Changelog

Analysis API

• KT-80082 K2. False positive "Cannot resolve method" for self-bounded generic with wildcard return type in Java interop
• KT-80303 Move:native:analysis-api-klib-reader to:libraries:tools

Analysis API. Code Compilation

• KT-70860 K2 IDE / Kotlin Debugger: CCE “java.lang.String cannot be cast to java.lang.Void” on evaluating not-null variable on the line with assigning null to that var
• KT-78554 K2 IDE / Kotlin Debugger: ISE “No override for FUN IR_EXTERNAL_DECLARATION_STUB” on calling toString() for local class instance during evaluation
• KT-73201 K2 IDE: Error while evaluating expressions with local classes

Analysis API. FIR

• KT-81378 Expected expression 'FirFunctionCallImpl' to be resolved caused bysuspend {}
• KT-80473 Add events for tracking LL activities
• KT-46375 Analysis API: Support cross-file class redeclaration checks using indices
• KT-80471 Analysis API: Deduplicate equivalent call candidates inresolveToCallCandidates
• KT-79653 [Analysis API] ContextCollector: BODY context of enum classes doesn't contain enum entries
• KT-75858 K2 AA: False positive 'property must be initialized' on incremental analysis with 'field' usage and semicolon in setter
• KT-80231 AnnotationArgumentsStateKeepers doesn't restore the initial annotation in some cases
• KT-80233 Pull mutation out of AnnotationArgumentsStateKeepers
• KT-71466LLFirBuiltinsSessionFactory usescreateCompositeSymbolProvider
• KT-76432 JavaClassUseSiteMemberScope: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl

Analysis API. Infrastructure

• KT-80717 Support IntelliJ Bazel build in the Kotlin Coop development mode

Analysis API. Light Classes

• KT-80656 Duplicate no-args constructor in PSI
• KT-60490 Symbol Light Classes: Property accessors from a delegated interface don't present in the delegating class
• KT-79689 SymbolLightClassForClassLike.toString() causes PSI tree loading
• KT-80690 Private interface functions are not present in light classes
• KT-80256 K2: Certain actions in JPA code causes infinite PIEAE: "Element class CompositeElement of type REFERENCE_EXPRESSION (class KtNameReferenceExpressionElementType)"
• KT-79012 Add a high-level overview of light classes

Analysis API. Providers and Caches

Fixes

• KT-81476 Analysis API:AlreadyDisposedException from low-memory cache cleanup
• KT-80911 Analysis API: Execute session invalidation in a non-cancelable section
• KT-81242 Analysis API: Add UUID/lifetime properties to LL FIR session structure logging
• KT-80622 Analysis API: Visualise LL FIR session structure & weight
• KT-80904 Analysis API: "Invalid dangling file module" exception during session invalidation
• KT-78882 K2 AA: Calling containingSymbol on getProgressionLastElement causes exception
• KT-58325 Analysis API: CombineLLKotlinStubBasedLibrarySymbolProviders in session dependencies (optimization)
• KT-77825 Analysis API:CheckersComponent consumes a lot of memory while being unused in LL FIR sessions
• KT-76526 Incorrect built-in module is provided for non-JVM sources in Standalone
• KT-62549 Analysis API: Cache callables in combined Kotlin symbol providers
• KT-70721 LL FIR: investigate possibility of movingLLFirFirClassByPsiClassProvider . getClassByPsiClass (PsiClass) to symbol providers
• KT-72998 Analysis API: IntroducegetClassLikeSymbolByPsi to LL FIR symbol providers

Analysis API. Standalone

• KT-81108 AA: java.lang.ClassCastException: class org.jetbrains.kotlin.fir.FirBinaryDependenciesModuleData cannot be cast to class org.jetbrains.kotlin.analysis.low.level.api.fir.projectStructure.LLFirModuleData
• KT-80573 Potential performance issue on class ID computation
• KT-80559 Try to optimize KotlinStandaloneDeclarationProviderFactory startup for tests
• KT-71706 Analysis API Standalone:StandaloneProjectFactory.createSearchScopeByLibraryRoots creates inefficient file-based search scopes

