT-38470FIR: ConeDefinitelyNotNullType in signatureKT-38471FIR: ConeIntersectionType in signatureKT-38925Internal error: wrong bytecode generated. (AssertionError: int type expected, but null was found in basic frames)KT-38989FIR: Refine sealed classes exhaustiveness in case of sealed subclassKT-38992FIR: Refine type resolution for inner classesKT-39000FIR: Support smartcast after reference equality checkKT-39005FIR: Resolve plusAssign in a dependent contextKT-39008FIR: Investigate strange effect of type alias and not-nullable bound on inferenceKT-39012FIR: Inference doesn't get through elvis to lambda parameterKT-39028FIR: Strange resolution to synthetic property with implicit extension receiver while there's an explicit receiverKT-39032FIR: Ambiguity in member scope of a type parameter with multiple boundsKT-39033FIR: Ambiguity when calling generic overridden propertyKT-39034FIR: Support nested extension function typesKT-39040FIR: Deserialize annotations from compiled Kotlin binariesKT-39043FIR: Bare types incorrectly work with type aliasesKT-39044FIR: Add fillInStackTrace to member scope of kotlin.ThrowableKT-39046FIR: Implicit types in lambdas left when call argument is a type castKT-39048FIR: Inference fails with integer literal used as ComparableKT-39050FIR: Type resolver doesn't see nested classes from super class of a local classKT-39070FIR: Ambiguity on super calls to hashCode/equals when having super interface and classKT-39072FIR: Subtyping check doesn't affect nullability of safe-call receiverKT-39076FIR: Synthetic property is not a var because of @Nullable annotation on parameterKT-39080FIR: Smart casts remain incorrect if lambda is present in when branchKT-39374Wrong bytecode generated for suspend function call with EXACTLY_ONCE lambda capturing a variable initialized in when-subjectKT-39621[FIR] Support when exhaustiveness checker for java enumsKT-40135JVM IR does not generate restricted suspend lambdasKT-40382Missing proper jvmSignature for synthesized equals/hashCode/toString in inline classesKT-40605JVM IR: IndexOutOfBoundsException caused by inner class passed to generic outer class method with Nothing type argumentKT-40664JVM: No bounds check in optimization ofULong in UInt..UIntKT-40665JVM: No resolved function check when optimizingin/containswith mismatched bound typesKT-41014FIR2IR: when/where/how to determine the presence of a backing field for a propertyKT-41018FIR2IR: sort members during de/serializationKT-41144False positive "Redundant spread operator" in when statement and generic vararg argumentKT-41218HMPP: arrayList declarations are visible both from stdlib-common and stdlib-jvm and lead to false-positive resolution ambiguity in IDEKT-41374JVM / IR: NoSuchMethodError in Android project compiler caused by combination of inline classes and coroutinesKT-41388NI: Backend Internal error: Exception during IR loweringKT-41429Inline class returned from suspend function should be boxed on resume pathKT-41465JVM / IR: "AssertionError: inconsistent parent function for CLASS LAMBDA_IMPL CLASS name" caused by inline method call into multiple constructorsKT-41484JVM IR: support -Xemit-jvm-type-annotationsKT-41668JVM IR: incorrect enclosing constructor for lambdas in initializers of inner classesKT-41669JVM IR: incorrect hashCode intrinsic is used in JVM target 1.8 for generic type substituted with primitiveKT-41693NI: Type inference in nested expression incorrectly assumes non-nullable return type of Java function, causing NullPointerExceptionKT-41729NI: UnsupportedOperationException with invalid callable referenceKT-41761JVM IR: CCE from backend on generating typeOf for non-reified type parameter with star projection in upper boundKT-41789Missing DebugMetadata in inlined suspend lambdaKT-41913NI: Kotlin 1.4 type inference breaks valid codeKT-41934NI: a type variable for lambda parameter has been inferred to nullable type instead of not null oneKT-42005JVM / IR: "NullPointerException: Parameter specified as non-null is null" when toString is called on inline class with not primitive propertyKT-42450NI: "IllegalStateException: Error type encountered: NonFixed:" with coroutinesKT-42523Missed DefaultImpls for interface in-jvm-default=allmode on inheriting it from interface compiled in old schemeKT-42524Wrong specialization diagnostic is reported on inheriting from java interface with default with -Xjvm-default=all-compatibilityKT-42546HMPP: incorrect subtyping of nullable types & overload resolution ambiguity on using and expect-function declaration with nullable expect in a signatureKT-17691Wrong argument order in resolved call with varargsKT-25114Prohibit @JvmStatic on functions in private companionsKT-33917Prohibit to expose anonymous types from private inline functionsKT-35870Forbid secondary enum class constructors which do not delegate to the primary constructorKT-39098NI: parameter of anonymous function can be inferred to Any? if another parameter's type is specifiedKT-41176NI with Gson: "ClassCastException: java.util.ArrayList cannot be cast to java.lang.Void"KT-41194ClassCastException on returning Result.failure from lambda within suspend functionKT-42438NI: ClassCastException: cannot be cast to java.lang.Void caused by when statement inrunfunctionKT-42699False positive NON_JVM_DEFAULT_OVERRIDES_JAVA_DEFAULT diagnostic in new jvm-default modesKT-42706Kotlin 1.4 infers generic is Nothing instead of actual Foo class (Android project)Docs & Examples
KT-42318No documentation forkotlin.js.jsIDE
New Features
KT-20775More kotlin kinds in new kotlin file/class menuKT-31331Improve: Optimize Import should remove unused unresolved importsKT-31500Smart enter: support get() clauseKT-39231Injection: Add receiver of kotlin.text.toPattern to standard Kotlin injectionsKT-39844Add specific highlight for Enum classPerformance Improvements
KT-39353Implement EnterBetweenBracesNoCommitDelegateKT-39720A lot of freezes in Kotlin projectKT-41634Deadlock in org.jetbrains.kotlin.idea.framework.LibraryEffectiveKindProviderImpl.getEffectiveKindKT-41936Impossible to work with Kotlin 1.4 in 202 idea, idea eats all cpuFixes
KT-10790"Move statement up" for @file-targeted annotation moves package declaration to bottom of fileKT-15262"Generate toString()" is ignoring property if it has a getterKT-24352Method separators: displayed between properties, not displayed between companion object and functionKT-29364"Extend selection" can't select lambda body with parametersKT-32403Clickable links in annotation parameters (like in TODOs)KT-32409Organizing imports should not remove imports while there are unresolved symbolsKT-34566Too small indent after line break for multi line stringsKT-34587"Move statement down" doesn't work for statement in constructor with end-of-line commentKT-34705"Move statement down" for penultimate statement with end-of-line comment in constructor leads to moving comma to the end of commentKT-34707"Move statement up" for last statement with end-of-line comment in constructor leads to moving comma to the end of commentKT-35424FIR IDE: Kotlin project does not see stdlibKT-35732URLs in String literals are not clickableKT-35859Language injection doesn't work with named arguments in different positionKT-37210UAST: KtLightClassForSourceDeclaration.isInheritor sometimes returns the wrong resultKT-37219File level OptIn annotation is not recognized by the IDEKT-38959IDE: False negative EXPLICIT_DELEGATION_CALL_REQUIRED, "IllegalArgumentException: Range must be inside element being annotated"KT-39398Wrong import of unrelated object member is suggested for receiverKT-39457Separate decompiled declarations Light implementation from LightClasses infrastructureKT-39899KotlinOptimizeImportsRefactoringHelper: ISE: Attempt to modify PSI for non-committed DocumentKT-40578UAST: write accesses to Kotlin properties should resolve to setterKT-41290KotlinClassViaConstructorUSimpleReferenceExpression resolves to PsiMethod instead of PsiClassKT-42029HMPP, IDE: NPE fromFacetSerializationKt.getFacetPlatformByConfigurationElementon project openingKT-43202On 1.4.20-RC version AS ask for xml compatibility update for EAP version of pluginKT-42883No highlighting for elements marked as @Deprecated in stdlibIDE. Android
KT-42406Long or infinite code analysis on simple files modificationKT-42061Highlighting is broken in Android activityKT-41930Android Studio 4.2 cannot start after updating to 1.4.20 plugin with error: Missing essential plugin: org.jetbrains.androidIDE. Completion
KT-26235Kotlin methods/fields don't have icons in Java completionIDE. Debugger
KT-37486Kotlin plugin keeps reference to stream debugger support classes after stream debugger plugin is disabledKT-38659Evaluate Expression:toString()on variable returns error when breakpoint is incommonTestsourcesetKT-39309Debugger: Prolonged "Collecting data" for variables when breakpoint is insiderespondHtmlKT-39435"Collecting data..." in debugger variables view never finishesKT-39717Debugger shows "Collecting data..." forever for instances of some classKT-40386Memory leak detected: 'org.jetbrains.kotlin.idea.debugger.coroutine.view.XCoroutineView'KT-40635Coroutines Debugger: make IDE plugin accept coroutines 1.3.8-rc* versions as wellKT-41505Coroutines Debugger: “Access is allowed from event dispatch thread with IW lock only.”IDE. Decompiler, Indexing, Stubs
KT-28732Stub file element types should be registered early enoughKT-41346IDE: "AssertionError: Stub type mismatch: USER_TYPE!=REFERENCE_EXPRESSION" withCollapsedDumpParserclass from IDEA SDKKT-41859File analysis never ending with kotlinx.cli (AssertionError: Stub type mismatch: TYPEALIAS!=CLASS)KT-41640"Project roots have changed" happened during indexing because of org.jetbrains.kotlin.idea.core.script.ucache.ScriptClassRootsUpdater$notifyRootsChanged increases overall indexing time.KT-41646"AssertionError: ContentElementType: FILE"; Code analysis never finishes on some files from my projectIDE. Gradle Integration
KT-34271SupportpureKotlinSourceFoldersfor MPP projectsKT-37106Gradle + IDE integration: on creating source roots from Project tree IDEA creates incorrect settingsKT-38830addTransitiveDependenciesOnImplementedModules performance is slowing down Android Studio Gradle SyncKT-41703Kotlin plugin not functional: PluginException: While loading class org.jetbrains.kotlin.idea.core.script.KotlinScriptDependenciesClassFinderIDE. Gradle. Script
