Update kotlin monorepo to v2.3.0

[renovate]

Note: This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.kotlin:kotlin-stdlib (source)	2.0.0 -> 2.3.0
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	2.2.10 -> 2.3.0

---

Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-stdlib)

v2.3.0: Kotlin 2.3.0

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 by suspend {}
• 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 in resolveToCallCandidates
• 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-71466 LLFirBuiltinsSessionFactory uses createCompositeSymbolProvider
• 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: Combine LLKotlinStubBasedLibrarySymbolProviders 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 moving LLFirFirClassByPsiClassProvider . getClassByPsiClass (PsiClass) to symbol providers
• KT-72998 Analysis API: Introduce getClassLikeSymbolByPsi 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 Support ReplaceWith 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 extra Kt 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 of isActual for the implicitly actual constructor of annotation class
• 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 from importableFqName
• KT-81123 Reimplement KaFirSymbolInformationProvider#importableFqName
• KT-81122 Drop KaImportOptimizer
• KT-78093 Add bridges for context parameters
• KT-79772 Migrate from 'validityAsserted' to 'withValidityAssertion'
• 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-80178 Incorrect modality for an abstract interface function with a redundant open 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-73050 KaFirSymbolRelationProvider#expectsForActual: suspicius logic for KaReceiverParameterSymbol
• KT-78904 KaBaseWriteActionStartedChecker throws when no additional WA was done
• KT-79281 Add KDoc to KaTypePointer#restore
• KT-78597 KaUseSiteVisibilityChecker returns false for internal functions exposed via implicit receiver
• KT-71705 FIR api impl: Postfix increment expression's expressionType is Unit when incrementing array element
• KT-75057 Analysis API: Reference to object through typealias in invoke operator call leads to original type

Backend. Native. Debug

• KT-79848 Flaky debugger tests in opt.debug/cache.*/GC.CMS/GC.sch.ad/alloc.custom configuration

Backend. Wasm

New Features

• KT-59032 Support instantiation of annotation classes on WASM

Fixes

• KT-76204 K/Wasm: support generating a wasm module per kotlin module/klib
• KT-79357 K/Wasm: store data for string literals in utf8 for Latin1
• KT-82075 K/Wasm: kotlin.wasm.internal.getSimpleName crashes on iOS Safari older than 26
• KT-79244 [Wasm] Drop K1-specific tests, testrunners and test directives
• KT-69621 K/Wasm: Consider enabling support for KClass.qualifiedName by default
• KT-80397 K/Wasm: turn on by default using a new version of the exception handling proposal for wasm-wasi target
• 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)
• KT-66072 K/Wasm: improve how exceptions work in JS interop
• KT-80106 devServer in Kotlin/Wasm overwrites defaults, causing missing static paths
• KT-80210 Wasm: "Unexpected non-external class: kotlin.Nothing" caused by JsExport with JsPromise
• KT-80555 WASM IC: Can't link symbol on kotlinx.coroutines on fresh master
• KT-80415 WasmJs Number Elvis Operator Crash
• KT-76509 WasmJS: ReferenceError: Temporal is not defined caused by "Redundant reference to unused external results"
• KT-79317 [Wasm] Do not throw CCE for ExcludedFromCodegen declarations
• KT-78036 K/Wasm: generate a message with "expected" and "actual" types in case of CCE

Compiler

New Features

• KT-80461 K2: false positive NO_ELSE_IN_WHEN for complex sealed hierarchy
• KT-77676 K/N: enable typechecks and the casts optimization pass in debug mode by default
• KT-79185 Support local type aliases
• KT-80837 Warn about extension function with a context shadowed by member
• KT-80768 Warning on overloading by a superset of context parameters in class context
• KT-80031 Check spotbugs's @CheckReturnValue in Kotlin's unused return value checker
• KT-79380 Native: add performance measurement for the rest of backend phases
• KT-79381 Native: add performance measurement of LLVM phases
• KT-80222 Implement the prohibition of always-false is checks for definitely incompatible types
• KT-79295 Parse and build raw FIR from new short and full forms of positional destructuring with square brackets
• KT-74810 Support typealiased/mapped Java types in unused return value checker
• KT-71244 Incorporate existing @CheckReturnValue annotation(s) into Kotlin's unused return value checker
• KT-79922 Record 'MustUse/ExplicitlyIgnorable' state for overrides even in disabled RVC mode
• KT-79920 Store 'Explicitly ignorable' state of function/property in the metadata
• KT-79690 Implement a USELESS_ELVIS_LEFT_IS_NULL with elvis expression
• KT-79296 Implement/adapt diagnostics for new destructuring
• KT-79298 Report errors on new destructuring syntax in K1