Analysis API. Stubs and Decompilation

Performance Improvements

• KT-77097 SupportReplaceWith deprecation annotation argument via stubs

Fixes

• KT-80350 Drop K1 decompiler
• KT-77082 StackOverflowError in CreateFreshTypeVariableSubstitutorStage.shouldBeFlexible
• KT-80798 Improve stubs tests coverage
• KT-75318 Read context parameter fields from metadata in CallableClsStubBuilder
• KT-77874 AA disagrees with the compiler on descriptions of context parameters from binaries in messages for context argument ambiguity errors
• KT-80276 Implement native coping for stubs
• KT-79780 Decompiled MultifileClass has Facade kind
• KT-79398 isClsStubCompiledToJvmDefaultImplementation flag is inconsistent for compiled and decompiled stubs
• KT-79798 Prettify stub usages in LL stub-based deserializer
• KT-78949 AbstractLLStubBasedResolutionTest: tests against real stub-based files
• KT-80251 Inconsistent decompiled and compiled stub for properties with an initializer and a delegate
• KT-74547 Implement decompiler for K2
• KT-79555 Move KotlinFileStubImpl serialization/deserialization to the Analysis API
• KT-79487 "null DefinitelyNotNullType for 'T'" from decompiler
• KT-60764 Stub Builder: fix differences between K1 and K2 stub building on decompiled files
• KT-79484 An empty enum class with a member decompiles with a synthetic error
• KT-79730 Decompiled files have an extraKt suffix
• KT-79483 data modifier is not present on object modifier
• KT-75398 Local classes from scripts have ClassId in stubs
• KT-79412 Context parameters with type annotations cause inconsistency errors while building stubs

Analysis API. Surface

New Features

• KT-80084 Provide endpoints for Analysis API to understand when the context sensitive resolution is used
• KT-64340 Analysis API: no way to get a type of vararg parameter
• KT-68387 AA: provide context for type approximations

Performance Improvements

• KT-80713 Optimize KaDeclarationSymbol#visibility for class-like symbols
• KT-79097 KaFirNamedFunctionSymbol#isSuspend shouldn't trigger resolution
• KT-79095 isOverride shouldn't trigger resolution if not compiler plugins present

Fixes

• KT-80234 Incorrect value ofisActual for the implicitlyactual constructor of annotation class
• KT-81132 Use KaSession instead of a particular KaSessionComponent for context parameter bridges
• KT-81129 K2: KaSymbolInformationProvider#importableFq...

Changelog

Compiler

• KT-82869 Green-to-Red change in 2.3 after prioritizing non-suspend-function-type overloads

Libraries

• KT-82901Long.MIN_VALUE.milliseconds produces invalid denormalized Duration

Changelog

Compiler

• KT-82590 ClassCastException when instantiating class with generics implemented by fun interface and lambda

Tools. Compiler Plugin API

• KT-82563 Improve compiler error messages to identify incompatible plugins causing compilation failures

Changelog

Backend. Wasm

• KT-82075 K/Wasm: kotlin.wasm.internal.getSimpleName crashes on iOS Safari older than 26

Compiler

• KT-82138 Debugger: Cannot evaluate JvmInline value class parameter
• KT-78413 Kotlin Debugger: value classes as context parameters have incorrect names in Variables View during debugging
• KT-80549 Call of Java method with type parameter bounds: Expected FirResolvedTypeRef with ConeKotlinType but was FirJavaTypeRef
• KT-82132 False-positive type mismatch with -language-version 2.2
• KT-81988 K2: Any?.toString() causes NPE inside lambda with Java
• KT-82022 K/N: Unexpected "Annotation@JvmInline is missing on actual declaration" warning with value classes

Compose compiler

• CMP-9167 iOS: Platform declaration clash: The following functions have the same IR signature