KT-35092“Unable to get Gradle home directory” popup and no build.gradle.kts highlighting right after creating a new projectKT-37590Wrong notification for precompiled build scriptKT-39523Go to Declaration navigates to decompiled classfile instead of sources in case of jumping to Gradle plugin sources in buildSrcKT-39542EA-218043: java.util.NoSuchElementException: No element of given type found (GradleBuildRootsManager)KT-39790List of standalone script should be saved between IDE restartsKT-39910build.gradle.kts isn't highlighted after importKT-39916init.gradle.kts isn't highlightedKT-40243gradle.kts: standalone script under build root isn't highlighted as standaloneKT-41141Gradle Kotlin DSL: "cannot access 'java.lang.Comparable'. Check your module classpath" with empty JDK in Project structureKT-41281Multiple Script Definitions warning shown in git project having multiple Gradle projectsIDE. Hints
KT-32368Rework Inline hints settings so that they look appropriate with the new UI in 2019.3KT-38027Support Code Vision feature in KotlinKT-42014ClassNotFoundException in Android Studio 4.2 after installing 1.4.20 pluginIDE. Hints. Parameter Info
KT-24172Parameter info marks signature as inapplicable when using argument labelsKT-41617Parameter Info shows nothing inside already present type arguments of supertypeKT-41645Add support for mixed named arguments to parameter info popupIDE. Inspections and Intentions
New Features
KT-14578Suggest "Convert lambda to reference" intention for generic extension functionKT-19321Warn if method with nullable return type always returns non-nullKT-20718Add a quick fix for "this class has no constructor" error on 'expect' annotation classesKT-21223Add inspection for incomplete destructuringKT-22420Intention to replace a = b with b.also { a = it }KT-39930Add inspection for nullable Boolean inifconditionKT-40016Replace 'a.toLowerCase() == b.toLowerCase()' with 'a.equals(b, ignoreCase = true)' inspectionKT-40283Inspection which replacesalso/applywith nestedforEachtoonEachKT-40769Add intention to replace isBlank/isNotBlank method negationFixes
KT-12222Intention 'Convert to block body' should take nullability of overriden method into account when expression is of platform typeKT-14395Lambda to Reference doesn't work for generic typesKT-15846'Change lambda expression return type' quick fix does nothingKT-15944IDEA doesn't suggest to replace deprecated get set operator functions when it used as operatorKT-17222"Convert reference to lambda" creates red code for method with default argument valuesKT-18125"Wrap with let {...}" intention not available in all casesKT-20438Naming convention inspections: factory functions that are named like classes are flaggedKT-24138Incorrect behavior in "convert reference to lambda" with new inference enabled, on function reference with default argumentsKT-29844"Create class from usage" should mark constructor of created class as internal if its parameters have internal visibilityKT-30928"Show hints for suspend calls" is too easy to enable and hard to disableKT-31749"Surround with null check" produces incorrect check for 'in' expressionKT-32963Don't suggestjavadirectory of a JVM source set in multiplatform project as a target forCreate actualquick fixKT-33211Quickfix "add parameter" for method references should infer functional type instead of KFunctionKT-33258"Merge 'if's" intention drops comment before nested ifKT-34572Convert to block body action improperly works with suppress annotationsKT-35128IntentionConvert member to extensionhides property delegate text with single line commentKT-35214IntentionPut parameters on one line: don't suggest if parameters has end-of-line commentsKT-35320False positive "Replace explicit parameter 'x' with 'it'" in 'when' expression which returns lambdaKT-35525False positive intention for 'run': "Convert to 'let'" when invoked without receiverKT-35526Intention "Eliminate argument of 'when'" is broken for 'when' expression without 'else' branchKT-35805FoldInitializerAndIfToElvis: should not add new line for multiline initializerKT-36051IfThenToSafeAccessInspection: do not report if condition is SENSELESS_COMPARISONKT-37748"Convert anonymous function to lambda expression" intention does not add necessary lambda type parameterKT-37841IllegalStateException after "add non-null asserted call" on nullable function referenceKT-38139False negative "Add suspend modifier" quickfix when suspend function is called in inline lambdaKT-38267False positive "Call on collection type may be reduced" with Java platform types: suggested to reduce 'mapNotNull' call to 'map'KT-38282False positive "Remove redundant spread operator" inspection with array as class property or fun argumentKT-38915"Remove explicit type specification" intention should be disabled in explicit API modeKT-38981"Specify return type explicitly" inspection is not reported for declaration annotated with @PublishedApi in Explicit Api modeKT-39026'Specify return type explicitly' intention duplicates compiler warning in Explicit api modeKT-39200False positive "Redundant qualifier name" with same-named member object and companion propertyKT-39263False positive "Variable should be inlined" for override value in initialized objectKT-39311Batch quick fix name for "Change file's package" is truncatedKT-39393"Convert anonymous function to lambda expression" intention does not add necessary lambda type parameter for outer functionKT-39454False positive "Unused symbol" with private anonymous object propertyKT-39467False negative "Move variable declaration into when" if a variable declaration is placed on a new lineKT-39490'Wrap with ?.let' quickfix put the receiver inletlambdaKT-39552Merge 'if's intention drops comment after nested ifKT-39604"Package directive doesn't match file location" quick fix does not insert a space between keywordpackageand the package nameKT-39772"Redundant 'Unit'" should support lambdasKT-40215"Create abstract function" quick fix suggested even though surrounding class is non-abstractKT-40448"Convert call chain into sequence": support functions added in Kotlin 1.4KT-40558False positive "Move to class body" intention on data class constructor propertyKT-41338False positive "Redundant 'asSequence' call" when Map.Entry properties are used.KT-41615"Unused equals expression" inspection: highlight whole expression with yellow backgroundKT-43037Disable "Incomplete destructuring declaration" in 1.4.20IDE. J2K
KT-20421J2K: SUPERTYPE_NOT_INITIALIZED for object extending base classKT-37298J2K: implicit widening conversion for whole argument expression is transformed to cast on subexpressionKT-38879J2K loses class annotations when converting class to objectKT-39149J2K fails with augmented assignment operators when multiplying int by a non-intKT-40359J2K: Conversion of invalid octal numbers throws NumberFormatExceptionKT-40363J2K: Converting HEX integer literal in for-loop throws NumberFormatExceptionIDE. JS
KT-39319KJS: Support debugging through new Intellij 202 APIKT-41328KJS / Gradle: explicitApi mode doesn't workIDE. KDoc
KT-17926IDE should show documentation for a class if the constructor has no docs.KT-19069KDoc: show default argument valuesKT-37132Redundant @NotNull annotation in a Quick Documentation pop-upIDE. Misc
KT-39327Get rid of usages of internal classes ModuleOrderEntryImpl and LibraryImplKT-40455Improve support for EditorConfigIDE. Navigation
KT-24616Find usages fails to find setter usageKT-38762"Cannot access 'java.io.Serializable' which is a supertype of 'kotlin.Int'" brokes navigation to constructor parameter declarationKT-39558Call Hierarchy shows references from KDocKT-40788"Find usages" on Java getter overridden in Kotlin doesn't find synthetic property usage when it is called without base declarationKT-40960Unable to find usages in java of Kotlin constructor in library when sources is attached.IDE. Project View
KT-37528'Add Kotlin File/Class' suggests file before classIDE. Refactorings
KT-19744"Change Signature" is not available onconstructorkeyword in primary constructorKT-22170"Change Signature" ignores Java usages of methods marked with @JvmStaticKT-37517Invalid qualified name on copy-paste in build.gradle.ktsIDE. Run Configurations
KT-24463MPP, Intellij runner: Run does not add resource directory to classpathKT-36370Hide run gutter icons for not yet implemented targets in multiplatform projectsKT-39788MPP, Gradle runner: Run does not add resource directory to classpath on project reopen without Gradle syncIDE. Scratch
KT-40557IDE / Scratch: .kt files are treated as Kotlin scratches, opening failsIDE. Script
KT-35825Custom kotlin scripts have no project import suggestions in sub modules.KT-39796Performance of KotlinScriptDependenciesClassFinderKT-41622IDE: Kotlin scripting support can't find context class from same projectKT-41905IDE / Script: FilePathPattern parameter in @KotlinScript annotation is not reflected correctly in Pattern / ExtensionKT-42206Cannot load script definitions using org.jetbrains.kotlin.jsr223.ScriptDefinitionForExtensionAndIdeConsoleRootsSourceIDE. Tests Support
KT-28854Run/Debug configurations: "Redirect input from" option is not available for Kotlin appsKT-36909IDE attempts to run non-JVM tests launched from context menu as JVM onesKT-37799Don't show a target choice in context menu for a test launched on specific platformIDE. Wizards
KT-37965New Project wizard 1.4+: adding JUnit5 test library add dependency to runnerKT-40527Node.JS application template in New Project WizardKT-40874Open new project wizard help page in browser when clicking help button in new project wizardKT-41417Add react template to new project wizardKT-41418Wizard: Support KJS compiler choiceKT-41958New project wizard: Backend/Console applications template with Groovy DSL missing compileTestKotlin blockKT-42372Rrename test classes in wizard template to avoid name clashingJavaScript
KT-38136JS IR BE: add an ability to generate separate js files for each module and maybe each libraryKT-38868[MPP / JS / IR] IllegalStateException: "Serializable class must have single primary constructor" for expect class without primary constructor with @Serializable annotationKT-39088[ KJS / IR ] IllegalStateException: Concrete fake override IrBasedFunctionHandleKT-39367KJS: .d.ts generation not working for objectsKT-39378KJS / IR: "IllegalStateException: Operation is unsupported" with binaries.executable() and external function insideforloop with Iterator as return typeKT-41275KJS / IR: "IllegalStateException: Can't find name for declaration FUN" caused by default value in constructor parameterKT-41627KJS / IR / Serialization: IllegalStateException: Serializable class must have single primary constructorKT-37829Kotlin JS IR: "Properties without fields are not supported" for companion objectsKT-39740KJS / IR: Can't use Serializable and JsExport annotations at the same timeKMM Plugin