Performance Improvements

• KT-81617 Native: casts optimizations pass explodes on deep nested loops
• KT-80554 Kotlin/Native: investigate performance hit from always-on llvm pass profiling
• KT-81340 K/N: severe compilation time degradation after turning on casts optimization pass
• KT-80370 Add NO_INLINE attribute to some of runtime functions
• KT-80167 K/N: condense the nodes and edges in DevirtualizationAnalysis constraint graph
• KT-79535 Revert incorrect SAM conversion enhancements brought to K2

Fixes

• KT-79979 K2: ClassCastException when overriding extension property with delegation
• KT-82590 ClassCastException when instantiating class with generics implemented by fun interface and lambda
• KT-78881 K2: False positive "Assigned value is never read" in composable function
• KT-79276 Dexing fails with "Cannot read field X because is null" with 2.2.0
• KT-79547 "UnsupportedOperationException: Not supported" with inlining and value classes
• KT-79442 "Multiple annotations of type kotlin.coroutines.jvm.internal.DebugMetadata": 2.2.0-Beta1 generates broken code with JVM default suspend methods in interfaces
• KT-80744 Kotlin failure on lambda with type parameter
• KT-81618 "Number of arguments should not be less than number of parameters" on JVM on Kotlin 2.3.0-Beta1
• KT-82869 Green-to-Red change in 2.3 after prioritizing non-suspend-function-type overloads
• KT-79611 "IllegalStateException: couldn't find inline method": Exception during incremental compilation
• KT-78895 Consider dropping isLocalInFunction and FirClassLikeDeclaration.isLocal
• KT-82040 Native: ClassCastException: PointerInputChange
• KT-81924 K2: "Cannot infer type for this parameter", "Overload resolution ambiguity between candidates"
• KT-80864 K2: Missing Val cannot be reassigned diagnostic for Java final fields (crashes in runtime with IllegalAccessError)
• KT-71420 Report error when reified type parameter is inferred to intersection type
• KT-79451 Rework approach to recursive types approximation
• KT-78413 Kotlin Debugger: value classes as context parameters have incorrect names in Variables View during debugging
• KT-82138 Debugger: Cannot evaluate JvmInline value class parameter
• KT-82381 ArrayIndexOutOfBoundsException while FirDiagnosticsCompilerResultsReporter tries to print code as part of a warning log
• KT-81068 Corrupted Unicode paths passed or used in the compiler
• KT-79783 KDoc parser: Links aren't rendered if the line has an indent of 4 or more
• 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-81652 Native: ClassCastException: ApplicationForegroundStateListener.Companion
• KT-76479 Backend. JVM: Report errors on exposure of types in inline functions
• KT-82022 K/N: Unexpected "Annotation @JvmInline is missing on actual declaration" warning with value classes
• KT-80250 ISE: flow for PostponedLambdaExitNode not initialized - traversing nodes in wrong order?
• KT-76344 Drop language version 1.9 for non-JVM platforms
• KT-76343 Drop language version 1.8
• KT-80330 K2: NPE at org.jetbrains.kotlin.fir.resolve.calls.FirCallResolver.createResolvedNamedReference
• KT-80400 K2: AbstractMethodError on fun interface implementation inheriting from an interface compiled with -jvm-default=disable
• KT-9111 Improve diagnostic for call with access to outer class from nested class
• KT-78280 Implement the sourceless KtDiagnostics
• 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-53237 NI: Frontend ignores generic bound when inferring types
• 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-81547 Stabilize DFA-based exhaustiveness
• KT-79274 Frontend implementation of name-based destructuring
• KT-79506 Contract for getter and setter doesn't work if a property is called from another module
• KT-58988 K2: Deprecate exposing package-private parameter of internal method
• KT-80711 IC Native: NPE during link on ktor
• KT-77727 Move some of the extra checkers to the default list
• KT-76136 Switch latest stable version in Kotlin project to 2.3
• 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 Tree SPREAD_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-75797 Native: find a way to handle generates C bridges in inline functions
• KT-78819 K2: False positive ABSTRACT_MEMBER_NOT_IMPLEMENTED in KJK hierarchy