IR. Actualizer

• KT-77337IrNoExpectSymbolsHandler finds expect class reference after enabling annotation traversal in IR

IR. Tree

• KT-81952 "IllegalStateException: Callable reference with vararg should not appear at this stage" for callable references to functions with generic vararg parameters

JVM. Reflection

• KT-81967 isSubtypeOf: ClassCastException: CapturedKType cannot be cast to class AbstractKType
• KT-81619 Reflection: Function supertype of a FunctionN class has flexible type in new implementation

JavaScript

• KT-82005 KJS: "TypeError: callAgent.jsonRpcCall_ij3z26_k$ is not a function" after code change in 2.3.0-Beta1/2
• KT-79514 java.lang.IllegalStateException: IrClassSymbolImpl is unbound. Signature: kotlin.js/Promise|null[0] on running jsBrowserTest

Libraries

• KT-81995 K/N: CMP: Undefined symbol _kfun:kotlin.time.Duration.kotlin.time.Duration
• KT-72111 Change Duration.parseOrNull logic to not throw exceptions internally

Tools. Compiler Plugin API

• KT-82099 Compiler plugin ordering has no effect

Tools. Gradle

• KT-79482 Report webMain / webTest usage in FUS metrics
• KT-82244 Conflicting warnings when using AGP 9.0.0-alpha with built-in Kotlin disabled
• KT-82068 Workaround iOS Simulator start failure in IT
• KT-81161 Gradle plugin api reference: compiler arguments types are not available

Tools. Gradle. Multiplatform

• KT-81601 Withandroid.builtInKotlin=false AGP 9.0+, usingkotlin-multiplatform plugin will fail with aClass Cast Exception
• KT-81980 KGP warning gives incorrect suggestion for AGP application compatibility

Tools. Gradle. Native

• KT-81510commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found

Tools. Maven

• KT-82180 kotlin-maven-plugin: IC succeeds after dependent source deletion

Tools. Wasm

• KT-82365 K/Wasm: NodeRun tasks in Wasi depend on kotlinWasmToolingSetup

Changelog

Analysis API

• KT-80082 K2. False positive "Cannot resolve method" for self-bounded generic with wildcard return type in Java interop

Analysis API. Code Compilation

• KT-70860 K2 IDE / Kotlin Debugger: CCE “java.lang.String cannot be cast to java.lang.Void” on evaluating not-null variable on the line with assigning null to that var

Analysis API. FIR

• KT-81378 Expected expression 'FirFunctionCallImpl' to be resolved caused bysuspend {}
• KT-80473 Add events for tracking LL activities

Analysis API. Providers and Caches

• KT-81476 Analysis API:AlreadyDisposedException from low-memory cache cleanup
• KT-80911 Analysis API: Execute session invalidation in a non-cancelable section
• KT-81242 Analysis API: Add UUID/lifetime properties to LL FIR session structure logging
• KT-80622 Analysis API: Visualise LL FIR session structure & weight
• KT-80904 Analysis API: "Invalid dangling file module" exception during session invalidation
• KT-78882 K2 AA: Calling containingSymbol on getProgressionLastElement causes exception

Analysis API. Standalone

• KT-81108 AA: java.lang.ClassCastException: class org.jetbrains.kotlin.fir.FirBinaryDependenciesModuleData cannot be cast to class org.jetbrains.kotlin.analysis.low.level.api.fir.projectStructure.LLFirModuleData

Analysis API. Stubs and Decompilation

• KT-77097 SupportReplaceWith deprecation annotation argument via stubs

Analysis API. Surface

New Features

• KT-80084 Provide endpoints for Analysis API to understand when the context sensitive resolution is used