KT-41522KMM: exceptions for Mobile Multiplatform plugin are suggested to report to Google, not JetBrainsKT-42065[KMM plugin] iOS apps fail to launch on iOS simulator with Xcode 12Libraries
KT-41799String.replace performance improvementsKT-43306Deprecate createTempFile and createTempDir functions in kotlin.ioKT-19192Provide file system extensions/APIs based on java.nio.file.PathKT-41837Remove @ExperimentalStdlibApi from CancellationExceptionMiddle-end. IR
KT-40193IR: pluginContext.referenceClass() is not resolving typealiasKT-41181Kotlin/Native 1.4.0 compiler fails on data class with >120 fieldsNative. C and ObjC Import
KT-41250[C-interop] Stubs for C functions without parameter names should have non-stable namesKT-41639Use LazyIR for enums and structs from cached librariesKT-41655Native: "type cnames.structs.S of return value is not supported here: doesn't correspond to any C type" when accessing forward-declared-struct-typed C global variableNative. ObjC Export
KT-38641Kotlin-Multiplatform: Objective-Cdescriptionmethod name collision in SwiftKT-39206New line characters in @Deprecated annotation cause syntax error in Kotlin/native exported headerNative. Platform libraries
KT-42191Support for Xcode 12Native. Runtime. Memory
KT-42275"Memory.cpp:1605: runtime assert: Recursive GC is disallowed" sometimes when using Kotlin from Swift deinitNative. Stdlib
KT-39145MutableData append methodTools. Android Extensions
KT-42342Build fails withjava.lang.RuntimeException: Duplicate class found in modulesoncheckDebug(Release)DuplicateClassestask when bothkotlin-parcelizeandkotlin-android-extensionsplugins are appliedTools. CLI
KT-35111Extend CLI compilers help with link to online docsKT-41916Add JVM target bytecode version 15Tools. Commonizer
KT-41220[Commonizer] Short-circuit type aliasesKT-41247[Commonizer] Missed supertypes in commonized classKT-41643Commonizer exception for targets [ios_x64], [macos_x64]KT-42574HMPP: unresolved platform.* imports in nativeMain source setTools. Compiler Plugins
KT-36329Provide diagnostic in kotlinx.serialization when custom serializer mismatches property typeKT-40030Move the Parcelize functionality out of the Android Extensions pluginTools. Gradle
KT-33908Make Kotlin Gradle plugin compatible with the Gradle configuration cacheKT-35341KotlinCompile: Symlinked friend paths are no longer supportedTools. Gradle. JS
New Features
KT-35330Allow to customise generated package.jsonKT-39825Provide single point of Webpack configuration in Gradle scriptKT-41054Support Yarn resolutionsKT-41340Add flag to suppress kotlin2js deprecation messageKT-41566Kotlin/JS: Support JavaScript Library distributionKT-42222KJS / Gradle: "Cannot find package@version in yarn.lock" when npm dependencies of one package but with different version are used in projectKT-42339Support dukat binaries generationFixes
KT-39515package.json is regenerated without a visible reasonKT-39838Kotlin/JS Gradle tooling: NPM dependencies of different kinds with different versions of the same package fail with "Cannot find package@version in yarn.lock"KT-39995Collect statistic about generateExternals featureKT-40087Kotlin/JS, IR backend: browserRun: update in continuous mode fails: "ENOENT: no such file or directory" referring output .jsKT-40159Implement workaround / fix for webpack's "window is not defined"KT-40178Browser run task prints output in TeamCity formatKT-40201Kotlin/JS: Gradle: public package.json has emptydevDependencies {}KT-40202Kotlin/JS: Gradle: NPM version range operators are written into package.json as escape sequencesKT-40342[Gradle, JS, Maven] "Cannot find module" generating fake NPM module from Maven dependendencyKT-40462Collect statistic about usages of kotlin.js.generate.executable.default optionKT-40753Type script definition file is not referenced as types in the package.jsonKT-40812Node.JS run working directoryKT-40865KJS / Gradle: Registering a task with a type that directly extends AbstractTask has been deprecatedKT-40986KJS / Gradle: BuildOperationQueueFailure when two different versions of js library are used as dependenciesKT-41125Bump NPM versions in 1.4.20KT-41286KJS / Gradle: args order in runTask is changed in 1.4.0KT-41475KJS / Gradle: debug mode doesn't support custom launchers in karma configKT-41662Kotlin/JS: with CSS support mode == "extract" browser test fails even without CSS usage: "Error in config file!"KT-42494KJS / Gradle: "Configuration cache state could not be cached" caused by Gradle configuration cacheTools. Gradle. Native
KT-39764Assertions are disabled when running K/N compiler in Gradle processKT-39999Cocoapods plugin's dummy header cannot be compiledKT-40999CocoaPods Gradle plugin: Support custom cinterop options when declaring a pod dependency.KT-41367CocoaPods Gradle plugin: support git repository dependencyKT-41844Kotlin 1.4.10 gradle configuration error with cocoapods using multiple multiplatform modulesKT-42531Gradle task "podGenIos" fails if a Pod with a static library is added.Tools. Incremental Compile
KT-37446Incremental analysis for Java sources fails when run on JDK 11Tools. Parcelize
KT-39981Android parcel 'java.lang.VerifyError: Bad return type'KT-42267Platform declaration clasherror in IDE when usingkotlinx.android.parcel.ParcelizeKT-42958False positive IDE error on classes with kotlinx.parcelize.Parcelize on project initial importKT-43290Typo in error message forErrorsParcelize.DEPRECATED_ANNOTATION- kotlin.parcelize instead of kotlinx.parcelizeKT-43291Diagnostic deprecation messages should not be shown in casekotlin-android-extensionsplugin is appliedTools. Scripts
KT-37987Kotlin script: hyphen arguments not forwarded to scriptKT-38404Scripting API: Provide Location of Annotation UsageKT-39502Scripting: reverse order of Severity enum so that ERROR > INFOKT-42335No "caused by" info about an exception that thrown in Kotlin ScriptTools. kapt
KT-25960Interfaces annotated with JvmDefault has wrong modifiers during annotation processingKT-37732Kapt task is broken after update to 1.3.70/1.3.71KT-42915Kapt generates invalid stubs for static methods in interfaces in Kotlin 1.4.20-M2Checksums
v1.4.10: Kotlin 1.4.10Contents
The release contents the JVM version of the Kotlin compiler, and also the Kotlin/Native compiler for the supported platforms: Linux, macOS and Windows.
Changelog
Compiler
Performance Improvements
KT-41149NI: Upgraded project from 1.3.72 to 1.4.0 hangs during buildKT-41335Kotlin Out of Memory When evaluating expressionKT-41400NI: Huge performance regression for kotlin compiler from 1.3.72 to 1.4.0 due to using list of dozen lambdas in a callFixes
KT-41005Coercion to Unit doesn't take into account nullability of a return type for lambdaKT-41043NI: StackOverflowError throughPostponedArgumentInputTypesResolver.getAllDeeplyRelatedTypeVariablesKT-41135Type Inference Regression For Property Delegate With Receiver TypeKT-41140Unresolved reference to parameter of a catch block from lambda expression on 1.4.0KT-41150IllegalStateException: Couldn't obtain compiled function body for public final inline funKT-41164NI: "IllegalStateException: Error type encountered" with callbackFlow builder inside conditionKT-41202Type inference fails in 1.4.0KT-41218HMPP: arrayList declarations are visible both from stdlib-common and stdlib-jvm and lead to false-positive resolution ambiguity in IDEKT-413081.4.0 Type inference regression in suspend blocks with elvis operator expressionsKT-41357ClassCastException for unstable smart cast on a property call receiverKT-41386NI: Type mismatch with generic type parametersKT-41426Operator compareTo is not called with nullable typeKT-41430Broken choosing overload by lambda return type inside builder inferenceKT-41470Wrong nullability assertion is generated when using the BuilderInference annotationKT-41482Add a fallback compiler flag to disable the unified null checks behaviorIDE
KT-41325SOE in IDEKotlinAsJavaSupportKT-41390Typo: equals & hashCode are written with the first uppercase letterIDE. Code Style, Formatting
KT-41314Formatter: Frequent freezes when reformatting code (TrailingCommaPostFormatProcessor)IDE. Debugger
KT-40417Coroutines Debugger: “No coroutine information found” in case of main() entry-point without explicit debug-artifactIDE. Gradle. Script
KT-39542EA-218043: java.util.NoSuchElementException: No element of given type found (GradleBuildRootsManager)KT-41283Gradle scripts unable to support 1.4 language level features yetIDE. Inspections and Intentions
KT-41264Disable “Redundant inner modifier” in 1.4.10KT-41395Inspection description misses a space (needs to be lowercase)IDE. REPL
KT-40898REPL: "IllegalAccessError: tried to access field" caused by log4jIDE. Wizards
KT-38921New project wizard: Backend/Console applications template with Groovy DSL generates build.gradle with KotlinCompile instead of compileKotlinJavaScript
KT-38059Support arrays passed as named arguments to varargsKT-40964KJS / IR: don't generate "import" (short names) for external interfacesKT-41081KJS IR: nativeGetter, nativeSetter, nativeInvoke are not supportedLibraries
KT-41320Actual kotlin.test annotation typealiases are inaccessible in modular environmentMiddle-end. IR
KT-41324IR: "Compilation failed: null" caused by StackOverflowError in compiler in multi-module projectNative. C and ObjC Import
KT-39762cinterop on 1.4-M2 doesn't include @Deprecated Kotlin declaration for C declaration it fails to importNative. ObjC Export
KT-39206New line characters in @Deprecated annotation cause syntax error in Kotlin/native exported headerKT-40976"Unrecognized selector sent to instance" exception invoking suspending lambda from Swift in Native iOS projectReflection
KT-40842"AssertionError: Built-in class kotlin.Any is not found" on java modular runTools. Compiler Plugins
KT-41321Upgrading to 1.4.0 fails compiling native with is not bound errorTools. Gradle. Multiplatform
KT-41083Transitive dependency on an MPP with host-specific source sets fails to resolve: "Couldn't resolve metadata artifact..."Tools. Gradle. Native
KT-40834Cannot build Kotlin Multiplatform project on Windows 10 64-bit when the Cocoapods plugin is appliedTools. Scripts
KT-35925REPL: Springboot autoconfiguration problem (META-INF/spring.factories not found ?)Tools. kapt
KT-41313kapt 1.4.0 throws "ZipException: zip END header not found", when Graal SVM jar in classpathChecksums
v1.4.0: Kotlin 1.4.0Contents
The release contents the JVM version of the Kotlin compiler, and also the Kotlin/Native compiler for the supported platforms: Linux, macOS and Windows.