• KT-80003 Kotlin/Native: deprecate eager GlobalData initialization
• KT-79231 Inconsistent InnerClass entry flags for abstract inner enum
• KT-20677 Improve diagnostic about implicit default constructor absence for expected annotation class
• KT-81385 Missing error of nullable expression in class literal in case of reified type parameter
• KT-81251 Smartcast doesn't work for an effectively private inline function
• KT-81245 Automatic smart cast on properties with EBF is allowed on inlined property accessors
• KT-81222 Custom getter is allowed on a property with redundant EBF
• KT-80795 Wrong type cast is added for IMPLICIT_COERCION_TO_UNIT
• KT-81141 Fix FirUnsupportedArrayLiteralChecker to forbid array literals inside non-annotation contexts
• KT-81383 Return type of anonymous function used as run argument is incorrectly inferred to Nothing
• KT-80577 "Return type mismatch" for self-referential types used as generic parameters
• KT-75215 KDoc: references from @param tag are rendered as plain text
• KT-79887 K2 Compiler Internal Error in 'FirFakeOverrideGenerator.checkStatusIsResolved' Method
• KT-78125 false-negative shadowed contextual overload warning on local declarations
• 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-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80285 IJ monorepo: broken compilation after 2.2.20-RC update
• KT-81115 Allow converting lambda with explicit parameter when assigning to variable of an extension function type
• KT-74588 Redundant checkNotNull intrinsics instructions for Java generic methods
• KT-78390 Unmute FusStatisticsIT.testKotlinxPlugins() after AtomicFU updates kotlin-metadata-jvm
• KT-79369 Forbid typealiasing for all compiler-required annotations
• KT-69294 K2: Report CONSTRUCTOR_OR_SUPERTYPE_ON_TYPEALIAS_WITH_TYPE_PROJECTION_ERROR instead of EXPANDED_TYPE_CANNOT_BE_INHERITED after switching to LV 2.2
• KT-81064 Wrong safe call null check handling during redundant casts optimization
• KT-80871 StackOverflowError on AnnotationTarget.TYPE
• KT-80908 K2: Compiling type annotation with self-annotated vararg fail with exception
• KT-81018 ISE "IR class for Foo not found" on missing dependency when lowering SAM constructor
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE : @PublishedApi doesn't work for fun interfaces
• KT-75748 StackOverflowError when reading array from metadata annotations
• KT-80606 KotlinIllegalArgumentExceptionWithAttachments when using property itself in explicit backing field initialization
• KT-80940 K2: Exception in FIR2IR with AnnotationTarget.TYPE with self-annotated non-vararg default argument and usage in child module
• KT-80538 KaFirDiagnostic.EmptyRange doesn't work in most of the cases
• KT-80524 Class is not abstract and does not implement abstract member when compiling with kotlinc-jklib
• KT-80597 Apply fix for CVE-2024-7254 to our fork of protobuf 2.6.1
• KT-80849 K2: ConstValueProviderImpl doesn't distinguish files with same name and package
• KT-80602 Exhaustiveness checker improvements for 2.3
• KT-80735 Support || return/throw shortcut in unsed return value checker
• KT-79651 Report a warning about an unused return value only on the function name
• KT-80719 False positive: "Redundant visibility modifier": when overriding protected methods as "public"
• KT-80434 K2: DSL marker doesn't work with lambda fields
• KT-80383 Getter without a body is allowed on a property with an explicit backing field
• KT-80446 Explicit visibility modifiers are allowed on EBF
• KT-80378 ClassCastException on callable reference to a property with EBF
• KT-80377 Fir2Ir: "Cannot determine expected receiver type" for callable reference to a property with EBF outside of class
• KT-80455 K2: StackOverflowError in when exhaustiveness checker on red code
• KT-72862 [Native caches] Umbrella for failing codegen/box tests for corner cases in synthetic accessors
• KT-20278 NO_TYPE_ARGUMENTS_ON_RHS: Confusing diagnostic for inner class of generic outer class
• KT-80418 Property with EBF with functional type isn't resolved if its type is Any
• KT-80469 Functional type from property is always used for explicit backing field
• KT-80535 Missing INITIALIZER_TYPE_MISMATCH for EBF
• KT-80445 Private visibility is possible for a property with EBF
