## Changelog ### Compiler - [`KT-82869`](https://youtrack.jetbrains.com/issue/KT-82869) Green-to-Red change in 2.3 after prioritizing non-suspend-function-type overloads ### Libraries - [`KT-82901`](https://youtrack.jetbrains.com/issue/KT-82901) `Long.MIN_VALUE.milliseconds` produces invalid denormalized Duration

## Changelog ### Backend. Wasm - [`KT-82075`](https://youtrack.jetbrains.com/issue/KT-82075) K/Wasm: kotlin.wasm.internal.getSimpleName crashes on iOS Safari older than 26 ### Compiler - [`KT-82138`](https://youtrack.jetbrains.com/issue/KT-82138) Debugger: Cannot evaluate JvmInline value class parameter - [`KT-78413`](https://youtrack.jetbrains.com/issue/KT-78413) Kotlin Debugger: value classes as context parameters have incorrect names in Variables View during debugging - [`KT-80549`](https://youtrack.jetbrains.com/issue/KT-80549) Call of Java method with type parameter bounds: Expected FirResolvedTypeRef with ConeKotlinType but was FirJavaTypeRef - [`KT-82132`](https://youtrack.jetbrains.com/issue/KT-82132) False-positive type mismatch with -language-version 2.2 - [`KT-81988`](https://youtrack.jetbrains.com/issue/KT-81988) K2: Any?.toString() causes NPE inside lambda with Java - [`KT-82022`](https://youtrack.jetbrains.com/issue/KT-82022) K/N: Unexpected "Annotation `@JvmInline` is missing on actual declaration" warning with value classes ### Compose compiler - [`CMP-9167`](https://youtrack.jetbrains.com/issue/CMP-9167) iOS: Platform declaration clash: The following functions have the same IR signature ### IR. Actualizer - [`KT-77337`](https://youtrack.jetbrains.com/issue/KT-77337) `IrNoExpectSymbolsHandler` finds expect class reference after enabling annotation traversal in IR ### IR. Tree - [`KT-81952`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-81967) isSubtypeOf: ClassCastException: CapturedKType cannot be cast to class AbstractKType - [`KT-81619`](https://youtrack.jetbrains.com/issue/KT-81619) Reflection: Function supertype of a FunctionN class has flexible type in new implementation ### JavaScript - [`KT-82005`](https://youtrack.jetbrains.com/issue/KT-82005) KJS: "TypeError: callAgent.jsonRpcCall_ij3z26_k$ is not a function" after code change in 2.3.0-Beta1/2 - [`KT-79514`](https://youtrack.jetbrains.com/issue/KT-79514) java.lang.IllegalStateException: IrClassSymbolImpl is unbound. Signature: kotlin.js/Promise|null[0] on running jsBrowserTest ### Libraries - [`KT-81995`](https://youtrack.jetbrains.com/issue/KT-81995) K/N: CMP: Undefined symbol _kfun:kotlin.time.Duration.kotlin.time.Duration - [`KT-72111`](https://youtrack.jetbrains.com/issue/KT-72111) Change Duration.parseOrNull logic to not throw exceptions internally ### Tools. Compiler Plugin API - [`KT-82099`](https://youtrack.jetbrains.com/issue/KT-82099) Compiler plugin ordering has no effect ### Tools. Gradle - [`KT-79482`](https://youtrack.jetbrains.com/issue/KT-79482) Report webMain / webTest usage in FUS metrics - [`KT-82244`](https://youtrack.jetbrains.com/issue/KT-82244) Conflicting warnings when using AGP 9.0.0-alpha with built-in Kotlin disabled - [`KT-82068`](https://youtrack.jetbrains.com/issue/KT-82068) Workaround iOS Simulator start failure in IT - [`KT-81161`](https://youtrack.jetbrains.com/issue/KT-81161) Gradle plugin api reference: compiler arguments types are not available ### Tools. Gradle. Multiplatform - [`KT-81601`](https://youtrack.jetbrains.com/issue/KT-81601) With `android.builtInKotlin=false` AGP 9.0+, using `kotlin-multiplatform` plugin will fail with a`Class Cast Exception` - [`KT-81980`](https://youtrack.jetbrains.com/issue/KT-81980) KGP warning gives incorrect suggestion for AGP application compatibility ### Tools. Gradle. Native - [`KT-81510`](https://youtrack.jetbrains.com/issue/KT-81510) `commonizeCInterop` exception with 'kotlinNativeBundleConfiguration' not found ### Tools. Maven - [`KT-82180`](https://youtrack.jetbrains.com/issue/KT-82180) kotlin-maven-plugin: IC succeeds after dependent source deletion ### Tools. Wasm - [`KT-82365`](https://youtrack.jetbrains.com/issue/KT-82365) K/Wasm: NodeRun tasks in Wasi depend on kotlinWasmToolingSetup

## Changelog ### Analysis API - [`KT-80303`](https://youtrack.jetbrains.com/issue/KT-80303) Move `:native:analysis-api-klib-reader` to `:libraries:tools` ### Analysis API. Code Compilation - [`KT-80227`](https://youtrack.jetbrains.com/issue/KT-80227) Support unnamed context parameters in evaluation - [`KT-78554`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-73201) K2 IDE: Error while evaluating expressions with local classes ### Analysis API. FIR - [`KT-46375`](https://youtrack.jetbrains.com/issue/KT-46375) Analysis API: Support cross-file class redeclaration checks using indices - [`KT-80471`](https://youtrack.jetbrains.com/issue/KT-80471) Analysis API: Deduplicate equivalent call candidates in `resolveToCallCandidates` - [`KT-79653`](https://youtrack.jetbrains.com/issue/KT-79653) [Analysis API] ContextCollector: BODY context of enum classes doesn't contain enum entries - [`KT-75858`](https://youtrack.jetbrains.com/issue/KT-75858) K2 AA: False positive 'property must be initialized' on incremental analysis with 'field' usage and semicolon in setter - [`KT-80231`](https://youtrack.jetbrains.com/issue/KT-80231) AnnotationArgumentsStateKeepers doesn't restore the initial annotation in some cases - [`KT-80233`](https://youtrack.jetbrains.com/issue/KT-80233) Pull mutation out of AnnotationArgumentsStateKeepers - [`KT-71466`](https://youtrack.jetbrains.com/issue/KT-71466) `LLFirBuiltinsSessionFactory` uses `createCompositeSymbolProvider` - [`KT-76432`](https://youtrack.jetbrains.com/issue/KT-76432) JavaClassUseSiteMemberScope: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl ### Analysis API. Infrastructure - [`KT-80717`](https://youtrack.jetbrains.com/issue/KT-80717) Support IntelliJ Bazel build in the Kotlin Coop development mode ### Analysis API. Light Classes - [`KT-80656`](https://youtrack.jetbrains.com/issue/KT-80656) Duplicate no-args constructor in PSI - [`KT-60490`](https://youtrack.jetbrains.com/issue/KT-60490) Symbol Light Classes: Property accessors from a delegated interface don't present in the delegating class - [`KT-79689`](https://youtrack.jetbrains.com/issue/KT-79689) SymbolLightClassForClassLike.toString() causes PSI tree loading - [`KT-79012`](https://youtrack.jetbrains.com/issue/KT-79012) Add a high-level overview of light classes ### Analysis API. Providers and Caches - [`KT-78882`](https://youtrack.jetbrains.com/issue/KT-78882) K2 AA: Calling