Changelog
1.4.0
Compiler
New Features
KT-23729Provide a way to generate JVM default method bodies in interfaces delegating to DefaultImplsKT-30330Introduce KotlinNothingValueException and throw it instead of NPE on expressions of type NothingKT-38435Support suspend conversion on callable references in JVM backendFixes
KT-35483NI: compatibility modeKT-39728Declarations fromkotlin.reflectresolved to expect-classes even in JVM modules in IDEKT-40153REPL IDE services completion fails on imports completionKT-40404Mixed named/positional arguments: argument can be passed twiceKT-40544NI: "TYPE_MISMATCH: Required: MutableList<out T!> Found: List" caused by Java interface functionKT-40555NI: Spread operator allows inferred nullable typesKT-40646NI: TYPE_MISMATCH: "inferred type is Unit but Observer was expected" caused by LieData.observe inferenceKT-40691False positive CAPTURED_VAL_INITIALIZATION with EXACTLY_ONCE contractKT-40693UnsupportedOperationException: no descriptor for type constructor of (CapturedType(out TResult)..CapturedType(out TResult)?)KT-40824Usages of a typealias lose nullability and annotations in deserializationKT-40843Unhandled exception for suspending methods that return Result typeKT-40869Recursion computation inside compiler resolve on a correct codeKT-40893Error "Captured values initialization is forbidden due to possible reassignment" when attempting to use the plusAssign operator with a java list inside an inline functionKT-40919kotlin.collections.ArrayDeque requires an explicit import when compiling with kotlinc 1.4-RC and -language-version 1.3KT-40920Regression in JvmDefault: incorrect access to missing DefaultImpls on default methods in Java interface overriding Kotlin interfaceKT-40978Prohibit using suspend functions as SAM in fun interfacesKotlin/Native
KT-36766)Docs & Examples
KT-35218Fix misleading in JavaDoc forcreateTempDir/createTempFileKT-36981Provide a visual illustration of source sets structure generated byios(),watchos(),tvos()presetsKT-38050Language Guide: MPP reference: add sample of language settings for all roots instead of common root onlyIDE
KT-30265IDE, MPP: False negative TYPE_PARAMETER_AS_REIFIED in common codeKT-40494UAST: "NoSuchElementException: No element of given type found" with use-site target annotationKT-40639Shift IDE plugins updater numbers for Kotlin pluginIDE. Code Style, Formatting
KT-40636Hard freeze on formatter: infinite recursionIDE. Gradle Integration
KT-30116IDE: Unresolved reference in MPP module (androidMain source set) for annotation from common module (defined in commonMain and with JVM target)IDE. Gradle. Script
KT-34552Deadlock in ScriptDefinitionsManagerKT-40675Gradle build file is not highlighted until navigating to symbolIDE. JS
KT-40461Create new projects with kotlin.js.generate.executable.default=falseIDE. Script
KT-39547Kotlin script support freezes IDEAKT-40242gradle.kts: Deadlock in ScriptClassRootsUpdaterIDE. Wizards
KT-36153New Project Wizard: provide more referential info on project structure editor screenKT-39904New Project wizard 1.4: update Frontend Application to make it run with JS IRKT-40149Gradle project wizard: templates for Kotlin/JS are not properly formattedJavaScript
KT-25859JS: support function references to functions with vararg if expected type ends with repeated vararg element typeKT-40083K/JS-IR: java.lang.IllegalStateException: has not acquired a symbol yetKT-40892KJS, IR: Unresolved references on importing classes from kotlinx-nodejsLibraries
KT-39051Libraries native artifacts are published without sourcesTools. Gradle
KT-27816Provide a possibility to specify intermediate source sets between platform-agnostic and platform-specific test source setsKT-37720Replace ArtifactTransform with TransformActionKT-40559Adding the stdlib by default triggers warning in the Android Gradle PluginTools. Gradle. JS
KT-40093Incorrect updating version of Kotlin/JS dependencies in package.jsonTools. Gradle. Multiplatform
KT-27320Provide a way to reuse same sources for similar Native targetKT-40058NPE from mpp gradle plugin on kotlinx.benchmarksTools. Gradle. Native
KT-40801Gradle CocoaPods integration: Cannot change a framework name1.4-RC
Backend. Native
KT-40209java.lang.UnsupportedOperationException: org.jetbrains.kotlin.ir.declarations.impl.IrValueParameterImpl@7648417KT-40367Kotlin/Native-Swift interop (iOS): Array member initialization failing in release buildsCompiler
Fixes
KT-31025Type mismatch when callable reference is resolved with a functional expected type and SAM conversionKT-37388Consider relaxing rules about inferring Nothing inside special constructions (if, try, when)KT-37717NI: "IllegalStateException: Error type encountered" with @BuilderInferenceKT-38427New inference in branched conditions (if, when) results in odd behavior with inconsistent compiler warnings and runtime errorsKT-38899NI: False positive IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION leads to NPEKT-39468NI: overload resolution ambiguity between functions passingTandFoo<T>with a contravariant receiverKT-39618NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER: unable to infer generic type on @BuilderInference annotated lambda parameter with receiver typeKT-39633NI: Incorrect type parameter instantiation based on contravariant type argumentKT-39691NI: Missing SAM conversion for nullable lambdaKT-39860Make Kotlin binaries publicly available (set KotlinCompilerVersion.IS_PRE_RELEASE = false)KT-39900NI: Incorrect type inference in a lambda returning UnitKT-39925New JVM default compilation mode doesn't check that JVM target is 1.8KT-39943Write information about all-compatibility mode in metadataKT-39953NI: ClassCastException "cannot be cast to java.lang.Void" with if-else in return statement in ANdroid projectKT-40045NI: lambda’s receiver type isn't inferred properlyKT-40057NI: provideDelegate org.jetbrains.kotlin.codegen.CompilationException: Back-end (JVM) Internal error: wrong bytecode generated for static initializerKT-40060NI: postponed variable from the builder inference flows to back-end and leads to throw an exceptionKT-40112Kotlin Gradle DSL: COMPATIBILITY_WARNING onkotlin.sourceSetsblockKT-40113Kotlin Gradle DSL: "Expression 'main' cannot be invoked as a function" fordistributions.mainDSL blockKT-40128Introduce compiler key to disable compatibility resolution mechanism for new inference featuresKT-40151NI: postponed variable isn't substituted for top-level CR inside builder inferenceKT-40214AbstractMethodError in gradle subplugin which is used in Android appKT-40234Deprecation level "hidden" has no effect on callable reference argumentKT-40247NI: false positive "function should be called from coroutine or another suspend function" for suspend invoke operator in try-catchKT-40254Rewrite at slice with two callable reference argumentsKT-40269NI: "disabled Unit conversions" error has appeared on green codeKT-40337NI: false positive "function should be called from coroutine or another suspend function" for suspend invoke operator inwhenblockKT-40406Prohibit reflection on adapted callable referencesIDE
KT-39968Paths in KotlinJavaRuntime library aren't updated after you run IDE from a different directoryKT-39989NullPointerException when opening Kotlin facets in Project Structure dialog in IDEA 192KT-40311Create change_notes for 1.4 in IDE plugin descriptionIDE. Debugger
KT-39808(CoroutineDebugger) Doesn't start with kotlinx-coroutines-core >= 1.3.6KT-40073(CoroutineDebugger) Change minimum supported kotlinx.coroutines version to 1.3.8*KT-40172Restored frame variables isn't shown for suspended coroutinesKT-40635Coroutines Debugger: make IDE plugin accept coroutines 1.3.8-rc* versions as wellIDE. Gradle Integration
KT-38744No dependency between Androidtestand commonTest source sets with kotlin.mpp.enableGranularSourceSetsMetadata=trueKT-39037'None of the consumable configurations have attributes' in MPP IDE import with transitive project dependency on selfIDE. Gradle. Script
KT-31137IntelliJ would get very slow when editing gradle buildSrc(using the kotlin dsl)KT-36078Gradle Kotlin script context is not reloaded when gradle/wrapper/gradle-wrapper.properties file is changedKT-39317ISE “Calling invokeAndWait from read-action leads to possible deadlock.” on importing simple Gradle-based project in nightly IJIDE. Inspections and Intentions
KT-28662Inspection to flag usage of the wrong Transient annotation on Kotlin Serializable classKT-34209Switch default behaviour in 1.4 for insertion (to build script) via quick fix of the compiler option enabling inline classesKT-36131Suggest to add a missing module dependency on an unresolved reference in Kotlin codeKT-37462Add "Add dependency to module" quickfix in multimodule Maven projectKT-39869Add whole project migration usages of kotlin.browser.* & kotlin.dom.* to kotlinx.browser.* & kotlinx.dom.* respectivelyIDE. Wizards
KT-40004New Project wizard 1.4+: nohttps://dl.bintray.com/kotlin/kotlinxrepository is added for kotlinx-htmlKT-40037New Project wizard: update Ktor versionKT-40092Wizard: the templates panel on mac OS is too wideKT-40232New Wizard: Android Sdk path doesn't have backslash escaping on WindowsKT-40371New Project Wizard: Frontend Application / Library results in broken run configurationKT-40377New Project Wizard: Frontend Application defines NPM dependencies that are unnecessary with Kotlin 1.4-RC+KT-40378New Project Wizard: Frontend Application, Disabling JavaScript test framework has no effectKT-40407Wizard: do not add stdlib by default for Gradle projects in wizardJS. Tools
KT-39984Update dukat version in toolchain near to release of 1.4-RCJavaScript
KT-32186Make sure K/JS Reflection API documentation is correct and fix it.KT-37563K/JS: stacktrace is not captured for exceptions without primary constructor inherited from Exception/ErrorKT-37752Generated typescript incorrect for constructors of derived classesKT-37883KJS: Generated TypeScript uses 'declare' rather than 'export'KT-38771JS: support non-reified type parameters in typeOfKT-39873Update Kotlin JavaScript wrappers due to NON_EXPORTABLE_TYPE diagnostic introductionKT-40126[JS / IR] NPE while compiling interfaces with invoke which is passed as a delegateKT-40216KJS / IR: AssertionError caused by an anonymous object in the dependency projectLibraries
KT-33069StringBuilder common functionsKT-35972Add contract to builder functionsKT-37101Mark following api with DeprecatedSinceKotlin("1.4")KT-38360Make sure that JB libraries correctly define their npm deps and republish them (after KT-30619)KT-38817'capitalize' should convert digraphs to title caseKT-40168Remove StringBuilder.capacity from common and JS partsMiddle-end. IR
KT-40520Assert during fake-override generationTools. Commonizer
KT-40199Commonizer loses nullability of abbreviated typesTools. Compiler Plugins
KT-40036Add diagnostic that shows is serialization plugin compatible with serialization-runtimeTools. Gradle
KT-39755[KJS / Gradle / Legacy mode] Directory with whitespace is not processedKT-39809Kotlin Gradle plugin: ServiceConfigurationError: org.jetbrains.kotlin.gradle.plugin.KotlinGradleSubplugin: Provider org.jetbrains.kotlin.gradle.internal.AndroidSubplugin not a subtypeKT-39977Collect statistics of used -Xjvm-default optionsKT-40300Fail the build if in MPP plugin no targets configuredTools. Gradle. JS
KT-38170Investigate how to improve migration experience from pre 1.4.0 DSL to the new oneKT-39654Default CSS settings in webpack has priority over user's settingsKT-39842Kotlin/JS Gradle DSL: peerNpm dependency failsKT-40048[Gradle, JS] Deprecate kotlin-frontend pluginKT-40067[Gradle, JS] Public package.json for mixed JS/TS projectKT-40210Fail the build when Kotlin/JS target is not (properly) configuredKT-40320Gradle JS: make migration to the new Gradle DSL smootherTools. Gradle. Multiplatform