• KT-80164 Move name generation for unnamed context parameters to frontend
• KT-80684 Line breaks are lost in multi-line diagnostic messages since 2.3.0
• KT-78112 RETURN_VALUE_NOT_USED is reported for local function even if it isn't marked with annotation in CHECKER mode
• KT-48311 Incorrect LINENUMBER after if with a suspend call
• KT-80688 Bad SourceDebugExtension caused by enhanced coroutines debugging
• KT-73851 Native: compilation fails with ClassCastException with genericSafeCasts=true
• KT-77593 Add a warning when @IgnorableReturnValue is inconsistent between expect/actual functions
• KT-79386 Confusing error message when named parameters are used for java method calls
• KT-80600 K2: Private and final modifiers are allowed on setter of open delegated property
• KT-77101 Invoke on callable reference is considered ignorable
• KT-79923 Remove lookup of @IgnorableReturnValue annotation from FirReturnValueOverrideChecker
• KT-80517 Synthetic kotlin.Any members in data classes are missing @MustUseReturnValue
• KT-80194 VAR_TYPE_MISMATCH_ON_OVERRIDE: doesn't mention the inferred type
• KT-80484 K2: ClassCastException due to fake source for implicit lambda parameter (RedundantNullableChecker)
• KT-80592 UninitializedPropertyAccessException when anayzing annotations on members of anonymous classes
• KT-80399 Anonymous Kotlin class incorrectly warns about deprecated java override despite '@Deprecated' annotation
• KT-79610 Adding CocoaPod to Kotlin/Native MPP triggers IR serialization failure and commonizer errors
• KT-79951 Infinite loop in parsing incomplete full form destructuring
• KT-79866 kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error
• KT-79777 Argument type mismatch on value of complex type with a captured raw type argument
• KT-78664 False positive VARIABLE_NEVER_READ and ASSIGNED_VALUE_IS_NEVER_READ on function type variable with splited declaration and assignment
• KT-79496 False positive "when must be exhaustive" in triangle interface/class hierarchy
• KT-79774 KtDestructuringDeclaration.getLPar & getRPar are broken
• KT-80391 K2: Only one context parameter is mentioned in the [NO_CONTEXT_ARGUMENT] diagnostic
• KT-79785 ktypew:kotlin.collections.List already exists error using Swift Export
• KT-78879 "Sealed types cannot be instantiated": Can't instantiate Java-defined sealed Class from Kotlin
• KT-21598 Extension is shadowed by member should not be reported when member is deprecated with HIDDEN level
• KT-79622 FUNCTION_EXPECTED: Misleading 'expression cannot be invoked as a function' when inaccessible with private lambda
• KT-80255 [EXTENSION_FUNCTION_IN_EXTERNAL_DECLARATION] can be attached to the receiver type of a functional type
• KT-79816 Java Interfaces implemented by delegation have non-null return checks
• KT-80177 Improve message of RECEIVER_SHADOWED_BY_CONTEXT_PARAMETER in case of member extension
• KT-79770 There is no RECEIVER_SHADOWED_BY_CONTEXT_PARAMETER if the usage of fun is from inside the class
• KT-79430 False positive EXTENSION_SHADOWED_BY_MEMBER on overridden member extension
• KT-62934 Incorrect line mapping inside inline lambda after non-local return
• KT-79545 K2: no error on crossinline lambda usage in anonymous object base constructor call
• KT-79643 HAS_NEXT_FUNCTION_AMBIGUITY and NEXT_AMBIGUITY diagnostics are always ignored in favor of HAS_NEXT_FUNCTION_NONE_APPLICABLE and NEXT_NONE_APPLICABLE
• KT-79327 Modifier 'private' is not applicable to 'value parameter' is reported for context parameters
• KT-76453 K2 IDE: autocomplete freeze
• KT-77182 A function in a file annotated with @file:MustUseReturnValue doesn't produce a warning when it is used from compiled code
• KT-78541 Jspecify: Unsound platform type despite @NullMarked for an override with a generic-subclass return type
• KT-79672 'when expression must be exhaustive' even after using 'require()'
• KT-71306 K2 IDE / Kotlin Debugger: “Cannot find local variable 'block' with type kotlin.jvm.functions.Function0” on evaluating lambda arg inside inline function
• KT-76991 K2 IDE / Kotlin Debugger: ISE “Couldn't find declaration file for” on evaluating local fun when the scope has also inline fun from another file call
• KT-79877 K2 IDE / Kotlin Debugger: failed evaluations of a code fragment capturing local data class