Fixes

• KT-81132 Use KaSession instead of a particular KaSessionComponent for context parameter bridges
• KT-81129 K2: KaSymbolInformationProvider#importableFqName: should return null for dynamic declarations
• KT-81128 K2: KaSymbolInformationProvider#importableFqName: should return null for error destructuring declarations
• KT-81127 K2: KaSymbolInformationProvider#importableFqName: should return null for anonymous functions
• KT-81126 K2: KaSymbolInformationProvider#importableFqName: should return null for enum entry initializer constructors
• KT-81125 K2: KaSymbolInformationProvider#importableFqName: should return null for property accessors
• KT-81124 K2: KaSymbolInformationProvider#importableFqName: type alias constructor should have a reference to the type alias and not to the underlying class
• KT-70127 Analysis API: 'KaFirReceiverParameterSymbol' does not implement 'KaFirSymbol'; leads to exception fromimportableFqName
• KT-81123 Reimplement KaFirSymbolInformationProvider#importableFqName
• KT-81122 Drop KaImportOptimizer
• KT-79772 Migrate from 'validityAsserted' to 'withValidityAssertion'
• KT-59857 KaExpressionTypeProvider#returnType shouldn't throw an exception for class like declarations

Backend. Wasm

• KT-79244 [Wasm] Drop K1-specific tests, testrunners and test directives
• KT-80397 K/Wasm: turn on by default using a new version of the exception handling proposal for wasm-wasi target
• KT-76204 K/Wasm: support generating a wasm module per kotlin module/klib
• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80106 devServer in Kotlin/Wasm overwrites defaults, causing missing static paths

Compiler

New Features

• KT-80837 Warn about extension function with a context shadowed by member
• KT-80031 Check spotbugs's@CheckReturnValue in Kotlin's unused return value checker

Performance Improvements

• KT-81617 Native: casts optimizations pass explodes on deep nested loops
• KT-81340 K/N: severe compilation time degradation after turning on casts optimization pass
• KT-52283 Never ending type inference while compiling Kotlin code with lots of self pointing generics

Fixes

• KT-81618 "Number of arguments should not be less than number of parameters" on JVM on Kotlin 2.3.0-Beta1
• KT-81652 Native: ClassCastException: ApplicationForegroundStateListener.Companion
• KT-74999 K2: KotlinNothingValueException within Extension Function
• KT-81254 "AssertionError: There should be at least one non-stub type to compute common supertype": Parser issue during generic type inference
• KT-80250 ISE: flow for PostponedLambdaExitNode not initialized - traversing nodes in wrong order?
• KT-81186 Only allow local type aliases in REPL/scripts until full stabilization
• KT-80929 IC Native: Undefined symbols on ktor
• KT-81657 K2: put warning about "exposing package-private in internal" under experimental language feature
• KT-81241 Konanc exit while lowering org.jetbrains.kotlin.ir.util.IrUtilsKt.remapTypeParameters
• KT-74819 K2: False-positive overload resolution ambiguity for flatMap inside PCLA
• KT-79506 Contract for getter and setter doesn't work if a property is called from another module
• KT-71420 Report error when reified type parameter is inferred to intersection type
• KT-77727 Move some of the extra checkers to the default list
• KT-81257 Native: "Unexpected boolean predicate" when generating 'static_cache'
• KT-81525 Report REDUNDANT_SPREAD_OPERATOR on (*) instead of argument expression
• KT-81522 Fix Light TreeSPREAD_OPERATOR diagnostic positioning
• KT-77008 K2: Incorrectly force casting to a wrong type
• KT-78127 K2: Too precise inference for if/when with expected type in assignment
• KT-80208 K2: ClassCastException: "class java.util.ArrayList cannot be cast to class java.lang.Void" type inference picks Void for generic function
• KT-79231 Inconsistent InnerClass entry flags for abstract inner enum
• KT-20677 Improve diagnostic about implicit default constructor absence for expected annotation class
• KT-9111 Improve diagnostic for call with access to outer class from nested class
• KT-81385 Missing error of nullable expression in class literal in case of reified type parameter
• KT-81141 Fix FirUnsupportedArrayLiteralChecker to forbid array literals inside non-annotation contexts
• KT-81383 Return type of anonymous function used asrun argument is incorrectly inferred toNothing
• KT-80577 "Return type mismatch" for self-referential types used as generic parameters
• KT-81198 Move type and type parameter annotations from jvm_metadata.proto to metadata.proto
• KT-81057 Wrong handling of boxing during redundant casts optimization
• KT-76479 Backend. JVM: Report errors on exposure of types in inline functions
• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-81115 Allow converting lambda wi...