KT-32239Custom configurations inside Kotlin JVM Gradle projects can't properly resolve multiplatform dependenciesKT-39897[Commonizer] Fast-pass for library fragments absent for some targetsTools. J2K
KT-39739J2K: Access is allowed from event dispatch thread with IW lock onlyTools. kapt
KT-34604KAPT: Flaky NPE throughorg.jetbrains.kotlin.kapt3.base.ProcessorLoader.doLoadProcessorsKT-36302TypeTreeVisitor.visitMemberSelect IllegalStateException: node.sym must not be null on JDK 11KT-39876KAPT: Serialization of classpath structure is incorrect if there are dependencies between types in jar/dir1.4-M3
Compiler
New Features
KT-23575Deprecate with replacement and SinceKotlinKT-38652Do not generate optional annotations to class files on JVMKT-38777Hide Throwable.addSuppressed member and prefer extension insteadPerformance Improvements
KT-38489Compilation of kotlin html DSL increasingly slowKT-28650Type inference for argument type is very slow if several interfaces with a type parameter is used as an upper bound of a type parameterFixes
KT-15971Incorrect bytecode generated when inheriting default arguments not from the first supertypeKT-25290NI: "AssertionError: If original type is SAM type, then candidate should have same type constructor" on out projection of Java classKT-28672Contracts on calls with implicit receiversKT-30279Support non-reified type parameters in typeOfKT-31908NI: CCE on passing lambda to function which accepts vararg SAM interfaceKT-32156New inference issue with genericsKT-32229New inference algorithm not taking into account the upper bound classKT-33455Override equals/hashCode in functional interface wrappersKT-34902AnalyzerException: Argument 1: expected I, but found R for unsigned types in generic data classKT-35075AssertionError: "No resolved call for ..." with conditional function referencesKT-35468Overcome ambiguity between typealias kotlin.Throws and the aliased type kotlin.jvm.ThrowsKT-35494NI: Multiple duplicate error diagnostics (in IDE popup) with NULL_FOR_NONNULL_TYPEKT-35681Wrong common supertype between raw and integer literal type leads to unsound codeKT-35937Error "Declaration has several compatible actuals" on incremental buildKT-36013Functional interface conversion not happens on a value of functional type with smart cast to a relevant functional typeKT-36045Do not depend on the order of lambda arguments to coerce result toUnitKT-36448NI: fix tests after enabling NI in the compilerKT-36706Prohibit functional interface constructor referencesKT-36969Generate @NotNull on instance parameters of Interface$DefaultImpls methodsKT-37058Incorrect overload resolution ambiguity on callable reference in a conditional expression with new inferenceKT-37120[FIR] False UNRESOLVED_REFERENCE for public and protected member functions and properties which are declared in object inner classKT-37149Conversion when generic specified by type argument of SAM typeKT-37249false TYPE_MISMATCH when When-expression branches have try-catch blocksKT-37341NI: Type mismatch with combination of lambda and function referenceKT-37436AME: "Receiver class does not define or inherit an implementation of the resolved method" in runtime on usage of non-abstract method of fun interfaceKT-37510NI infersjava.lang.Voidfrom the expression in a lazy property delegate and throws ClassCastException at runtimeKT-37541SAM conversion with fun interface without a function fails on compiling and IDE analysis in SamAdapterFunctionsScope.getSamConstructor()KT-37574NI: Type mismatch with Kotlin object extending functional type passed as @FunctionalInterface to JavaKT-37630NI: ILT suitability in a call is broken if there are CST calculation and calling function's type parametersKT-37665NI: applicability error due to implicitly inferred Nothing for returning T with expected typeKT-37712No extension receiver in functional interface created with lambdaKT-37715NI: VerifyError: Bad type on operand stack with varargs generic value when type is inferredKT-37721NI: Function reference with vararg parameter treated as array and missing default parameter is rejectedKT-37887NI: Smart casting for Map doesn't work if the variable is already "smart casted"KT-37914NI: broken inference for a casting to subtype function within the common constraint system with this subtypeKT-37952NI: improve lambdas completion through separation the lambdas analysis into several stepsKT-38069Callable reference adaptation should have dependency on API version 1.4KT-38143New type inference fails when calling extension function defined on generic type with type arguments nested too deepKT-38156FIR Metadata generationKT-38197java.lang.OutOfMemoryError: Java heap space: failed reallocation of scalar replaced objectsKT-38259NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER for provideDelegateKT-38337Map delegation fails for inline classesKT-38401FIR: protected effective visibility is handled unpreciselyKT-38416FIR: infinite loop in BB coroutine test 'overrideDefaultArgument.kt'KT-38432FIR: incorrect effective visibility in anonymous objectKT-38434Implement resolution of suspend-conversion on FE only, but give error if suspend conversion is calledKT-38437[FIR] String(CharArray) is resolved to java.lang.String constructor instead of kotlin.text.String pseudo-constructorKT-38439NI: anonymous functions without receiver is allowed if there is an expected type with receiverKT-38473FIR: ConeIntegerLiteralType in signatureKT-38537IllegalArgumentException: "marginPrefix must be non-blank string" with raw strings and space as margin prefix in trimMargin() callKT-38604Implicit suspend conversion on call arguments doesn't work on vararg elementsKT-38680NSME when calling generic interface method with default parameters overriden with inline class type argumentKT-38681Wrong bytecode generated when calling generic interface method with default parameters overriden with primitive type argumentKT-38691NI: overload resolution ambiguity if takeRand() -> R, and pass literal lambda, which returnsRKT-38799False positive USELESS_CAST for lambda parameterKT-38802Generated code crashes by ClassCastException when delegating with inline classKT-38853Backend Internal error: Error type encountered: Unresolved type for nested class used in an annotation argument on an interface methodKT-38890NI: false negative Type mismatch for values with fun keywordKT-39010NI: Regression with false-positive smartcast on var of generic typeKT-39013202, ASM 8: "AnalyzerException: Execution can fall off the end of the code"KT-39260"AssertionError: Unsigned type expected: Int" in rangeKT-39305NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER: unable to infer deeply nested type bound when class implements generic interfaceKT-39408Using unsigned arrays as generics fails in 1.4-M2 with class cast exceptionKT-39533NI: Wrong overload resolution for methods with SAM converted function reference argumentsKT-39535NI: Inference fails for the parameters of SAM converted lambdas with type parametersKT-39603Require explicit override in JVM default compatibility mode on implicit generic specialization of inherited methods in classesKT-39671Couldn't inline method call 'expectBody'KT-39816NI:ClassCastException and no IDE error with provideDelegate when DELEGATE_SPECIAL_FUNCTION_MISSING in OIKT-32779Rewrite at slicein array access resolution in coroutine inferenceKT-39387Can't build Kotlin project due to overload resolution ambiguity on flatMap callsKT-39229NI: resolution to wrong candidate (SAM-type against similar functional type)Docs & Examples
KT-36245Document that @kotlin.native.ThreadLocal annotation doesn't work anywhere except in Kotlin/NativeKT-37943Conflicting overloads in the factory functions sample code in Coding Conventions PageIDE
New Features
KT-10974Add Code Style: Import Layout Configuration TableKT-39065"Join lines" should remove trailing comma on call siteFixes
KT-9065Wrong result when move statement through if block with call with lambdaKT-14757Move statement up breaks code in function parameter listKT-14946Move statement up/down (with Ctrl+Shift+Up/Down) messes with empty linesKT-15143Kotlin: Colors&Fonts -> "Enum entry" should use Language Default -> Classes - Static fieldKT-17887Moving statement (Ctrl/Cmd+Shift+Down) messes with use blockKT-34187UAST cannot get type of array accessKT-34524"PSI and index do not match" and IDE freeze with library import fromsquare/workflowKT-35574UAST: UBreakExpression in when expression should be UYieldExpressionKT-36801IDE: Unsupported language version value is represented with "latest stable" in GUIKT-37378Remove IDE option "Enable new type inference algorithm..." in 1.4KT-38003"Analyze Data Flow from Here" should work on parameter of abstract methodKT-38173Reified types do no have extends informationKT-38217Make Kotlin plugin settings searchableKT-38247"IncorrectOperationException: Incorrect expression" through UltraLightUtils.kt: inlined string is not escaped before parsingKT-38293Throwable: "'codestyle.name.kotlin' is not found in java.util.PropertyResourceBundle" at KotlinLanguageCodeStyleSettingsProvider.getConfigurableDisplayName()KT-38407Drop components from plugin.xmlKT-38443No error on change in property initializerKT-38521ISE: Loop in parent structure when converting a DOT_QUALIFIED_EXPRESSION with parent ANNOTATED_EXPRESSIONKT-38571Rework deprecated EPsKT-38632Change the code style to official in testsIDE. Code Style, Formatting
Fixes
KT-24750Formatter: Minimum blank lines after class header does nothingKT-31169IDEA settings search fails to find "Tabs and Indents" tab in Kotlin code style settingsKT-35359Incorrect indent for multiline expression in string templateKT-37420Add setting to disable inserting empty line between declaration and declaration with commentKT-37891Formatter inserts empty lines between annotated propertiesKT-38036Use trailing comma setting does not apply to code example in Settings dialogKT-38568False positive: weak warning "Missing line break" on -> in when expressionKT-39024Add option for blank lines before declaration with comment or annotation on separate lineKT-39079Trailing comma: add base support for call siteKT-39123OptionAlign 'when' branches in columnsdoes nothingKT-39180Move trailing comma settings in Other tabIDE. Completion
KT-18538Completion of static members of grand-super java class inserts unnecessary qualifierKT-38445Fully qualified class name is used instead after insertion ofdelaymethodIDE. Debugger
Fixes
KT-14057Debugger couldn't step into Reader.readKT-14828Bad step into/over behavior for functions with default parametersKT-36403Method breakpoints don't work for librariesKT-36404Evaluate: "AssertionError: Argument expression is not saved for a SAM constructor"KT-37486Kotlin plugin keeps reference to stream debugger support classes after stream debugger plugin is disabledKT-38484Coroutines Debugger: IAE “Requested element count -1 is less than zero.” is thrown by calling dumpCoroutinesKT-38606Coroutine Debugger: OCE from org.jetbrains.kotlin.idea.debugger.coroutine.proxy.mirror.BaseMirror.isCompatibleKT-39143NPE on setCurrentStackFrame to Kotlin inner compiled class contentKT-39412Failed to find Premain-Class manifest attribute when debugging main method with ktorKT-39634(CoroutineDebugger) Agent doesn't start if using kotlinx-coroutines-core only dependencyKT-39648Coroutines debugger doesn't see stacktraces in case of the project has kotlinx-coroutines-debug dependencyIDE. Gradle Integration
Performance Improvements
KT-39059Poor performance ofmodifyDependenciesOnMppModulesFixes