• KT-77401 [FIR] ParameterNameTypeAttribute.name doesn't support @ParameterName with compile-time constant property argument
• KT-79682 Fix partially uninitialized locals after coroutine spills insertion
• KT-79562 NPE when passing non-lambda argument of nullable non-suspend function type into function that accepts nullable suspend function type
• KT-79693 NotImplementedError: An operation is not implemented: Unknown file with KMP separate compilation
• KT-79662 Unused return value checker doesn't work for com.google.errorprone.annotations.CheckReturnValue
• KT-79781 Missing MISSING_DEPENDENCY_CLASS when using type alias with inaccessible RHS
• KT-77772 Only report exposed type on qualifier if it's resolved to an object
• KT-79765 K2. Do not report ignore return value for unresolved reference
• KT-79017 False negative REDECLARATION on private nested class
• KT-79519 Nested type alias is unreachable from another module
• KT-72039 StackOverflowError on calling keySet on a Kotlin subclass of Java subclass of ConcurrentHashMap
• KT-75843 K2: incorrect line numbers in an if-expression with a super-call
• KT-77504 Add a warning when @IgnorableReturnValue is inconsistent on overrides
• KT-78389 Perform version 2.3 boostrapping
• KT-79092 Crash on default argument in function in fun interface
• KT-77729 Package-level @NullMarked does not work when kotlinc sees .java source files
• KT-79013 False negative NOT_YET_SUPPORTED_IN_INLINE on inline local functions inside inline functions
• KT-79139 False positive CONFLICTING_OVERLOADS for context parameters instead of receivers
• KT-35305 Address the overload conflict resolution between unsigned and non-primitive types
• KT-42096 No diagnostic reported on inline modifier on an enum entry
• KT-79355 Failed to fix the problem of desugared inc with new reverse implies returns contract
• KT-79277 Implies returns contract doesn't affect the return type of the function if it is in the argument position
• KT-79271 Implies returns contract doesn't impact exhaustiveness
• KT-79218 SMARTCAST_IMPOSSIBLE for top‑level extension‑property getter despite returnsNotNull contract
• KT-79220 returnsNotNull contract ignored on extension function with nullable receiver
• KT-79354 IllegalStateException: Debug metadata version mismatch. Expected: 1, got 2 with compiler 2.2.20-Beta1 and stdlib 2.2.0
• KT-77986 K2: False negative: "Local classes are not yet supported in inline functions"
• KT-79456 Redeclaration conflict checks of private top-level classifiers rely on an incorrect containing file
• KT-79125 RVC full mode: delegated interfaces are not checked
• KT-63720 Coroutine debugger: do not optimise out local variables
• KT-78595 type variable leak on a generic property as a call argument given an unstable smart cast
• KT-79076 'IllegalStateException: Cannot serialize error type: ERROR CLASS: Uninferred type' with Exposed column using recursive generic type
• KT-59807 K2: Replicate the MUST_BE_LATEINIT logic from K1
• KT-76782 K2: Incorrect resolve into unrelated invoke operator with wrong diagnostic
• KT-78066 TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER error message does not account for context parameters
• KT-76065 Drop JavaTypeParameterDefaultRepresentationWithDNN feature
• KT-77808 Inference: recheck the code about DNN-related hacks
• KT-24202 NOTHING_TO_OVERRIDE if super-class reference misses generic arguments
• KT-78909 K2: Missing diagnostics [CYCLIC_INHERITANCE_HIERARCHY] for recursive class inheritance leads to StackOverflowError
• KT-75969 java.lang.IllegalArgumentException: source must not be null on red code
• KT-76902 Omit type-use annotations from diagnostics
• KT-17460 Diagnostics and intention on suspend function that is overriden with non-suspend one.
• KT-56665 K2: false positive RECURSIVE_TYPEALIAS_EXPANSION
• KT-78932 Contracts are allowed for open and overridden property accessors
• KT-77203 FIR: Consider adding destructured type to all COMPONENT_FUNCTION_* diagnostics
• KT-77685 "IllegalArgumentException: Sequence contains more than one matching element"
• KT-78452 Drop redundant frontend structures after fir2ir conversion
• KT-70507 Should parentheses prevent from plus/set operator desugaring?