Changelog

Backend. Wasm

• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE :@PublishedApi doesn't work for fun interfaces

JavaScript

• KT-79926 Wrong export of interfaces with companions with ES Modules
• KT-81424 Kotlin/JS: Cannot Get / in a simple running application
• KT-80873 KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal

Native

• KT-79384 K/N: Application Not Responding: Thread Deadlock

Tools. Gradle

• KT-79047 Gradle compileKotlin fails with configuration cache
• KT-81148 Publishing helpers in KGP are incompatible with Isolated Projects
• KT-80950 KGP breaks configuration cache when signing plugin with GnuPG is applied

Tools. Gradle. Multiplatform

• KT-61127 Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import
• KT-81249 Kotlin 2.2.20 broke KMP implementation of Parcelize

Tools. Gradle. Native

• KT-81510commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found
• KT-81134 Native: Gradle configuration failure likely related to Klibs cross-compilation
• KT-77732commonizeCInterop failed with "Unresolved classifier: platform/posix/size_t"
• KT-80675 Commonized cinterops between "test" compilations produce an import failure

Tools. Maven

• KT-81218 Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon

Tools. Wasm

• KT-80582 Multiple reloads when using webpack dev server after 2.2.20-Beta2

Changelog

Tools. Gradle. Native

• KT-81134 Native: Gradle configuration failure likely related to Klibs cross-compilation
• KT-81510commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found

Changelog

Analysis API

• KT-80303 Move:native:analysis-api-klib-reader to:libraries:tools

Analysis API. Code Compilation

• KT-80227 Support unnamed context parameters in evaluation
• KT-78554 K2 IDE / Kotlin Debugger: ISE “No override for FUN IR_EXTERNAL_DECLARATION_STUB” on calling toString() for local class instance during evaluation
• KT-73201 K2 IDE: Error while evaluating expressions with local classes

Analysis API. FIR

• KT-46375 Analysis API: Support cross-file class redeclaration checks using indices
• KT-80471 Analysis API: Deduplicate equivalent call candidates inresolveToCallCandidates
• KT-79653 [Analysis API] ContextCollector: BODY context of enum classes doesn't contain enum entries
• KT-75858 K2 AA: False positive 'property must be initialized' on incremental analysis with 'field' usage and semicolon in setter
• KT-80231 AnnotationArgumentsStateKeepers doesn't restore the initial annotation in some cases
• KT-80233 Pull mutation out of AnnotationArgumentsStateKeepers
• KT-71466LLFirBuiltinsSessionFactory usescreateCompositeSymbolProvider
• KT-76432 JavaClassUseSiteMemberScope: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl

Analysis API. Infrastructure

• KT-80717 Support IntelliJ Bazel build in the Kotlin Coop development mode

Analysis API. Light Classes

• KT-80656 Duplicate no-args constructor in PSI
• KT-60490 Symbol Light Classes: Property accessors from a delegated interface don't present in the delegating class
• KT-79689 SymbolLightClassForClassLike.toString() causes PSI tree loading
• KT-79012 Add a high-level overview of light classes

Analysis API. Providers and Caches

• KT-78882 K2 AA: Calling containingSymbol on getProgressionLastElement causes exception
• KT-58325 Analysis API: CombineLLKotlinStubBasedLibrarySymbolProviders in session dependencies (optimization)
• KT-77825 Analysis API:CheckersComponent consumes a lot of memory while being unused in LL FIR sessions
• KT-76526 Incorrect built-in module is provided for non-JVM sources in Standalone
• KT-62549 Analysis API: Cache callables in combined Kotlin symbol providers
• KT-70721 LL FIR: investigate possibility of movingLLFirFirClassByPsiClassProvider . getClassByPsiClass (PsiClass) to symbol providers
• KT-72998 Analysis API: IntroducegetClassLikeSymbolByPsi to LL FIR symbol providers