KT-35921Gradle Import fails with "Unsupported major.minor version 52.0" on pure Java project in case "Gradle JDK" is lower 1.8 and Kotlin plugin is enabledKT-36673Gradle Project importing: move ModelBuilders and ModelProviders to kotlin-gradle-tooling jarKT-36792IDEA 2020.1: Some module->module dependencies in HMPP project are missed after import from GradleKT-37125Imported modules structure for MPP project is displayed messy in UI in IDEA 2020.1KT-37428NPE at KotlinFacetSettings.setLanguageLevel() on the first project importKT-38706IDE Gradle import creates 4 JavaScript modules for MPP source sets with BOTH compiler typeKT-38767Published hierarchical multiplatform library symbols are unresolved in IDE (master)KT-38842False positive [INVISIBLE_MEMBER] forinternaldeclaration of commonMain called from commonTestKT-39213IDE: references from MPP project to JavaScript library are unresolved, when project and library are compiled with "both" modeKT-39657Language settings for intermediate source-sets are lost during importIDE. Gradle. Script
New Features
KT-34481*.gradle.kts: use Intellij IDEA Gradle project sync mechanics for updating script configurationPerformance Improvements
KT-34138Deadlock inScriptTemplatesFromDependenciesProviderKT-38875Deadlock in ScriptClassRootsUpdater.checkInvalidSdksFixes
KT-34265Bogus "build configuration failed, run 'gradle tasks' for more information" message and other issues related to "script dependencies"KT-34444*.gradle.kts: special storage of all scripts configuration on one fileKT-35153build.gradle.kts: scripts in removed subproject remain imported, but shouldn'tKT-35573Request for gradle build script configuration only after explicit click on notificationKT-36675move .gradle.kts ModelBuilders and ModelProviders to kotlin-gradle-tooling jarKT-37178build.gradle.kts: Rework the notification for scripts out of projectKT-37631Unnecessary loading dependencies after opening build.gradle.kts after project import with Gradle 6KT-37863Scanning dependencies for script definitions takes too long or indefinitely during Gradle importKT-38296MISSING_DEPENDENCY_SUPERCLASS in the build.gradle.kts editor while Gradle runs OkKT-38541"Invalid file" exception in ScriptChangeListener.getAnalyzableKtFileForScript()KT-39104“Gradle Kotlin DSL script configuration is missing” after importing project in IJ201, Gradle 6.3KT-39469Gradle version is not updated in script dependencies if the version of gradle was changed in gradle-wrapper.propertiesKT-39771Freeze 30s from org.jetbrains.kotlin.scripting.resolve.ApiChangeDependencyResolverWrapper.resolve on loading script configuration with Gradle 5.6.4IDE. Inspections and Intentions
New Features
KT-14884Intention to add missing "class" keyword for enum and annotation top-level declarationsKT-17209Provide intention to fix platform declaration clash (CONFLICTING_JVM_DECLARATIONS)KT-24522Suggest to move typealias outside the classKT-30263Detect redundant conversions of unsigned typesKT-35893Support Inspection for unnecessary asSequence() callKT-38559"Change JVM name" (@JvmName) quickfix: improve name suggester for generic functionsKT-38597Expand Boolean intentionKT-38982Add "Logger initialized with foreign class" inspectionKT-39131TrailingCommaInspection: should suggest fixes for call-site without warningsFixes
KT-5271Missing QuickFix for Multiple supertypes availableKT-11865"Create secondary constructor" quick fix always inserts parameter-less call tothis()KT-14021Quickfix to add parameter to function gives strange name to parameterKT-17121"Implement members" quick fix is not suggestedKT-17368Don't highlight members annotated with @JsName as unusedKT-20795"replace explicit parameter with it" creates invalid code in case of overload ambiguitiesKT-22014Intention "convert lambda to reference" should be available for implicit 'this'KT-22015Intention "Convert lambda to reference" should be available in spite of the lambda in or out of parenthesesKT-22142Intentions: "Convert to primary constructor" changes semantics for property with custom setterKT-22878Empty argument list at the call site of custom function named "suspend" shouldn't be reported as unnecessaryKT-24281Importing of invoke() from the same file is reported as unused even if it isn'tKT-25050False-positive inspection "Call replaceable with binary operator" for 'equals'KT-26361@Deprecated "ReplaceWith" quickfix inserts 'this' incorrectly when using function importsKT-27651'Condition is always true' inspection should not be triggered when the condition has references to a named constantKT-29934False negativeChange typequickfix on primary constructor override val parameter when it has wrong typeKT-31682'Convert lambda to reference' intention inside class with function which return object produces uncompilable codeKT-31760Implement Abstract Function/Property intentions position generated member improperlyKT-32511Create class quick fix is not suggested in super type list in case of missing primary constructorKT-32565False positive "Variable is the same as 'credentials' and should be inlined" with object declared and returned from lambdaKT-32801False positive "Call on collection type may be reduced" with mapNotNull, generic lambda block and new inferenceKT-33951ReplaceWith quickfix with unqualified object member call doesn't substitute argument for parameterKT-34378"Convert lambda to reference" refactoring does not work for suspend functionsKT-34677False positive "Collection count can be converted to size" withIterableKT-34696Wrong 'Redundant qualifier name' for 'MyEnum.values' usageKT-34713"Condition is always 'false'": quickfix "Delete expression" doesn't removeelsekeyword (may break control flow)KT-35015ReplaceWith doesn't substitute parameters with argument expressionsKT-35329Replace 'when' with 'if' intention: do not suggest if 'when' is used as expression and it has no 'else' branchKT-36194"Add braces to 'for' statement" inserts extra line break and moves the following single-line commentKT-36406"To ordinary string literal" intention adds unnecessary escapes to characters in template expressionKT-36461"Create enum constant" quick fix adds after semicolon, if the last entry has a commaKT-36462"Create enum constant" quick fix doesn't add trailing commaKT-36508False positive "Replace 'to' with infix form" when 'to' lambda generic type argument is specified explicitlyKT-36930Intention "Specify type explicitly" adds NotNull annotation when calling java method with the annotationKT-37148"Remove redundant.letcall doesn't remove extra callsKT-37156"Unused unary operator" inspection highlighting is hard to seeKT-37173"Replace with string templates" intention for String.format produces uncompilable string templateKT-37181Don't show "Remove redundant qualifier name" inspection on qualified Companion imported with star importKT-37214"Convert lambda to reference" with a labeled "this" receiver failsKT-37256False positivePlatformExtensionReceiverOfInlineinspection if a platform type value is passed to a nullable receiverKT-37744"Convert lambda to reference" inspection quick fix create incompilable code when type is inferred from lambda parameterKT-37746"Redundant suspend modifier" should not be reported for functions with actual keywordKT-37842"Convert to anonymous function" creates broken code with suspend functionsKT-37908"Convert to anonymous object" quickfix: false negative when interface has concrete functionsKT-37967Replace 'invoke' with direct call intention adds unnecessary parenthesisKT-37977"Replace 'invoke' with direct call" intention: false positive when function is not operatorKT-38062Reactor Quickfix throwsNotImplementedErrorfor KotlinKT-38240False positive redundant semicolon withascast andnotunary operator on next lineKT-38261Redundant 'let' call removal leaves ?. operator and makes code uncompilableKT-38310Remove explicit type annotation intention drops 'suspend'KT-38492False positive "Add import" intention for already imported classKT-38520SetterBackingFieldAssignmentInspection throws exceptionKT-38649False positive quickfix "Assignment should be lifted out of when" in presence of smartcastsKT-38677Invalid psi tree afterLift assigment out of...KT-38790"Convert sealed subclass to object" for data classes doesn't remove 'data' keywordKT-38829'Remove redundant backticks' can be broken with @ in nameKT-38831'Replace with assignment' can be broken with fast code changeKT-38832"Remove curly braces" intention may produce CCEKT-38948False positive quickfix "Make containing function suspend" for anonymous functionKT-38961"Useless call on collection type" for filterNotNull on non-null array where list return type is expectedKT-39069Improve TrailingCommaInspectionKT-39151False positive inspection to replace Java forEach with Kotlin forEach when using ConcurrentHashMapIDE. JS
KT-39275Kotlin JS Browser template for kotlin dsl doesn't include index.htmlIDE. KDoc
KT-32163Open Quick Documentation when cursor inside function / constructor bracketsIDE. Navigation
KT-32245Method in Kotlin class is not listed among implementing methodsKT-33510There is no gutter icon to navigate fromactualtoexpectifexpectand the correspondingactualdeclarations are in the same fileKT-38260Navigation bar doesn't show directories of files with a single top level Kotlin classKT-38466Top level functions/properties aren't shown in navigation panelIDE. Project View
KT-36444Structure view: add ability to sort by visibilityKT-38276Structure view: support visibility filter for class propertiesIDE. REPL
KT-38454Kotlin REPL in IntelliJ doesn't take module's JVM target setting into accountIDE. Refactorings
KT-12878"Change signature" forces line breaks after every parameter declarationKT-30128Change Signature should move lambda outside of parentheses if the arguments are reordered so that the lambda goes lastKT-35338Move/rename refactorings mess up code formatting by wrapping linesKT-38449Extract variable refactoring is broken by NPEKT-38543Copy can't work to package with escaped packageKT-38627Rename package refactorings mess up code formatting by wrapping linesIDE. Run Configurations
KT-34516Don't suggest incompatible targets in a drop-down list for run test gutter icon in multiplatform projectsKT-38102DeprecatedMethodException ConfigurationFactory.getIdIDE. Scratch
KT-38455Kotlin scratch files don't take module's JVM target setting into accountIDE. Script
KT-39791Kotlin plugin loads VFS in the output directoriesIDE. Structural Search
KT-39721Optimize Kotlin SSR by using the indexKT-39733Augmented assignment matchingKT-39769"When expressions" predefined template doesn't match all when expressionsIDE. Wizards
KT-38673New Project Wizard: multiplatform templates are generated having unsupported Gradle version in a wrapperKT-38810Incorrect order of build phases in Xcode project from new wizardKT-38952Remove old new_project_wizardsKT-39503New Project wizard 1.4+: release kotlinx.html version is added to dependencies with milestone IDE pluginKT-39700Wizard: group project templates on the first step by the project typeKT-39770CSS Support in Kotlin wizardsKT-39826Fix Android app in New Template WizardKT-39843Change imports in JS/browser wizardJS. Tools
KT-32273Kotlin/JS console error on hot reloadKT-39498Update dukat version in toolchain near to release of 1.4-M3JavaScript
KT-29916ImplementtypeOfon JSKT-35857Kotlin/JS CLI bundled to IDEA plugin can't compile using IR back-end out of the boxKT-36798KJS: prohibit using @JsExport on a non-top-level declarationKT-37771KJS: Generated TypeScript does not recursively export base classes (can fail with generics)KT-38113Review public API of JS stdlib for IR BEKT-38765[JS / IR] AssertionError: class EventEmitter: Super class should be any: with nested class extending parent classKT-38768KJS IR: generate ES2015 (aka ES6) classesLibraries