containingSymbol on getProgressionLastElement causes exception - [`KT-58325`](https://youtrack.jetbrains.com/issue/KT-58325) Analysis API: Combine `LLKotlinStubBasedLibrarySymbolProvider`s in session dependencies (optimization) - [`KT-77825`](https://youtrack.jetbrains.com/issue/KT-77825) Analysis API: `CheckersComponent` consumes a lot of memory while being unused in LL FIR sessions - [`KT-76526`](https://youtrack.jetbrains.com/issue/KT-76526) Incorrect built-in module is provided for non-JVM sources in Standalone - [`KT-62549`](https://youtrack.jetbrains.com/issue/KT-62549) Analysis API: Cache callables in combined Kotlin symbol providers - [`KT-70721`](https://youtrack.jetbrains.com/issue/KT-70721) LL FIR: investigate possibility of moving `LLFirFirClassByPsiClassProvider . getClassByPsiClass (PsiClass)` to symbol providers - [`KT-72998`](https://youtrack.jetbrains.com/issue/KT-72998) Analysis API: Introduce `getClassLikeSymbolByPsi` to LL FIR symbol providers ### Analysis API. Standalone - [`KT-80573`](https://youtrack.jetbrains.com/issue/KT-80573) Potential performance issue on class ID computation - [`KT-80559`](https://youtrack.jetbrains.com/issue/KT-80559) Try to optimize KotlinStandaloneDeclarationProviderFactory startup for tests - [`KT-71706`](https://youtrack.jetbrains.com/issue/KT-71706) Analysis API Standalone: `StandaloneProjectFactory.createSearchScopeByLibraryRoots` creates inefficient file-based search scopes ### Analysis API. Stubs and Decompilation #### Performance Improvements - [`KT-77097`](https://youtrack.jetbrains.com/issue/KT-77097) Support `ReplaceWith` deprecation annotation argument via stubs #### Fixes - [`KT-77082`](https://youtrack.jetbrains.com/issue/KT-77082) StackOverflowError in CreateFreshTypeVariableSubstitutorStage.shouldBeFlexible - [`KT-80798`](https://youtrack.jetbrains.com/issue/KT-80798) Improve stubs tests coverage - [`KT-75318`](https://youtrack.jetbrains.com/issue/KT-75318) Read context parameter fields from metadata in CallableClsStubBuilder - [`KT-77874`](https://youtrack.jetbrains.com/issue/KT-77874) AA disagrees with the compiler on descriptions of context parameters from binaries in messages for context argument ambiguity errors - [`KT-80350`](https://youtrack.jetbrains.com/issue/KT-80350) Drop K1 decompiler - [`KT-80276`](https://youtrack.jetbrains.com/issue/KT-80276) Implement native coping for stubs - [`KT-79780`](https://youtrack.jetbrains.com/issue/KT-79780) Decompiled MultifileClass has Facade kind - [`KT-79398`](https://youtrack.jetbrains.com/issue/KT-79398) isClsStubCompiledToJvmDefaultImplementation flag is inconsistent for compiled and decompiled stubs - [`KT-79798`](https://youtrack.jetbrains.com/issue/KT-79798) Prettify stub usages in LL stub-based deserializer - [`KT-78949`](https://youtrack.jetbrains.com/issue/KT-78949) AbstractLLStubBasedResolutionTest: tests against real stub-based files - [`KT-80251`](https://youtrack.jetbrains.com/issue/KT-80251) Inconsistent decompiled and compiled stub for properties with an initializer and a delegate - [`KT-74547`](https://youtrack.jetbrains.com/issue/KT-74547) Implement decompiler for K2 - [`KT-79555`](https://youtrack.jetbrains.com/issue/KT-79555) Move KotlinFileStubImpl serialization/deserialization to the Analysis API - [`KT-79487`](https://youtrack.jetbrains.com/issue/KT-79487) "null DefinitelyNotNullType for 'T'" from decompiler - [`KT-60764`](https://youtrack.jetbrains.com/issue/KT-60764) Stub Builder: fix differences between K1 and K2 stub building on decompiled files - [`KT-79484`](https://youtrack.jetbrains.com/issue/KT-79484) An empty enum class with a member decompiles with a synthetic error - [`KT-79730`](https://youtrack.jetbrains.com/issue/KT-79730) Decompiled files have an extra `Kt` suffix - [`KT-79483`](https://youtrack.jetbrains.com/issue/KT-79483) data modifier is not present on object modifier - [`KT-75398`](https://youtrack.jetbrains.com/issue/KT-75398) Local classes from scripts have ClassId in stubs - [`KT-79412`](https://youtrack.jetbrains.com/issue/KT-79412) Context parameters with type annotations cause inconsistency errors while building stubs ### Analysis API. Surface #### New Features - [`KT-64340`](https://youtrack.jetbrains.com/issue/KT-64340) Analysis API: no way to get a type of vararg parameter - [`KT-68387`](https://youtrack.jetbrains.com/issue/KT-68387) AA: provide context for type approximations #### Performance Improvements - [`KT-80713`](https://youtrack.jetbrains.com/issue/KT-80713) Optimize KaDeclarationSymbol#visibility for class-like symbols - [`KT-79097`](https://youtrack.jetbrains.com/issue/KT-79097) KaFirNamedFunctionSymbol#isSuspend shouldn't trigger resolution - [`KT-79095`](https://youtrack.jetbrains.com/issue/KT-79095) isOverride shouldn't trigger resolution if not compiler plugins present #### Fixes - [`KT-78093`](https://youtrack.jetbrains.com/issue/KT-78093) Add bridges for context parameters - [`KT-79328`](https://youtrack.jetbrains.com/issue/KT-79328) K2 AA, isUsedAsExpression: Unhandled Non-KtExpression parent of KtExpression: class org.jetbrains.kotlin.psi.KtImportDirective - [`KT-80366`](https://youtrack.jetbrains.com/issue/KT-80366) IllegalStateException from KaFirStopWorldCacheCleaner - [`KT-80274`](https://youtrack.jetbrains.com/issue/KT-80274) Merge AbstractMultiModuleSymbolByPsiTest to AbstractSymbolByPsiTest - [`KT-80352`](https://youtrack.jetbrains.com/issue/KT-80352) KaBaseResolutionScope.contains(PsiElement) always returns false for Android light classes (e.g. synthetic R.java classes) - [`KT-80234`](https://youtrack.jetbrains.com/issue/KT-80234) Incorrect value of `isActual` for the implicitly `actual` constructor of annotation class - [`KT-80178`](https://youtrack.jetbrains.com/issue/KT-80178) Incorrect modality for an abstract interface function with a redundant `open` modifier - [`KT-79129`](https://youtrack.jetbrains.com/issue/KT-79129) [Analysis API] `KaFe10TypeCreator.buildClassType` cannot build builtin types by class ids - [`KT-79143`](https://youtrack.jetbrains.com/issue/KT-79143) AA: `argumentMapping` contains an expression that is not an argument - [`KT-59857`](https://youtrack.jetbrains.com/issue/KT-59857) KaExpressionTypeProvider#returnType shouldn't throw an exception for class like declarations - [`KT-79667`](https://youtrack.jetbrains.com/issue/KT-79667) Enable resolve on java record components in standalone mode - [`KT-73050`](https://youtrack.jetbrains.com/issue/KT-73050) `KaFirSymbolRelationProvider#expectsForActual`: suspicius logic for KaReceiverParameterSymbol - [`KT-78904`](https://youtrack.jetbrains.com/issue/KT-78904) KaBaseWriteActionStartedChecker throws when no additional WA was done - [`KT-79281`](https://youtrack.jetbrains.com/issue/KT-79281) Add KDoc to `KaTypePointer#restore` - [`KT-78597`](https://youtrack.jetbrains.com/issue/KT-78597) KaUseSiteVisibilityChecker returns false for internal functions exposed via implicit receiver - [`KT-71705`](https://youtrack.jetbrains.com/issue/KT-71705) FIR api impl: Postfix increment expression's `expressionType` is Unit when incrementing array element - [`KT-75057`](https://youtrack.jetbrains.com/issue/KT-75057) Analysis API: Reference to object through typealias in invoke operator call leads to original type ### Backend. Native. Debug - [`KT-79848`](https://youtrack.jetbrains.com/issue/KT-79848) Flaky debugger tests in opt.debug/cache.