Analysis API. Standalone

• KT-80573 Potential performance issue on class ID computation
• KT-80559 Try to optimize KotlinStandaloneDeclarationProviderFactory startup for tests
• KT-71706 Analysis API Standalone:StandaloneProjectFactory.createSearchScopeByLibraryRoots creates inefficient file-based search scopes

Analysis API. Stubs and Decompilation

Performance Improvements

• KT-77097 SupportReplaceWith deprecation annotation argument via stubs

Fixes

• KT-77082 StackOverflowError in CreateFreshTypeVariableSubstitutorStage.shouldBeFlexible
• KT-80798 Improve stubs tests coverage
• KT-75318 Read context parameter fields from metadata in CallableClsStubBuilder
• KT-77874 AA disagrees with the compiler on descriptions of context parameters from binaries in messages for context argument ambiguity errors
• KT-80350 Drop K1 decompiler
• KT-80276 Implement native coping for stubs
• KT-79780 Decompiled MultifileClass has Facade kind
• KT-79398 isClsStubCompiledToJvmDefaultImplementation flag is inconsistent for compiled and decompiled stubs
• KT-79798 Prettify stub usages in LL stub-based deserializer
• KT-78949 AbstractLLStubBasedResolutionTest: tests against real stub-based files
• KT-80251 Inconsistent decompiled and compiled stub for properties with an initializer and a delegate
• KT-74547 Implement decompiler for K2
• KT-79555 Move KotlinFileStubImpl serialization/deserialization to the Analysis API
• KT-79487 "null DefinitelyNotNullType for 'T'" from decompiler
• KT-60764 Stub Builder: fix differences between K1 and K2 stub building on decompiled files
• KT-79484 An empty enum class with a member decompiles with a synthetic error
• KT-79730 Decompiled files have an extraKt suffix
• KT-79483 data modifier is not present on object modifier
• KT-75398 Local classes from scripts have ClassId in stubs
• KT-79412 Context parameters with type annotations cause inconsistency errors while building stubs

Analysis API. Surface

New Features

• KT-64340 Analysis API: no way to get a type of vararg parameter
• KT-68387 AA: provide context for type approximations

Performance Improvements

• KT-80713 Optimize KaDeclarationSymbol#visibility for class-like symbols
• KT-79097 KaFirNamedFunctionSymbol#isSuspend shouldn't trigger resolution
• KT-79095 isOverride shouldn't trigger resolution if not compiler plugins present

Fixes

• KT-78093 Add bridges for context parameters
• KT-79328 K2 AA, isUsedAsExpression: Unhandled Non-KtExpression parent of KtExpression: class org.jetbrains.kotlin.psi.KtImportDirective
• KT-80366 IllegalStateException from KaFirStopWorldCacheCleaner
• KT-80274 Merge AbstractMultiModuleSymbolByPsiTest to AbstractSymbolByPsiTest
• KT-80352 KaBaseResolutionScope.contains(PsiElement) always returns false for Android light classes (e.g. synthetic R.java classes)
• KT-80234 Incorrect value ofisActual for the implicitlyactual constructor of annotation class
• KT-80178 Incorrect modality for an abstract interface function with a redundantopen modifier
• KT-79129 [Analysis API]KaFe10TypeCreator.buildClassType cannot build builtin types by class ids
• KT-79143 AA:argumentMapping contains an expression that is not an argument
• KT-59857 KaExpressionTypeProvider#returnType shouldn't throw an exception for class like declarations
• KT-79667 Enable resolve on java record components in standalone mode
• KT-73050KaFirSymbolRelationProvider#expectsForActual: suspicius logic for KaReceiverParameterSymbol
• KT-78904 KaBaseWriteActionStartedChecker throws when no additional WA was done
• KT-79281 Add KDoc toKaTypePointer#restore
• KT-78597 KaUseSiteVisibilityChecker returns false for internal functions exposed via implicit receiver
• KT-71705 FIR api impl: Postfix increment expression'sexpressionType is Unit when incrementing array element
• KT-75057 Analysis API: Reference to object thr...