New Features
KT-11253Function to sum long or other numeric property of items in a collectionKT-28933capitalize() with Locale argument in the JDK stdlibKT-34142Create SortedMap with Comparator and itemsKT-34506Add Sequence.flatMap overload that works on IterableKT-36894Support flatMapIndexed in the Collections APIKT-38480Introduce experimental annotation for enabling overload resolution by lambda resultKT-38708minOf/maxOf functions to return min/max value provided by selectorKT-39707Make some interfaces in stdlib functionalPerformance Improvements
KT-23142toHashSet is suboptimal for inputs with a lot of duplicatesFixes
KT-21266Add module-info for standard library artifactsKT-23322Document 'reduce' operation behavior on empty collectionsKT-28753Comparing floating point values in array/list operations 'contains', 'indexOf', 'lastIndexOf': IEEE 754 or total orderKT-30083Annotate KTypeProjection.STAR with JvmField in a compatible wayKT-30084Annotate functions in KTypeProjection.Companion with JvmStaticKT-31343Deprecate old String <-> CharArray, ByteArray conversion apiKT-34596Add some validation to KTypeProjection constructorKT-35978Review and remove experimental stdlib API status for 1.4KT-38388DocumentfromIndexandtoIndexparametersKT-38854Gradually change the return type of collection min/max functions to non-nullableKT-39023Document split(Pattern) extension differences from Pattern.splitKT-39064Introduce minOrNull and maxOrNull extension functions on collectionsKT-39235Lift experimental annotation from bit operationsKT-39237Lift experimental annotation from common StringBuilderKT-39238Appendable.appendRange - remove nullabilityKT-39239Lift experimental annotation from String <-> utf8 conversion apiKT-39244KJS: update polyfills, all or most of them must not be enumerableKT-39330Migrate declarations from kotlin.dom and kotlin.browser packages to kotlinx.*Middle-end. IR
KT-31088need a way to compute fake overrides for pure IRKT-33207Kotlin/Native: KNPE during deserialization of an inner classKT-33267Kotlin/Native: Deserialization error for an "inner" extension property imported from a classKT-37255Make psi2ir aware of declarations provided by compiler pluginsReflection
KT-22936Not all things can be changed tocreateTypeyet, and nowdefaultTypemethods are starting to failKT-32241Move KType.javaType into stdlib from reflectKT-34344KType.javaType implementation throws when invoked with a typeOf()KT-38491IllegalArgumentException when using callBy on function with inline class parameters and default argumentsKT-38881Add KClass.isFun modifier of functional interfaces to reflectionTools. Android Extensions
KT-25807Kotlin extension annotation @Parcelize in AIDL returns Object instead of original TTools. CLI
KT-30211Support a way to pass arguments to the underlying JVM in kotlinc batch scripts on WindowsKT-30778kotlin-compiler.jar contains shaded but not relocated kotlinx.coroutinesKT-38070Compiler option to bypass prerelease metadata incompatibility errorKT-38413Add JVM target bytecode version 14Tools. Compiler Plugins
KT-39274[KJS / IR] Custom serializer for class without zero argument constructor doesn't compileTools. Gradle
KT-25428Kotlin Gradle Plugin: Use new Gradle API for Lazy tasksKT-34487Gradle build fails with "Cannot run program "java": error=7, Argument list too longKT-35957MPP IC fails with "X has several compatible actual declarations" errorKT-38250Drop support for Gradle versions older than 5.3 in the Kotlin Gradle pluginTools. Gradle. JS
New Features
KT-30619Support NPM transitive dependencies in multi-platform JS targetKT-38286[Gradle, JS] Error handling on Webpack problemsFixes
KT-31669Gradle/JS: rise error when plugin loaded more than onceKT-32531[Gradle/JS] Add scoped NPM dependenciesKT-34832[Kotlin/JS] Failed build after webpack run (Karma not found)KT-35194Kotlin/JS: browserRun fails with "address already in use" when trying to connect to local serverKT-35611Kotlin Gradle plugin should reportkotlin2jsplugin ID as deprecatedKT-35641Kotlin Gradle plugin should reportkotlin-dce-jsplugin ID as deprecatedKT-36410JS: Collect stats about IR backend usageKT-36451KJS Adding npm dependency breaks Webpack devserver reloadingKT-37258Kotlin/JS + Gradle: in continuous mode kotlinNpmInstall time to time outputs "ENOENT: no such file or directory" errorKT-38109[Gradle, JS] Error handling on Karma launcher problemsKT-38331Add an ability to control generating externals for npm deps individuallyKT-38485[Gradle, JS] Unable to configure JS compiler with stringKT-38683Remove possibility to set NPM dependency without versionKT-38990Support multiple range versions for NPM dependenciesKT-38994Remove possibility to set NPM dependency with npm(org, name, version)KT-39109ArithmeticException: "/ by zero" caused by kotlinNodeJsSetup task with enabled gradle caching on WindowsKT-39210Kotlin/JS: with both JS and MPP modules in the same project Gradle configuration fails onnodejs {}andbrowser {}KT-39377Use standard source-map-loader instead of custom oneTools. Gradle. Multiplatform
KT-39184Support publication of Kotlin-distributed libraries with Gradle MetadataKT-39304Gradle import errorjava.util.NoSuchElementException: Key source set foo is missing in the mapon unused source setTools. Gradle. Native
KT-37514CocoaPods Gradle plugin: Support building from terminal projects for several platformsKT-38440Make error message about missing Podfile path for cocoapods integration actionable for a userKT-38991Gradle MPP plugin: Enable parallel in-process execution for K/N compilerKT-39935Support overriding theKotlinNativeCompiletask sourcesKT-37512Cocoapods Gradle plugin: Improve error logging for external toolsTools. J2K
KT-35169Do not show "Inline local variable" popup during "Cleaning up code" phase of J2KKT-38004J2K breaks java getter call in java codeKT-38450J2K should convert Java SAM interfaces to Kotlin fun interfacesTools. JPS
KT-27458The Kotlin standard library is not found in the module graph ... in a non-Kotlin project.KT-29552Project is completely rebuilt after each gradle sync.Tools. Scripts
KT-37766Impossible to apply compiler plugins onto scripts with the new scripting APITools. kapt
KT-29355Provide access to default values for primary constructor properties1.4-M2
Compiler
New Features
KT-37432Do not include annotations fields into 'visibility must be explicitly specified' check in api modePerformance Improvements
KT-27362Anonymous classes representing function/property references contain rarely used methodsKT-35626NI: Performance problem with many type parametersKT-36047Compiler produces if-chain instead of switch when when subject captured as variableKT-36638Use 'java/lang/StringBuilder.append (C)Ljava/lang/StringBuilder;' when appending single character in JVM_IRKT-37389Avoid type approximation during generation constraints with EQUALITY kindKT-37392Avoid substitution and type approximation for simple callsKT-37546NI: high memory and CPU consumption due to creating useless captured types (storing in approximated types cache, unneeded computations)Fixes
KT-11265Factory pattern and overload resolution ambiguityKT-27524Inline class is boxed when used with suspend modifierKT-27586ClassCastException occurs if the Result (or any other inline class) is returned from a lambdaKT-30419Use boxed version of an inline class in return type position for covariant and generic-specialized overridesKT-31163FIR: consider replacing comparisons with compareTo calls and some additional intrinsicsKT-31585ClassCastException with derived class delegated to generic class with inline class type argumentKT-31823NI: Type mismatch with a star projection andUnsafeVarianceKT-33119Pre-increment for inline class wrapping Int compiles to direct increment instead of inc-implKT-33715Kotlin/Native: metadata compilerKT-34048IllegalAccessError when initializing val property in EXACTLY_ONCE lambdaKT-34433NI: Type mismatch with a star projection andUnsafeVarianceKT-35133FIR Java: don't set 'isOperator' for methods with non-operator namesKT-35234ClassCastException with creating an inline class from a function reference of covariant or generic-specialized overrideKT-35406Generic type implicitly inferred as Nothing with no warningKT-35587Plain namespace strings in JvmNameResolver.PREDEFINED_STRINGS are prone to namespace changes during jar relocation.KT-36044NI: premature fixation a type variable if there were nested lambdas (constraint source was the deepest lambda)KT-36057[FIR] Incorrect smartcastKT-36069NI: TYPE_MISMATCH caused by incorrect inference to NothingKT-36125Callable reference resolution ambiguity error is not displayed properly in the IDEKT-36191IDE locks loading packages and editing file containingtrykeyword inside string templateKT-36222NI: Improve error message about nullability mismatch for a generic callKT-36249NI doesn't use upper bound for T of called function during infer return type and as a result infer it toAny?if the resulting type was intersection typeKT-36345FIR: record argument mapping for use in back-endKT-36446NI: "UnsupportedOperationException no descriptor for type constructor of IntegerLiteralType[Int,Long,Byte,Short]" with BuilderInference and delegateKT-36758[FIR] Unresolved callable reference to member of local classKT-36759[FIR] Unsupported callable reference resolution for methods with default parametersKT-36762[FIR] Unresolvedarray.clone()KT-36764[FIR] Bug in inference with DefinitelyNotNull typesKT-36816NI: definitely not-null (T!!) types in invariant positions don't approximate to T inside inference processKT-36819NI: premature completion of lambdas, which are passed somewhereKT-36850Incorrect private visibility of sealed class constructorsKT-36856Throwing exception when there is inheritance in Kotlin from Java class, which contains methods with the same JVM descriptorsKT-36879Introduce FIR_IDENTICAL in diagnostic testsKT-36881FIR: completion don't runs for return expressionsKT-36887[FIR] Unresolved member in nested lambda in initializerKT-36905[FIR] Unresolved in lambda in default argument positionKT-36953AssertionError: "Unsigned type expected: null" when there is a range with an unsigned typeKT-37009FIR: Bound smart-cast lostKT-37027FIR: Wrong projection on spread + varargs on non-final typesKT-37038NI: redundant lambda's arrow breaks CST calculation for extension lambdasKT-37043NI: inference T to Any? if there was elvis between Java out-type and reifiedmaterializefor this type without out projectionKT-37066[FIR] Wrong type inference for lambdasKT-37070[FIR] Unresolved parameters of outer lambda in scope of inner lambdaKT-37087"IllegalStateException: Can't find method 'invoke()'" for mutable property reference in default value of an inline function parameterKT-37091[FIR] Wrong inferred type of when-expression if when-argument is not-null-asserted and type is not specifies explicitlyKT-37176[FIR] Incorrect resolution mode for statements of blockKT-37302Unexpected conversion:Intconstant inferred toLongin when expressionKT-37327FIR: Smartcast problemKT-37343NI: definitely not null types pre-approximation is inconsistent with OIKT-37380NI: broken some code with def not null types due to skip needed constraintsKT-37419NI: UNRESOLVED_REFERENCE_WRONG_RECEIVER is reported in case lambda with receiver is returned fromwhenexpressionKT-37434Kotlin/JS, Kotlin/Native: fun interfaces: SAM conversion to Kotlin interface is not compiled with RESOLUTION_TO_CLASSIFIERKT-37447Expression from annotation entry in value parameter inside value parameter should be marked as USED_AS_EXPRESSIONKT-37453Type arguments not checked to be empty for candidates with no declared parametersKT-37488[FIR] Incorrect exhaustiveness checking for branches with equals to object that implements