*/GC.CMS/GC.sch.ad/alloc.custom configuration ### Backend. Wasm #### New Features - [`KT-59032`](https://youtrack.jetbrains.com/issue/KT-59032) Support instantiation of annotation classes on WASM #### Fixes - [`KT-69621`](https://youtrack.jetbrains.com/issue/KT-69621) K/Wasm: Consider enabling support for KClass.qualifiedName by default - [`KT-80018`](https://youtrack.jetbrains.com/issue/KT-80018) K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit) - [`KT-66072`](https://youtrack.jetbrains.com/issue/KT-66072) K/Wasm: improve how exceptions work in JS interop - [`KT-80106`](https://youtrack.jetbrains.com/issue/KT-80106) devServer in Kotlin/Wasm overwrites defaults, causing missing static paths - [`KT-80210`](https://youtrack.jetbrains.com/issue/KT-80210) Wasm: "Unexpected non-external class: kotlin.Nothing" caused by JsExport with JsPromise - [`KT-80555`](https://youtrack.jetbrains.com/issue/KT-80555) WASM IC: Can't link symbol on kotlinx.coroutines on fresh master - [`KT-80415`](https://youtrack.jetbrains.com/issue/KT-80415) WasmJs Number Elvis Operator Crash - [`KT-76509`](https://youtrack.jetbrains.com/issue/KT-76509) WasmJS: ReferenceError: Temporal is not defined caused by "Redundant reference to unused external results" - [`KT-79317`](https://youtrack.jetbrains.com/issue/KT-79317) [Wasm] Do not throw CCE for ExcludedFromCodegen declarations - [`KT-78036`](https://youtrack.jetbrains.com/issue/KT-78036) K/Wasm: generate a message with "expected" and "actual" types in case of CCE ### Compiler #### New Features - [`KT-77676`](https://youtrack.jetbrains.com/issue/KT-77676) K/N: enable typechecks and the casts optimization pass in debug mode by default - [`KT-80768`](https://youtrack.jetbrains.com/issue/KT-80768) Warning on overloading by a superset of context parameters in class context - [`KT-79185`](https://youtrack.jetbrains.com/issue/KT-79185) Support for local type aliases - [`KT-80461`](https://youtrack.jetbrains.com/issue/KT-80461) K2: false positive NO_ELSE_IN_WHEN for complex sealed hierarchy - [`KT-79380`](https://youtrack.jetbrains.com/issue/KT-79380) Native: add performance measurement for the rest of backend phases - [`KT-79381`](https://youtrack.jetbrains.com/issue/KT-79381) Native: add performance measurement of LLVM phases - [`KT-80222`](https://youtrack.jetbrains.com/issue/KT-80222) Implement the prohibition of always-false `is` checks for definitely incompatible types - [`KT-79295`](https://youtrack.jetbrains.com/issue/KT-79295) Parse and build raw FIR from new short and full forms of positional destructuring with square brackets - [`KT-74810`](https://youtrack.jetbrains.com/issue/KT-74810) Support typealiased/mapped Java types in unused return value checker - [`KT-71244`](https://youtrack.jetbrains.com/issue/KT-71244) Incorporate existing `@CheckReturnValue` annotation(s) into Kotlin's unused return value checker - [`KT-79922`](https://youtrack.jetbrains.com/issue/KT-79922) Record 'MustUse/ExplicitlyIgnorable' state for overrides even in disabled RVC mode - [`KT-79920`](https://youtrack.jetbrains.com/issue/KT-79920) Store 'Explicitly ignorable' state of function/property in the metadata - [`KT-79690`](https://youtrack.jetbrains.com/issue/KT-79690) Implement a USELESS_ELVIS_LEFT_IS_NULL with elvis expression - [`KT-79296`](https://youtrack.jetbrains.com/issue/KT-79296) Implement/adapt diagnostics for new destructuring - [`KT-79298`](https://youtrack.jetbrains.com/issue/KT-79298) Report errors on new destructuring syntax in K1 #### Performance Improvements - [`KT-81340`](https://youtrack.jetbrains.com/issue/KT-81340) K/N: severe compilation time degradation after turning on casts optimization pass - [`KT-80554`](https://youtrack.jetbrains.com/issue/KT-80554) Kotlin/Native: investigate performance hit from always-on llvm pass profiling - [`KT-80370`](https://youtrack.jetbrains.com/issue/KT-80370) Add NO_INLINE attribute to some of runtime functions - [`KT-80167`](https://youtrack.jetbrains.com/issue/KT-80167) K/N: condense the nodes and edges in DevirtualizationAnalysis constraint graph - [`KT-79535`](https://youtrack.jetbrains.com/issue/KT-79535) Revert incorrect SAM conversion enhancements brought to K2 #### Fixes - [`KT-81257`](https://youtrack.jetbrains.com/issue/KT-81257) Native: "Unexpected boolean predicate" when generating 'static_cache' - [`KT-80864`](https://youtrack.jetbrains.com/issue/KT-80864) K2: Missing `Val cannot be reassigned` diagnostic for Java final fields (crashes in runtime with `IllegalAccessError`) - [`KT-75215`](https://youtrack.jetbrains.com/issue/KT-75215) KDoc: references from `@param` tag are rendered as plain text - [`KT-79887`](https://youtrack.jetbrains.com/issue/KT-79887) K2 Compiler Internal Error in 'FirFakeOverrideGenerator.checkStatusIsResolved' Method - [`KT-78125`](https://youtrack.jetbrains.com/issue/KT-78125) false-negative shadowed contextual overload warning on local declarations - [`KT-79274`](https://youtrack.jetbrains.com/issue/KT-79274) Frontend implementation of name-based destructuring - [`KT-81057`](https://youtrack.jetbrains.com/issue/KT-81057) Wrong handling of boxing during redundant casts optimization - [`KT-80285`](https://youtrack.jetbrains.com/issue/KT-80285) IJ monorepo: broken compilation after 2.2.20-RC update - [`KT-81015`](https://youtrack.jetbrains.com/issue/KT-81015) Mark nested typealiases as stable for 2.3 - [`KT-81064`](https://youtrack.jetbrains.com/issue/KT-81064) Wrong safe call null check handling during redundant casts optimization - [`KT-80744`](https://youtrack.jetbrains.com/issue/KT-80744) Kotlin failure on lambda with type parameter - [`KT-78280`](https://youtrack.jetbrains.com/issue/KT-78280) Implement the sourceless `KtDiagnostic`s - [`KT-78819`](https://youtrack.jetbrains.com/issue/KT-78819) K2: False positive ABSTRACT_MEMBER_NOT_IMPLEMENTED in KJK hierarchy - [`KT-81018`](https://youtrack.jetbrains.com/issue/KT-81018) ISE "IR class for Foo not found" on missing dependency when lowering SAM constructor - [`KT-80936`](https://youtrack.jetbrains.com/issue/KT-80936) NON_PUBLIC_CALL_FROM_PUBLIC_INLINE : `@PublishedApi` doesn't work for fun interfaces - [`KT-75748`](https://youtrack.jetbrains.com/issue/KT-75748) StackOverflowError when reading array from metadata annotations - [`KT-80400`](https://youtrack.jetbrains.com/issue/KT-80400) K2: AbstractMethodError on fun interface implementation inheriting from an interface compiled with -jvm-default=disable - [`KT-80940`](https://youtrack.jetbrains.com/issue/KT-80940) K2: Exception in FIR2IR with AnnotationTarget.TYPE with self-annotated non-vararg default argument and usage in child module - [`KT-80538`](https://youtrack.jetbrains.com/issue/KT-80538) KaFirDiagnostic.EmptyRange doesn't work in most of the cases - [`KT-80524`](https://youtrack.jetbrains.com/issue/KT-80524) Class is not abstract and does not implement abstract member when compiling with kotlinc-jklib - [`KT-80597`](https://youtrack.jetbrains.com/issue/KT-80597) Apply fix for CVE-2024-7254 to our fork of protobuf 2.6.1 - [`KT-80849`](https://youtrack.jetbrains.com/issue/KT-80849) K2: `ConstValueProviderImpl` doesn't distinguish files with same name and package - [`KT-80602`](https://youtrack.jetbrains.com/issue/KT-80602) Exhaustiveness checker improvements for 2.3 - [`KT-80735`](https://youtrack.jetbrains.com/issue/KT-80735) Support || return/throw shortcut in unsed return value checker - [`KT-79651`](https://youtrack.jetbrains.com/issue/KT-79651) Report a warning about an unused return value only on the function name - [`KT-80719`](https://youtrack.jetbrains.com/issue/KT-80719) False positive: "Redundant visibility modifier": when overriding protected methods as "public" - [`KT-80711`](https://youtrack.jetbrains.com/issue/KT-80711) IC Native: NPE during link on ktor - [`KT-80795`](https://youtrack.jetbrains.com/issue/KT-80795) Wong type cast is added for IMPLICIT_COERCION_TO_UNIT - [`KT-80434`](https://youtrack.jetbrains.com/issue/KT-80434) K2: DSL marker doesn't work with lambda fields - [`KT-80383`](https://youtrack.jetbrains.com/issue/KT-80383) Getter without a body is allowed on a property with an explicit backing field - [`KT-80455`](https://youtrack.jetbrains.com/issue/KT-80455) K2: StackOverflowError in when exhaustiveness checker on red code - [`KT-72862`](https://youtrack.jetbrains.com/issue/KT-72862) [Native caches] Umbrella for failing codegen/box tests for corner cases in synthetic accessors - [`KT-20278`](https://youtrack.jetbrains.com/issue/KT-20278) NO_TYPE_ARGUMENTS_ON_RHS: Confusing diagnostic for inner class of generic outer class - [`KT-80164`](https://youtrack.jetbrains.com/issue/KT-80164) Move name generation for unnamed context parameters to frontend - [`KT-78112`](https://youtrack.jetbrains.com/issue/KT-78112) RETURN_VALUE_NOT_USED is reported for local function even if it isn't marked with annotation in CHECKER mode - [`KT-48311`](https://youtrack.jetbrains.com/issue/KT-48311) Incorrect LINENUMBER after if with a suspend call - [`KT-80688`](https://youtrack.jetbrains.com/issue/KT-80688) Bad SourceDebugExtension caused by enhanced coroutines debugging - [`KT-73851`](https://youtrack.jetbrains.com/issue/KT-73851) Native: compilation fails with ClassCastException with genericSafeCasts=true - [`KT-77593`](https://youtrack.jetbrains.com/issue/KT-77593) Add a warning when `@IgnorableReturnValue` is inconsistent between expect/actual functions - [`KT-78895`](https://youtrack.jetbrains.com/issue/KT-78895) Consider dropping isLocalInFunction and FirClassLikeDeclaration.isLocal - [`KT-79386`](https://youtrack.jetbrains.com/issue/KT-79386) Confusing error message when named parameters are used for java method calls - [`KT-80600`](https://youtrack.jetbrains.com/issue/KT-80600) K2: Private and final modifiers are allowed on setter of open delegated property - [`KT-79783`](https://youtrack.jetbrains.com/issue/KT-79783) KDoc parser: Links aren't rendered if the line has an indent of 4 or more - [`KT-77101`](https://youtrack.jetbrains.com/issue/KT-77101) Invoke on callable reference is considered ignorable - [`KT-79923`](https://youtrack.jetbrains.com/issue/KT-79923) Remove lookup of `@IgnorableReturnValue` annotation from FirReturnValueOverrideChecker - [`KT-80517`](https://youtrack.jetbrains.com/issue/KT-80517) Synthetic kotlin.Any members in data classes are missing `@MustUseReturnValue` - [`KT-80194`](https://youtrack.jetbrains.com/issue/KT-80194) VAR_TYPE_MISMATCH_ON_OVERRIDE: doesn't mention the inferred type - [`KT-80484`](https://youtrack.jetbrains.com/issue/KT-80484) K2: ClassCastException due to fake source for implicit lambda parameter (RedundantNullableChecker) - [`KT-79979`](https://youtrack.jetbrains.com/issue/KT-79979) K2: ClassCastException when overriding extension property with delegation - [`KT-80592`](https://youtrack.jetbrains.com/issue/KT-80592) `UninitializedPropertyAccessException` when anayzing annotations on members of anonymous classes - [`KT-80399`](https://youtrack.jetbrains.com/issue/KT-80399) Anonymous Kotlin class incorrectly warns about deprecated java override despite '`@Deprecated`' annotation - [`KT-79610`](https://youtrack.jetbrains.com/issue/KT-79610) Adding CocoaPod to Kotlin/Native MPP triggers IR serialization failure and commonizer errors - [`KT-79866`](https://youtrack.jetbrains.com/issue/KT-79866) kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error - [`KT-78664`](https://youtrack.jetbrains.com/issue/KT-78664) False positive VARIABLE_NEVER_READ and ASSIGNED_VALUE_IS_NEVER_READ on function type variable with splited declaration and assignment - [`KT-79496`](https://youtrack.jetbrains.com/issue/KT-79496) False positive "when must be exhaustive" in triangle interface/class hierarchy - [`KT-79774`](https://youtrack.jetbrains.com/issue/KT-79774) KtDestructuringDeclaration.getLPar & getRPar are broken - [`KT-79442`](https://youtrack.jetbrains.com/issue/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-80391`](https://youtrack.jetbrains.com/issue/KT-80391) K2: Only one context parameter is mentioned in the [NO_CONTEXT_ARGUMENT] diagnostic - [`KT-79785`](https://youtrack.jetbrains.com/issue/KT-79785) ktypew:kotlin.collections.List