Compose compiler

New features

• 98d3907 Introduce a compose group analysis module that produces a proguard/R8 mapping from group keys in bytecode.

Fixes

• b/419049140 Disabled memoization in try blocks
• KT-81081 Generate Compose-specific proguard mappings when Compose compiler plugin is applied.
• b/431025881 [Compose] Clean up runtime version checker
• b/365922168 Add java.util.Locale to the list of known stable classes
• b/407549020 Introduce a registry of known stable markers
• b/417989445 Added a diagnostic to restrict usages of runCatching in
  @Composable functions
• KT-80294 Fix crash with inline @Composable function reference
• b/430140896 Fix IrSourcePrinter output for when branch check and typechecks
• CMP-9167 iOS: Platform declaration clash: The following functions have the same IR signature

IDE. Gradle Integration

• KT-46273 MPP: Don't fail import for case of missed platform in source set structure
• KT-46417 [UNRESOLVED_REFERENCE] For project to project dependencies of native platform test source sets
• KT-44845 After update to Kotlin 1.4.30 all external dependencies is unresolved in IDE with kotlin.mpp.enableGranularSourceSetsMetadata=true
• KT-46142 K/N distribution is unavailable from IDE with multiplatform hierarchical project structure enabled

IR. Actualizer

• KT-77337 IrNoExpectSymbolsHandler finds expect class reference after enabling annotation traversal in IR
• KT-80002 Investigate the need for map copying in IrCommonToPlatformDependencyExtractor.kt
• KT-80131 KMP Separate Compilation: No override for FUN IR_EXTERNAL_DECLARATION_STUB name:
• KT-80064 KMP Separate Compilation: ClassCastException: class org.jetbrains.kotlin.ir.symbols.impl.IrTypeAliasSymbolImpl cannot be cast to class org.jetbrains.kotlin.ir.symbols.IrClassSymbol
• KT-80051 KMP Separate Compilation: Actualization of common dependencies failed on 'PROPERTY FAKE_OVERRIDE name:modCount visibility:protected modality:FINAL [fake_override,var]'
• KT-79998 KMP Separate Compilation: java.lang.IllegalStateException: No override for FUN IR_EXTERNAL_DECLARATION_STUB name:

IR. Inlining

New Features

• KT-70360 KLIBs: Uniformly handletypeOf() calls at 1st/2nd stages of compilation