Changelog

Backend. Wasm

• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE :@PublishedApi doesn't work for fun interfaces

JavaScript

• KT-80873 KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal
• KT-79926 Wrong export of interfaces with companions with ES Modules

Native

• KT-79384 K/N: Application Not Responding: Thread Deadlock

Tools. Gradle

• KT-81148 Publishing helpers in KGP are incompatible with Isolated Projects
• KT-80950 KGP breaks configuration cache when signing plugin with GnuPG is applied
• KT-79047 Gradle compileKotlin fails with configuration cache

Tools. Gradle. Multiplatform

• KT-81249 Kotlin 2.2.20 broke KMP implementation of Parcelize
• KT-61127 Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import

Tools. Gradle. Native

• KT-77732commonizeCInterop failed with "Unresolved classifier: platform/posix/size_t"
• KT-80675 Commonized cinterops between "test" compilations produce an import failure

Tools. Maven

• KT-81218 Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon

Tools. Wasm

• KT-80582 Multiple reloads when using webpack dev server after 2.2.20-Beta2

Changelog

Analysis API

• KT-78187 Synthetic properties not to be shown as callables
• KT-72525 K2. red code and KIWA on new-lines in guarded when conditions (with parentheses)
• KT-74246 KaVisibilityChecker.isVisible is inefficient with multiple calls on the same use-site

Analysis API. Code Compilation

• KT-78382 K2 IR lowering error when interface extends interface
• KT-73201 K2 IDE: Error while evaluating expressions with local classes
• KT-78164 Evaluator: '@JvmName' annotations are not recognized in other modules
• KT-76457 K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a JVM counterpart” on evaluating inline fun from common module inside jvm
• KT-73084 K2 evaluator cannot resolve local variables standing at the closing brace

Analysis API. FIR

Performance Improvements

• KT-76490 Do not load ast during the contracts phase if no contracts present
• KT-78132 Do not check FirElementBuilder#tryGetFirWithoutBodyResolve optimization for already resolved declarations

Fixes

• KT-72227 SOE from recursive value class
• KT-68977 K2 IDE: Reference to companion object through typealias in a function call does not work
• KT-72357 Implement partial body resolution
• KT-76932 Support context parameters on dangling modifier list
• KT-72407 FirImplementationByDelegationWithDifferentGenericSignatureChecker: FirLazyExpression should be calculated before accessing
• KT-77602 K2 / Analysis API: KAEWA “No fir element was found for KtParameter” on incorrect context()-call
• KT-77629 K2: NPE: "org.jetbrains.kotlin.fir.java.declarations.FirJavaTypeParameter.performFirstRoundOfBoundsResolution"
• KT-76855 Analysis API:KaType.asPsiType returnsnull for a local inner class in dependent analysis tests
• KT-72718 ImplicitReceiverValue.createSnapshot creates invalid FIR if receiver is smart-casted
• KT-76811 Analysis API:resolveToFirSymbol finds aFirPropertySymbol for aKtScript in dependent analysis
• KT-73586 [Analysis API] AddlazyResolveToPhase(STATUS) before accessing modifiers of members
• KT-71135 AA: exception from sealed inheritors checker whenanalyzeCopy
• KT-75534 K2 AA: "Containing declaration should present for nested declaration class KtNamedFunction" with dangling annotation on top-level anonymous function
• KT-75687 K2: local variable doesn't get to the do-while scope
• KT-56543 LL FIR: rework lazy transformers so transformers modify only declarations they suppose to