already exists error using Swift Export - [`KT-78879`](https://youtrack.jetbrains.com/issue/KT-78879) "Sealed types cannot be instantiated": Can't instantiate Java-defined sealed Class from Kotlin - [`KT-80330`](https://youtrack.jetbrains.com/issue/KT-80330) K2: NPE at org.jetbrains.kotlin.fir.resolve.calls.FirCallResolver.createResolvedNamedReference - [`KT-21598`](https://youtrack.jetbrains.com/issue/KT-21598) Extension is shadowed by member should not be reported when member is deprecated with HIDDEN level - [`KT-79622`](https://youtrack.jetbrains.com/issue/KT-79622) FUNCTION_EXPECTED: Misleading 'expression cannot be invoked as a function' when inaccessible with private lambda - [`KT-80255`](https://youtrack.jetbrains.com/issue/KT-80255) [EXTENSION_FUNCTION_IN_EXTERNAL_DECLARATION] can be attached to the receiver type of a functional type - [`KT-79816`](https://youtrack.jetbrains.com/issue/KT-79816) Java Interfaces implemented by delegation have non-null return checks - [`KT-80177`](https://youtrack.jetbrains.com/issue/KT-80177) Improve message of RECEIVER_SHADOWED_BY_CONTEXT_PARAMETER in case of member extension - [`KT-79770`](https://youtrack.jetbrains.com/issue/KT-79770) There is no RECEIVER_SHADOWED_BY_CONTEXT_PARAMETER if the usage of fun is from inside the class - [`KT-79430`](https://youtrack.jetbrains.com/issue/KT-79430) False positive EXTENSION_SHADOWED_BY_MEMBER on overridden member extension - [`KT-62934`](https://youtrack.jetbrains.com/issue/KT-62934) Incorrect line mapping inside inline lambda after non-local return - [`KT-79545`](https://youtrack.jetbrains.com/issue/KT-79545) K2: no error on crossinline lambda usage in anonymous object base constructor call - [`KT-79643`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-79327) Modifier 'private' is not applicable to 'value parameter' is reported for context parameters - [`KT-76453`](https://youtrack.jetbrains.com/issue/KT-76453) K2 IDE: autocomplete freeze - [`KT-77182`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-78541) Jspecify: Unsound platform type despite `@NullMarked` for an override with a generic-subclass return type - [`KT-79672`](https://youtrack.jetbrains.com/issue/KT-79672) 'when expression must be exhaustive' even after using 'require()' - [`KT-71306`](https://youtrack.jetbrains.com/issue/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-80003`](https://youtrack.jetbrains.com/issue/KT-80003) Kotlin/Native: deprecate eager GlobalData initialization - [`KT-76991`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-79877) K2 IDE / Kotlin Debugger: failed evaluations of a code fragment capturing local data class - [`KT-77401`](https://youtrack.jetbrains.com/issue/KT-77401) [FIR] `ParameterNameTypeAttribute.name` doesn't support `@ParameterName` with compile-time constant property argument - [`KT-79682`](https://youtrack.jetbrains.com/issue/KT-79682) Fix partially uninitialized locals after coroutine spills insertion - [`KT-79276`](https://youtrack.jetbrains.com/issue/KT-79276) Dexing fails with "Cannot read field X because <local0> is null" with 2.2.0 - [`KT-79562`](https://youtrack.jetbrains.com/issue/KT-79562) NPE when passing non-lambda argument of nullable non-suspend function type into function that accepts nullable suspend function type - [`KT-79693`](https://youtrack.jetbrains.com/issue/KT-79693) NotImplementedError: An operation is not implemented: Unknown file with KMP separate compilation - [`KT-79662`](https://youtrack.jetbrains.com/issue/KT-79662) Unused return value checker doesn't work for com.google.errorprone.annotations.CheckReturnValue - [`KT-79781`](https://youtrack.jetbrains.com/issue/KT-79781) Missing MISSING_DEPENDENCY_CLASS when using type alias with inaccessible RHS - [`KT-79547`](https://youtrack.jetbrains.com/issue/KT-79547) "UnsupportedOperationException: Not supported" with inlining and value classes - [`KT-77772`](https://youtrack.jetbrains.com/issue/KT-77772) Only report exposed type on qualifier if it's resolved to an object - [`KT-79765`](https://youtrack.jetbrains.com/issue/KT-79765) K2. Do not report ignore return value for unresolved reference - [`KT-76343`](https://youtrack.jetbrains.com/issue/KT-76343) Drop language version 1.8 - [`KT-79017`](https://youtrack.jetbrains.com/issue/KT-79017) False negative REDECLARATION on private nested class - [`KT-72039`](https://youtrack.jetbrains.com/issue/KT-72039) StackOverflowError on calling keySet on a Kotlin subclass of Java subclass of ConcurrentHashMap - [`KT-79451`](https://youtrack.jetbrains.com/issue/KT-79451) Rework approach to recursive types approximation - [`KT-75843`](https://youtrack.jetbrains.com/issue/KT-75843) K2: incorrect line numbers in an if-expression with a super-call - [`KT-77504`](https://youtrack.jetbrains.com/issue/KT-77504) Add a warning when `@IgnorableReturnValue` is inconsistent on overrides - [`KT-78389`](https://youtrack.jetbrains.com/issue/KT-78389) Perform version 2.3 boostrapping - [`KT-79092`](https://youtrack.jetbrains.com/issue/KT-79092) Crash on default argument in function in fun interface - [`KT-77729`](https://youtrack.jetbrains.com/issue/KT-77729) Package-level `@NullMarked` does not work when kotlinc sees .java *source* files - [`KT-79013`](https://youtrack.jetbrains.com/issue/KT-79013) False negative `NOT_YET_SUPPORTED_IN_INLINE` on inline local functions inside inline functions - [`KT-79139`](https://youtrack.jetbrains.com/issue/KT-79139) False positive CONFLICTING_OVERLOADS for context parameters instead of receivers - [`KT-35305`](https://youtrack.jetbrains.com/issue/KT-35305) Address the overload conflict resolution between unsigned and non-primitive types - [`KT-42096`](https://youtrack.jetbrains.com/issue/KT-42096) No diagnostic reported on `inline` modifier on an enum entry - [`KT-79355`](https://youtrack.jetbrains.com/issue/KT-79355) Failed to fix the problem of desugared `inc` with new reverse implies returns contract - [`KT-79277`](https://youtrack.jetbrains.com/issue/KT-79277) Implies returns contract doesn't affect the return type of the function if it is in the argument position - [`KT-79271`](https://youtrack.jetbrains.com/issue/KT-79271) Implies returns contract doesn't impact exhaustiveness - [`KT-79218`](https://youtrack.jetbrains.com/issue/KT-79218) SMARTCAST_IMPOSSIBLE for top‑level extension‑property getter despite returnsNotNull contract - [`KT-79220`](https://youtrack.jetbrains.com/issue/KT-79220) returnsNotNull contract ignored on extension function with nullable receiver - [`KT-79354`](https://youtrack.jetbrains.com/issue/KT-79354) IllegalStateException: Debug metadata version mismatch. Expected: 1, got 2 with compiler 2.2.20-Beta1 and stdlib 2.2.0 - [`KT-77986`](https://youtrack.jetbrains.com/issue/KT-77986) K2: False negative: "Local classes are not yet supported in inline functions" - [`KT-79456`](https://youtrack.jetbrains.com/issue/KT-79456) Redeclaration conflict checks of private top-level classifiers rely on an incorrect containing file - [`KT-79125`](https://youtrack.jetbrains.com/issue/KT-79125) RVC full mode: delegated interfaces are not checked - [`KT-63720`](https://youtrack.jetbrains.com/issue/KT-63720) Coroutine debugger: do not optimise out local variables - [`KT-78595`](https://youtrack.jetbrains.com/issue/KT-78595) type variable leak on a generic property as a call argument given an unstable smart cast - [`KT-79076`](https://youtrack.jetbrains.com/issue/KT-79076) 'IllegalStateException: Cannot serialize error type: ERROR CLASS: Uninferred type' with Exposed column using recursive generic type - [`KT-75797`](https://youtrack.jetbrains.com/issue/KT-75797) Native: find a way to handle generates C bridges in inline functions - [`KT-59807`](https://youtrack.jetbrains.com/issue/KT-59807) K2: Replicate the MUST_BE_LATEINIT logic from K1 - [`KT-76782`](https://youtrack.jetbrains.com/issue/KT-76782) K2: Incorrect resolve into unrelated invoke operator with wrong diagnostic - [`KT-78066`](https://youtrack.jetbrains.com/issue/KT-78066) TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER error message does not account for context parameters - [`KT-76136`](https://youtrack.jetbrains.com/issue/KT-76136) Switch latest stable version in Kotlin project to 2.3 - [`KT-78881`](https://youtrack.jetbrains.com/issue/KT-78881) K2: False positive "Assigned value is never read" in composable function - [`KT-76065`](https://youtrack.jetbrains.com/issue/KT-76065) Drop JavaTypeParameterDefaultRepresentationWithDNN feature - [`KT-77808`](https://youtrack.jetbrains.com/issue/KT-77808) Inference: recheck the code about DNN-related hacks - [`KT-24202`](https://youtrack.jetbrains.com/issue/KT-24202) NOTHING_TO_OVERRIDE if super-class reference misses generic arguments - [`KT-78909`](https://youtrack.jetbrains.com/issue/KT-78909) K2: Missing diagnostics [CYCLIC_INHERITANCE_HIERARCHY] for recursive class inheritance leads to StackOverflowError - [`KT-75969`](https://youtrack.jetbrains.com/issue/KT-75969) java.lang.IllegalArgumentException: source must not be null on red code - [`KT-76902`](https://youtrack.jetbrains.com/issue/KT-76902) Omit type-use annotations from diagnostics - [`KT-58988`](https://youtrack.jetbrains.com/issue/KT-58988) K2: Deprecate exposing package-private parameter of internal method - [`KT-17460`](https://youtrack.jetbrains.com/issue/KT-17460) Diagnostics and intention on suspend function that is overriden with non-suspend one. - [`KT-56665`](https://youtrack.jetbrains.com/issue/KT-56665) K2: false positive RECURSIVE_TYPEALIAS_EXPANSION - [`KT-78932`](https://youtrack.jetbrains.com/issue/KT-78932) Contracts are allowed for open and overridden property accessors - [`KT-77203`](https://youtrack.jetbrains.com/issue/KT-77203) FIR: Consider adding destructured type to all COMPONENT_FUNCTION_* diagnostics - [`KT-76635`](https://youtrack.jetbrains.com/issue/KT-76635) Implement Data-Flow Based Exhaustiveness Support - [`KT-77685`](https://youtrack.jetbrains.com/issue/KT-77685) "IllegalArgumentException: Sequence contains more than one matching element" - [`KT-78452`](https://youtrack.jetbrains.com/issue/KT-78452) Drop redundant frontend structures after fir2ir conversion ### Compose compiler #### New features - [`98d3907`](https://github.com/JetBrains/kotlin/commit/98d39077a9b19c1e6c112dc59982175095ac9f41) Introduce a compose group analysis module that produces a proguard/R8 mapping from group keys in bytecode. #### Fixes - [`b/431025881`](https://issuetracker.google.com/issues/431025881) [Compose] Clean up runtime version checker - [`b/365922168`](https://issuetracker.google.com/issues/365922168) Add `java.util.Locale` to the list of known stable classes - [`b/407549020`](https://issuetracker.google.com/issues/407549020) Introduce a registry of known stable markers - [`b/417989445`](https://issuetracker.google.com/issues/417989445) Added a diagnostic to restrict usages of `runCatching` in `@Composable` functions - [`KT-80294`](https://youtrack.jetbrains.com/issue/KT-80294) Fix crash with inline `@Composable` function reference - [`b/430140896`](https://issuetracker.google.com/issues/430140896) Fix IrSourcePrinter output for when branch check and typechecks ### IDE. Gradle Integration - [`KT-46273`](https://youtrack.jetbrains.com/issue/KT-46273) MPP: Don't fail import for case of missed platform in source set structure - [`KT-46417`](https://youtrack.jetbrains.com/issue/KT-46417) [UNRESOLVED_REFERENCE] For project to project dependencies of native platform test source sets - [`KT-44845`](https://youtrack.jetbrains.com/issue/KT-44845) After update to Kotlin 1.4.30 all external dependencies is unresolved in IDE with kotlin.mpp.enableGranularSourceSetsMetadata=true - [`KT-46142`](https://youtrack.jetbrains.com/issue/KT-46142) K/N distribution is unavailable from IDE with multiplatform hierarchical project structure enabled ### IR. Actualizer - [`KT-80002`](https://youtrack.jetbrains.com/issue/KT-80002) Investigate the need for map copying in IrCommonToPlatformDependencyExtractor.kt - [`KT-80131`](https://youtrack.jetbrains.com/issue/KT-80131) KMP Separate Compilation: No override for FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> - [`KT-80064`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-79998) KMP Separate Compilation: java.lang.IllegalStateException: No override for FUN IR_EXTERNAL_DECLARATION_STUB name:<get-message> - [`KT-77337`](https://youtrack.jetbrains.com/issue/KT-77337) `IrNoExpectSymbolsHandler` finds expect class reference after enabling annotation traversal in IR ### IR. Inlining #### New Features - [`KT-70360`](https://youtrack.jetbrains.com/issue/KT-70360) KLIBs: Uniformly handle`typeOf()` calls at 1st/2nd stages of compilation #### Performance Improvements - [`KT-69497`](https://youtrack.jetbrains.com/issue/KT-69497) Crossinline lambda is allocated on K/N & JS #### Fixes - [`KT-79334`](https://youtrack.jetbrains.com/issue/KT-79334) Unify intrinsics used on 1st phase of IR inliner in KLIB-based compilers - [`KT-80610`](https://youtrack.jetbrains.com/issue/KT-80610) KLIB