Performance Improvements

• KT-69497 Crossinline lambda is allocated on K/N & JS

Fixes

• KT-78673 Make fakeOverrideLocalGenericBase not using red code
• KT-78537 [Inliner] Incorrect KFunction.name of a reference to inlined local function
• KT-74892 Investigate passing inline lambda as argument of another inline function
• KT-81673 False warnings about ABI change in dependencies in library mode in 2.3.0-Beta1
• KT-81713 [Inliner] Compilation of inline function with recursive call applied to TODO() fails with an internal error
• KT-80653 [IR Inliner] Space: "Local declarations should've been popped out by this point"
• KT-78392 CommonPrefix: Add a way of stopping execution when one of the phases is unsuccessful
• KT-80927 [Native] Review intrinsics with PublishedApi
• KT-81070 [Inliner] kotlin/Any is unbound
• KT-80628 KLIB inliner: Not enough information about the "full" mode
• KT-69516 Double-inlining for Native: Enable visibility checks after 1st phase of inlining
• KT-79334 Unify intrinsics used on 1st phase of IR inliner in KLIB-based compilers
• KT-80610 KLIB inliner: Always apply cross-module inlining to pre-processed inline functions
• KT-80565 KLIB Inliner: Add a special annotation to prohibit inlining of marked inline functions in stdlib on 1st compilation phase
• KT-80883 [Inliner] Run pre-serialization lowerings in all testrunners
• KT-77876 IrVisibilityChecker: Different set of exceptions for 1st and 2nd compilation stages
• KT-80693 [IC] Split IC invalidation tests for cross-module IR Inliner
• KT-79718 KLIB inliner: Emit warning on generation of public synthetic accessor when running in "explicit API mode"
• KT-80226 [IR Inliner] Generate constructor accessors as constructors, not static functions
• KT-80692 [IC] Split IC invalidation tests for intra-module IR Inliner
• KT-77103 [Inliner] IrLocalDelegatedProperty was not serialized, while its symbol and IrRichPropertyReference were.
• KT-80537 The expected error is not emitted from FirJsKlibSyntheticAccessorsTestGenerated and NativeKlibSyntheticAccessorsTestGenerated
• KT-78903 Unify codegen/boxInline tests with codegen/box
• KT-78989 Add missing PL tests for inline functions/property accessors
• KT-79771 kotlinx-coroutines-core: Public synthetic accessor generated with enabled KLIB IR inliner
• KT-79680 IrConstructorSymbolImpl is unbound in lambdaWithoutNonLocalControlflow.kt
• KT-70849 Ensure correct debug info for intra-module IR inlining on the first compilation phase
• KT-79800 JS BE errors with default values when IR inliner is enabled
• KT-79352 Remove excessive validations from ValidateAfterAll... on the first stage
• KT-76599 Migrate IrValidationAfterInliningAllFunctionsPhase to the first stage of compilation
• KT-78245 Synthetic Accessors incorrectly copies default values
• KT-72594 [JS][Native] Add IrInliningFacade to test runners

IR. Interpreter

• KT-72356 K2 Native: IllegalStateException when annotation has the same source range as a constant in another file
• KT-72881 K2: incorrect empty array as annotation argument when parameter has default value

IR. Tree

Fixes

• KT-79371 Fix handling of broken SAM conversion in PL with enabled Rich References
• KT-81952 "IllegalStateException: Callable reference with vararg should not appear at this stage" for callable references to functions with generic vararg parameters
• KT-79739 Static synthetic accessors inside generic classes access its type parameters
• KT-78100 Track and annotate internal annotations with @PublishedApi to enable annotation visibility validation
• KT-80825 Drop IrSerializationSettings.reuseExistingSignaturesForSymbols setting
• KT-79807 Broken IR tree i

[github-actions]

Job Summary for Gradle

Check PR :: kotlin-tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
develocity-api-kotlin	check	9.1.0	❌
dak-example-gradle-project	run --args "buildStartTime>-10h buildTool:gradle"	9.0.0	✅
dak-example-gradle-task-main-…	:buildSrc:dependencies --configuration runtimeClasspath	9.0.0	✅
dak-example-gradle-task-main-…	userBuildPerformanceMetrics --user runner --period=-10h	9.0.0	✅
dak-example-gradle-task-build…	:generateExternalPluginSpecBuilders	9.0.0	✅

[github-actions]

Job Summary for Gradle

Check PR :: kotlin-tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
develocity-api-kotlin	check	9.1.0	❌
dak-example-gradle-project	dependencies --configuration runtimeClasspath	9.0.0	✅
dak-example-gradle-task-main-…	userBuildPerformanceMetrics --user runner --period=-10h	9.0.0	✅
dak-example-gradle-task-main-…	:buildSrc:dependencies --configuration runtimeClasspath	9.0.0	✅
dak-example-gradle-project	run --args "buildStartTime>-10h buildTool:gradle"	9.0.0	✅
dak-example-gradle-task-build…	:generateExternalPluginSpecBuilders	9.0.0	✅

[github-actions]

Job Summary for Gradle

Check PR :: kotlin-tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
develocity-api-kotlin	check	9.1.0	❌