Analysis API. Infrastructure

• KT-76809 Analysis API: Dependent analysis tests frequently work with the original element instead of the copied element

Analysis API. Light Classes

• KT-78835 Find usages of a light constructor from a class with an empty body finds usages of class as well
• KT-78878 K2. Method shown as unavailable in Java when@JvmExposeBoxed is applied (redundantly) at both class and method level in Kotlin
• KT-78065 Support "Expose boxed inline value classes" in Light Classes
• KT-78076 DLC: KotlinDeclarationInCompiledFileSearcher missed accessors if types are boxed
• KT-77569 SLC: annotation missing from generated no-args constructor
• KT-75182 K2 AA. False positive red code "Unresolved reference" to a Kotlin method in Java when Kotlin uses a value class with@JvmOverloads
• KT-77564 Constructor with JvmOverloads and value class shouldn't mark regular constructors private
• KT-77505 K2: find usages on java accessor methods do not detect kotlin property accessor usages
• KT-76789 Annotation resolve shouldn't search through non-class members
• KT-76907 Wrong equality between repeatable annotation and container

Analysis API. Providers and Caches

• KT-77578 Analysis API: Performance degradation ofKaBaseResolutionScope.contains after introduction of library restriction scopes
• KT-78640 Analysis API: Remove "friend builtins provider" fromFirDeclarationForCompiledElementSearcher
• KT-74907 Analysis API: Apply platform-based library module content restrictions consistently
• KT-77605 AA: Leaking KaDanglingFileModule through IdeKotlinPackageProvider
• KT-62474 Analysis API: Improve mergeability and performance of custom search scopes
• KT-77022 Get rid of ExpectBuiltinPostProcessor workaround
• KT-77248 Delegation ofJavaModuleResolver is restricted toCliJavaModuleResolver
• KT-76850 LLFirLibrarySession cannot be cast to LLFirResolvableModuleSession
• KT-76952 Analysis API:when exhaustiveness analysis fails for sealed classes in dangling files
• KT-72390 Kotlin project full of red code

Analysis API. Standalone

• KT-78638 Analysis API Standalone: Stdlib builtins are not indexed inSTUBS deserialized declaration origin mode

Analysis API. Stubs and Decompilation

• KT-77496 Support HAS_MUST_USE_RETURN_VALUE metadata flags in FirStubBasedMemberDeserializer
• KT-77778 Function receivers doesn't have annotations
• KT-77777 Receiver annotations shouldn't be present on types
• KT-77538 Support default property accessors with annotations
• KT-77763 Decompiled stubs miss inline modifier for property accessors
• KT-77309 Decompiled property from annotation constructor with default value should have a constant initializer
• KT-77168 Prefer DataInputOutputUtil for serialization/deserialization
• KT-77117 Flaky WRONG_ANNOTATION_TARGET diagnostic
• KT-76791 Function signature types are deserialized inconsistently
• KT-76947 Support functional types with context parameters

Analysis API. Surface

New Features

• KT-73473 Provide KaExpressionInformationProvider.isUsedAsResultOfLambda
• KT-77278 Implement psi-basedKaFirKotlinPropertyKtPropertyBasedSymbol#hasBackingField
• KT-70770 KaLocalVariableSymbol: supportisLateInit

Performance Improvements

• KT-78526 Get rid of redundantcheckValidity fromwithPsiValidityAssertion

Fixes

• KT-77674 Analysis API: Redundant smart cast to the original type
• KT-76577 Guard KaFirStopWorldCacheCleaner from deadlocks via threads waiting
• KT-78820 K2: ISE "FIR element class FirErrorExpressionImpl is not supported in constant evaluation" through RedundantValueArgumentInspection
• KT-75057 Analysis API: Reference to object through typealias in invoke operator call leads to original type
• KT-79042 Do not restore KaTypePointer if target kind has changed
• KT-72421 AA: "KtReference.resolveToSymbols" returns empty list when ASSIGN_OPERATOR_AMBGUITY error is present
• KT-63464...