sealed classKT-37497NI: 'super' is not an expression, it can not be used as a receiver for extension functionsKT-37530NI: instantiation of abstract class via callable reference argument causes run time InstantiationErrorKT-37531NI: callable reference argument with left hand side type parameter causes frontend exceptionKT-37554NI: Nothing is inferred incorrectly with elvis returnKT-37579NI: inconsistent behaviour with OI around implicit invoke convention after safe call with additional implicit receiverKT-37604"VerifyError: Call to wrong method" in 'invoke' for adapted callable reference to constructor with coercion to UnitKT-37621NI: type variable is inferred to Nothing if the second branch was Nothing and there was upper bound for a type parameterKT-37626NI: builder inference with expected type breaks class references resolution for a class with parametersKT-37627NI: wrong order of the type variable fixation (Nothing? against a call with lambda)KT-37628NI: wrong approximation of type argument to star projection during common super type calculationKT-37644NI: appeared exception during incorporation of a captured type into a type variable for elvis resolveKT-37650NI: it's impossible to infer a type variable with the participation of a wrapped covariant typeKT-37718False positive unused parameter for @JvmStatic main function in objectKT-37779ClassCastException: Named argument without spread operator for vararg parameter causes code to crash on runtimeKT-37832In MPP, subtypes of types defined in legacy libraries, like stdlib, cannot properly resolve on the consumer side receviing bothKT-37861Capturing an outer class instance in a default parameter of inner class constructor causes VerifyErrorKT-37986Return value of function reference returning inline class mapped to 'java.lang.Object' is not boxed properlyKT-37998'!!' operator on safe call of function returning inline class value causes CCE at runtimeKT-38042Allow kotlin.Result as a return type only if one enabled inline classes explicitlyKT-38134NI: Type mismatch with a star projection andUnsafeVarianceKT-38298Inconsistent choice of candidate when both expect/actual are available (affects onlyenableGranularSourceSetMetadata)KT-38661NI: "Cannot infer type variable TypeVariable" with lambda with receiverKT-38668Project with module dependency in KN, build fails with Kotlin 1.3.71 and associated libs but passes with 1.3.61.KT-38857Class versions V1_5 or less must use F_NEW frames.KT-39113"AssertionError: Uninitialized value on stack" with EXACTLY_ONCE contract in non-inline function and lambda destructuringDocs & Examples
KT-35231toMutableList documentation is vagueIDE
Performance Improvements
KT-30541EDT Freeze after new Kotlin Script creationKT-35050Significant freezes due to findSdkAcrossDependencies()KT-37301Freeze when "Optimize Imports" in KotlinImportOptimizerKT-37466Invalidate partialBodyResolveCache on OCBKT-37467PerFileAnalysisCache.fetchAnalysisResultsKT-37993Do not resolve references if paste code is located in the same originKT-38318Freezes in IDEAFixes
KT-27935Functional typealias with typealias in type parameters causes UnsupportedOperationException in TypeSignatureMappingKt (IDEA analysis)KT-31668Complete statement for class declaration: add '()' to supertypeKT-33473UAST: References to local variable are resolved to UastKotlinPsiVariableKT-34564Kotlin USimpleNameReferenceExpression for annotation parameter resolves to null for compiled Kotlin classesKT-34973Light class incorrectly claiming ambiguous method call from Java when one overload is syntheticKT-35801UAST: UnknownKotlinExpression for valid Kotlin annotated expressionKT-35804UAST: Annotations missing from catch clause parametersKT-35848UAST: ClassCastException when trying to invoke UElement for some wrapped PsiElementsKT-36156Kotlin annotation attributes have blue color whereas white in JavaKT-36275UAST: UCallExpression::resolve returns null for local function callsKT-36717Fix failing light class tests after switching plugin to language version 1.4KT-36877Message bundles for copy paste are missed in 201KT-36907IDE:-Xuse-irsetting on facet level does not affect highlightingKT-37133UAST: Annotating assignment expression sometimes leads to UnknownKotlinExpressionKT-37312"Implement members" intention put function in the primary constructor if there are unused brackets in classKT-37613Uast: no parameters in reified methodKT-37933Rare NPE in ProjectRootsUtilKt.isKotlinBinary [easy fix]KT-38081Configure kotlin in project produces IDE error "heavy operation and should not be call on AWT thread"KT-38354HMPP. IDE. Dependency leakage from leaf native to shared native moduleKT-38634IDE: Error on opening MPP project in 1.3.72 after opening it in 1.4-M2IDE. Code Style, Formatting
KT-37870"Remove trailing comma" action stops working after applying and cancelling itIDE. Completion
KT-36808Delete Flow.collect from autocompletion list or make it least prioritizedKT-36860Provide convenient completion of extension functions from objectsKT-37395Invalid callable reference completion of member extensionIDE. Debugger
KT-34906Implement Coroutine DebuggerKT-35392Debugger omits meaningful part of the stacktrace even with disabled filterKT-36215Coroutines debugger tab is empty in Android StudioKT-37238Coroutines Debugger: dump creation fails every timeKT-38047Coroutines Debugger: Assertion failed: “Should be invoked in manager thread, use DebuggerManagerThreadImpl” on moving to source code from suspended coroutine in project without debugger jar in classpathKT-38049Coroutines Debugger: NPE “null cannot be cast to non-null type com.sun.jdi.ObjectReference” is thrown by calling dumpCoroutinesKT-38487Any Field Watch interaction causes a MissingResourceExceptionIDE. Decompiler, Indexing, Stubs
KT-37896IAE: "Argument for @NotNull parameter 'file' of IndexTodoCacheManagerImpl.getTodoCount must not be null" through KotlinTodoSearcher.processQuery()IDE. Gradle Integration
KT-33809Withkotlin.mpp.enableGranularSourceSetsMetadata=true, IDE misses dependsOn-relation between kotlin and android sourceSets, leading to issues with expect/actual matchingKT-36354IDE: Gradle import from non-JVM projects: dependency to output artifact is created instead of module dependencyKT-38037UnsupportedOperationException on sync gradle Kotlin project with at least two multiplatform modulesIDE. Gradle. Script
KT-36763Drop modification stamp for scripts after project importKT-37237Script configurations should be loaded during project import in case of errorsKT-38041Do not request for script configuration after VCS updateIDE. Inspections and Intentions
New Features
KT-3262Inspection "Inner class could be nested"KT-15723Add 'Convert to value' quickfix for property containing only getterKT-34026Add "Remove argument" quick fix for redundant argument in constructor callKT-34332Add "Remove argument" quick fix for redundant argument in function callKT-34450Convert function to propertyintention should be also displayed onfunkeywordKT-34593Invert 'if' condition: InvertString.isNotEmptyshould beString.isEmptyKT-34819Inspection: report useless elvis "?: return null"KT-37849SupportReplaceWithfor supertypes callPerformance Improvements
KT-37515DeadlockFixes
KT-12329"invert if" inserts unnecessary 'continue' for statement inside a loop with 'continue'KT-17615"Convert parameter to receiver" changesthistothis@ < no name provided >KT-20868IntelliJ says method from anonymous inner class with inferred interface type is not used even though it isKT-20907Secondary constructor is marked as unused by IDE when called by typealiasKT-22368"Convert to block body" intention incorrectly formats closing braceKT-23510"Remove parameter" quick fix keeps lambda argument when it's out of parenthesesKT-27601False positive "Unused import directive" for extension function used in KDocKT-28085"Convert receiver to parameter" introduces incorrect this@class in lambdaKT-30028"Convert parameter to receiver" introduces wrong 'this' qualifier for extension lambda receiverKT-31601"Remove redundant let call" changes semantics by introducing multiple safe callsKT-31800False positive "never used" with function in private val object expressionKT-31912QF “Convert to anonymous object” do nothing on SAM-interfacesKT-32561"Property can be declared in constructor" causes another warningKT-32809Convert parameter to receiver inserts wrong qualifiers for this (when nothing needs to be changed)KT-34371"Surround with lambda" quickfix is not available for suspend lambda parameters.KT-34640Replace 'if' with 'when' leads to copy comment line above when from another ifKT-36225KNPE: CodeInliner.processTypeParameterUsages withReplaceWithfor inline reified generic functionKT-36266NPE when invoking Lift return out of if/when after intention becomes inapplicable but still beeing shownKT-36296False negative "Redundant SAM-constructor" with multiple SAM argumentsKT-36367False negative "Redundant SAM-constructor" for kotlin functionsKT-36368False negative "Redundant SAM-constructor" for fun interfaces in kotlinKT-36395False positive "Redundant SAM-constructor" with two java interfaces extending one anotherKT-36411"Put parameters on separate lines" and "Put parameters on one line" actions do not respect trailing commaKT-36482"Add JvmOverloads annotation" intention is still suggested for annotation's parametersKT-36686Implement members quickfix puts the implementation before the data class if it already has a bodyKT-36685"Convert to a range check" transform hex range to int if it is compared with "Less" or "Greater"KT-36707False positive redundant companion object on calling companion object membersKT-36735Inspection 'Replace 'toString' with string template' miss curly braces and generates wrong code for constructor callsKT-36834Convert use-site targets and usages with convert property to fun intentionKT-37213"MoveConfiguration
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Update kotlin_version to v1.7.20to Update kotlin_version to v1.7.21f3878be1c1to62a490b7b5Update kotlin_version to v1.7.21to Update kotlin_version to v1.7.2262a490b7b5to3bee048ff8Update kotlin_version to v1.7.22to Update kotlin_version to v1.8.03bee048ff8toed5af2873fed5af2873fto5b3d16626cUpdate kotlin_version to v1.8.0to Update kotlin_version to v1.8.105b3d16626ctob924e4d917Update kotlin_version to v1.8.10to Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v1.8.10Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v1.8.10to Update kotlin_version to v1.8.10b924e4d917to6e14329fa2Update kotlin_version to v1.8.10to Update kotlin_version to v1.8.206e14329fa2to872f0bf1d8Update kotlin_version to v1.8.20to Update kotlin_version to v1.8.21872f0bf1d8to2d69f2a409Update kotlin_version to v1.8.21to Update kotlin_version to v1.8.222d69f2a409toa99b065285a99b065285to5ae671fc66Update kotlin_version to v1.8.22to Update kotlin_version to v1.9.0Update kotlin_version to v1.9.0to Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v1.9.0Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v1.9.0to Update kotlin_version to v1.9.05ae671fc66to7faf07bbb8Update kotlin_version to v1.9.0to Update kotlin_version to v1.9.107faf07bbb8toa9971c01c9a9971c01c9to850c28535e850c28535eto18f5634c4718f5634c47toe0e7000778Update kotlin_version to v1.9.10to Update kotlin_version to v1.9.20e0e7000778to9484450d7cUpdate kotlin_version to v1.9.20to Update kotlin_version to v1.9.219484450d7cto678f033c3cUpdate kotlin_version to v1.9.21to Update kotlin_version to v1.9.22678f033c3cto385766df0eUpdate kotlin_version to v1.9.22to Update kotlin_version to v1.9.23385766df0eto1ceae6093bUpdate kotlin_version to v1.9.23to Update kotlin_version to v1.9.241ceae6093btodf6c7ea693Update kotlin_version to v1.9.24to Update kotlin_version to v1.9.25