inliner: Always apply cross-module inlining to pre-processed inline functions - [`KT-80565`](https://youtrack.jetbrains.com/issue/KT-80565) KLIB Inliner: Add a special annotation to prohibit inlining of marked inline functions in stdlib on 1st compilation phase - [`KT-80883`](https://youtrack.jetbrains.com/issue/KT-80883) [Inliner] Run pre-serialization lowerings in all testrunners - [`KT-77876`](https://youtrack.jetbrains.com/issue/KT-77876) IrVisibilityChecker: Different set of exceptions for 1st and 2nd compilation stages - [`KT-80693`](https://youtrack.jetbrains.com/issue/KT-80693) [IC] Split IC invalidation tests for cross-module IR Inliner - [`KT-79718`](https://youtrack.jetbrains.com/issue/KT-79718) KLIB inliner: Emit warning on generation of `public` synthetic accessor when running in "explicit API mode" - [`KT-78537`](https://youtrack.jetbrains.com/issue/KT-78537) [Inliner] Incorrect KFunction.name of a reference to inlined local function - [`KT-80226`](https://youtrack.jetbrains.com/issue/KT-80226) [IR Inliner] Generate constructor accessors as constructors, not static functions - [`KT-80653`](https://youtrack.jetbrains.com/issue/KT-80653) [IR Inliner] Space: "Local declarations should've been popped out by this point" - [`KT-80692`](https://youtrack.jetbrains.com/issue/KT-80692) [IC] Split IC invalidation tests for intra-module IR Inliner - [`KT-77103`](https://youtrack.jetbrains.com/issue/KT-77103) [Inliner] IrLocalDelegatedProperty was not serialized, while its symbol and IrRichPropertyReference were. - [`KT-78392`](https://youtrack.jetbrains.com/issue/KT-78392) CommonPrefix: Add a way of stopping execution when one of the phases is unsuccessful - [`KT-78903`](https://youtrack.jetbrains.com/issue/KT-78903) Unify `codegen/boxInline` tests with `codegen/box` - [`KT-78989`](https://youtrack.jetbrains.com/issue/KT-78989) Add missing PL tests for inline functions/property accessors - [`KT-79771`](https://youtrack.jetbrains.com/issue/KT-79771) kotlinx-coroutines-core: Public synthetic accessor generated with enabled KLIB IR inliner - [`KT-79680`](https://youtrack.jetbrains.com/issue/KT-79680) `IrConstructorSymbolImpl is unbound` in lambdaWithoutNonLocalControlflow.kt - [`KT-70849`](https://youtrack.jetbrains.com/issue/KT-70849) Ensure correct debug info for intra-module IR inlining on the first compilation phase - [`KT-79800`](https://youtrack.jetbrains.com/issue/KT-79800) JS BE errors with default values when IR inliner is enabled - [`KT-79352`](https://youtrack.jetbrains.com/issue/KT-79352) Remove excessive validations from `ValidateAfterAll...` on the first stage - [`KT-76599`](https://youtrack.jetbrains.com/issue/KT-76599) Migrate `IrValidationAfterInliningAllFunctionsPhase` to the first stage of compilation - [`KT-78245`](https://youtrack.jetbrains.com/issue/KT-78245) Synthetic Accessors incorrectly copies default values - [`KT-72594`](https://youtrack.jetbrains.com/issue/KT-72594) [JS][Native] Add IrInliningFacade to test runners ### IR. Interpreter - [`KT-72881`](https://youtrack.jetbrains.com/issue/KT-72881) K2: incorrect empty array as annotation argument when parameter has default value ### IR. Tree #### Fixes - [`KT-77819`](https://youtrack.jetbrains.com/issue/KT-77819) [IR] Fine-tune IrValidator's run after Fir2IR and IR plugins - [`KT-70160`](https://youtrack.jetbrains.com/issue/KT-70160) Remove IrDeclaration.parents after Anvil update - [`KT-80454`](https://youtrack.jetbrains.com/issue/KT-80454) LocalDeclarationsLowering: Clean-up the dead code - [`KT-80819`](https://youtrack.jetbrains.com/issue/KT-80819) Rework IrFileValidator to use Hashmap instead of ClassValue - [`KT-80516`](https://youtrack.jetbrains.com/issue/KT-80516) Kotlin-like IR dump: Don't render tailrec as lateinit - [`KT-79439`](https://youtrack.jetbrains.com/issue/KT-79439) KLIB stdlib symbols loading: Split the result of merging of IrBuiltins with BuiltinSymbolsBase hierarchy into two parts (for 1st & 2nd phases) - [`KT-79437`](https://youtrack.jetbrains.com/issue/KT-79437) KLIB stdlib symbols loading: Drop loading functions from IrBuiltins and migrate usages to SymbolFinder functions and lazy filtering - [`KT-79569`](https://youtrack.jetbrains.com/issue/KT-79569) Unexpected error during DFG phase in Native due to PL issue with SAM conversion represented by rich reference - [`KT-79371`](https://youtrack.jetbrains.com/issue/KT-79371) Fix handling of broken SAM conversion in PL with enabled Rich References - [`KT-76601`](https://youtrack.jetbrains.com/issue/KT-76601) IrValidatorConfig should have all checks disabled by default - [`KT-69662`](https://youtrack.jetbrains.com/issue/KT-69662) Deduplicate function `createTemporaryVariable` - [`KT-79440`](https://youtrack.jetbrains.com/issue/KT-79440) KLIB stdlib symbols loading: Drop BuiltinSymbolsBase from plugin API - [`KT-78960`](https://youtrack.jetbrains.com/issue/KT-78960) [FO] Limit static fake overrides generation for static functions - [`KT-76813`](https://youtrack.jetbrains.com/issue/KT-76813) IR validator: not all symbols/references are visited ### JVM. Reflection - [`KT-76521`](https://youtrack.jetbrains.com/issue/KT-76521) Reflection: change KType representation to avoid dependency on K1 - [`KT-74624`](https://youtrack.jetbrains.com/issue/KT-74624) Reflection: KClassifier.createType(...) ignores annotations parameter - [`KT-80203`](https://youtrack.jetbrains.com/issue/KT-80203) Reflection: provide a way to use legacy K1-based implementation - [`KT-80236`](https://youtrack.jetbrains.com/issue/KT-80236) Reflection: KType.toString for raw types no longer renders "(raw)" - [`KT-79020`](https://youtrack.jetbrains.com/issue/KT-79020) Suspend lambdas return type is shown as ??? in reflection - [`KT-79206`](https://youtrack.jetbrains.com/issue/KT-79206) Reflection: suspend functional type classifier is null - [`KT-74529`](https://youtrack.jetbrains.com/issue/KT-74529) Context parameters support in reflection ### JavaScript #### New Features - [`KT-79284`](https://youtrack.jetbrains.com/issue/KT-79284) Use BigInt64Array for LongArray - [`KT-79394`](https://youtrack.jetbrains.com/issue/KT-79394) Add the possibility to write common external declarations between JS and WasmJS targets #### Performance Improvements - [`KT-57128`](https://youtrack.jetbrains.com/issue/KT-57128) KJS: Use BigInt to represent Long values in ES6 mode #### Fixes - [`KT-81424`](https://youtrack.jetbrains.com/issue/KT-81424) Kotlin/JS: Cannot Get / in a simple running application - [`KT-80873`](https://youtrack.jetbrains.com/issue/KT-80873) KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal - [`KT-56281`](https://youtrack.jetbrains.com/issue/KT-56281) KJS: Can't export suspend functions - [`KT-72833`](https://youtrack.jetbrains.com/issue/KT-72833) KJS: Source maps have incorrect sources paths in `per-file` - [`KT-79926`](https://youtrack.jetbrains.com/issue/KT-79926) Wrong export of interfaces with companions with ES Modules - [`KT-72474`](https://youtrack.jetbrains.com/issue/KT-72474) KJS: `@JsPlainObject` doesn't honour -XXLanguage:+JsAllowInvalidCharsIdentifiersEscaping - [`KT-79644`](https://youtrack.jetbrains.com/issue/KT-79644) BigInt enabled for ES 2015 despite being an ES 2020 feature - [`KT-79089`](https://youtrack.jetbrains.com/issue/KT-79089) KJS: Could not load reporter / Cannot find module 'mocha' when running jsNode tests - [`KT-52771`](https://youtrack.jetbrains.com/issue/KT-52771) KJS: Pair should be exported to JavaScript - [`KT-79704`](https://youtrack.jetbrains.com/issue/KT-79704) Unify variance rendering between JS and other backends - [`KT-69297`](https://youtrack.jetbrains.com/issue/KT-69297) Deprecate referencing inlineable lambdas in `js()` calls - [`KT-80168`](https://youtrack.jetbrains.com/issue/KT-80168) Allow `@JsStatic` inside interface companions - [`KT-80086`](https://youtrack.jetbrains.com/issue/KT-80086) [k/js] Resolving imported string literals - [`KT-79066`](https://youtrack.jetbrains.com/issue/KT-79066) [Kotlin/JS] jsNodeTest fails with SyntaxError when a test file has `@file`:JsExport and useEsModules() is enabled - [`KT-79359`](https://youtrack.jetbrains.com/issue/KT-79359) Kotlin/JS: Suspending function doesn’t return Unit on es2015 - [`KT-77385`](https://youtrack.jetbrains.com/issue/KT-77385) Investigate partial linkage problems for JS HMPP tests - [`KT-79628`](https://youtrack.jetbrains.com/issue/KT-79628) Remove IR nodes from ExportModel - [`KT-79916`](https://youtrack.jetbrains.com/issue/KT-79916) K/JS: "Uncaught TypeError" when using 'Xes-long-as-bigint' in compose-html - [`KT-79050`](https://youtrack.jetbrains.com/issue/KT-79050) KJS / IC: "Unexpected body of primary constructor for processing irClass" - [`KT-79977`](https://youtrack.jetbrains.com/issue/KT-79977) KJS: Long.rotateLeft returns incorrect result when BigInts are enabled - [`KT-70222`](https://youtrack.jetbrains.com/issue/KT-70222) Remove legacy JS BE-related CLI flags - [`KT-78831`](https://youtrack.jetbrains.com/issue/KT-78831) AbstractFunctionReferencesLowering: fragile fake override generation - [`KT-52230`](https://youtrack.jetbrains.com/issue/KT-52230) KSJ IR: Applying identity equality operator to Longs always returns false - [`KT-6675`](https://youtrack.jetbrains.com/issue/KT-6675) KotlinJS: toInt() on external Long throws error - [`KT-79184`](https://youtrack.jetbrains.com/issue/KT-79184) K/JS: Further intrinsify BigInt-backed Long operations ### Klibs #### Performance Improvements - [`KT-80861`](https://youtrack.jetbrains.com/issue/KT-80861) [Klib] Deduplicate IrFileEntry.name - [`KT-80866`](https://youtrack.jetbrains.com/issue/KT-80866) [Klib] Optimize size of IrFileEntry.line_start_offset - [`KT-80438`](https://youtrack.jetbrains.com/issue/KT-80438) Uncached KlibMetadataClassDataFinder.findClassData #### Fixes - [`KT-80298`](https://youtrack.jetbrains.com/issue/KT-80298) K/N: one-stage compilation is broken - [`KT-80099`](https://youtrack.jetbrains.com/issue/KT-80099) KLIB resolver: Could not find file because of missing `klib` extension in resolved symlink path - [`KT-79958`](https://youtrack.jetbrains.com/issue/KT-79958) KLIB tool fails to render IR if there is IrErrorType in a lirbrary - [`KT-75241`](https://youtrack.jetbrains.com/issue/KT-75241) Move ExperimentalLibraryAbiReader to a publishable artifact - [`KT-76260`](https://youtrack.jetbrains.com/issue/KT-76260) Make `IrRichCallableReferencesInKlibs` lang feature stable in LV=2.3 - [`KT-61552`](https://youtrack.jetbrains.com/issue/KT-61552) [PL] IndexOutOfBoundsException in SAM conversion with substituted function - [`KT-74417`](https://youtrack.jetbrains.com/issue/KT-74417) Deduce the metadata version based on LV in KLIB-based backends - [`KT-75980`](https://youtrack.jetbrains.com/issue/KT-75980) [Klib] Reduce serialized size of IrFileEntries for sparse usage of another source files - [`KT-73826`](https://youtrack.jetbrains.com/issue/KT-73826) Deduplicate `IrFileEntry` that is serialized inside `IrInlinedFunctionBlock` ### Language Design - [`KT-76926`](https://youtrack.jetbrains.com/issue/KT-76926) Allow return in expression bodies if return type is specified explicitly - [`KT-23610`](https://youtrack.jetbrains.com/issue/KT-23610) Overload resolution ambiguity for suspend function argument - [`KT-32619`](https://youtrack.jetbrains.com/issue/KT-32619) JS: return Promise when `continuation` is not provided - [`KT-78866`](https://youtrack.jetbrains.com/issue/KT-78866) Warn implicit receiver shadowed by context parameter - [`KT-78976`](https://youtrack.jetbrains.com/issue/KT-78976) Decide if K2 should support local functions inside of local inline functions - [`KT-79308`](https://youtrack.jetbrains.com/issue/KT-79308) Ability to actualize empty interfaces as Any - [`KT-48872`](https://youtrack.jetbrains.com/issue/KT-48872) Provide modern and performant replacement for Enum.values() ### Libraries #### New Features - [`KT-31400`](https://youtrack.jetbrains.com/issue/KT-31400) Add smartcast for `isArrayOf` - [`KT-78463`](https://youtrack.jetbrains.com/issue/KT-78463) Annotate wasm and JS targets of kotlin-stdlib with `@IgnorableReturnValue` when appropriate - [`KT-74444`](https://youtrack.jetbrains.com/issue/KT-74444) EnumEntries type should implement RandomAccess - [`KT-78462`](https://youtrack.jetbrains.com/issue/KT-78462) Annotate kotlin-stdlib-jvm with `@IgnorableReturnValue` where appropriate #### Fixes - [`KT-80778`](https://youtrack.jetbrains.com/issue/KT-80778) Stabilize kotlin.time.Clock and kotlin.time.Instant - [`KT-80619`](https://youtrack.jetbrains.com/issue/KT-80619) [KLIBs] Enable intra-module inliner in stdlib & kotlin-test - [`KT-76773`](https://youtrack.jetbrains.com/issue/KT-76773) stdlib: contextOf's type argument can be inferred via contextOf's context argument - [`KT-71822`](https://youtrack.jetbrains.com/issue/KT-71822) Intersection with (subtraction from) an identity set may produce incorrect results - [`KT-74411`](https://youtrack.jetbrains.com/issue/KT-74411) Introduce Uuid.generateV4() and generateV7() - [`KT-80605`](https://youtrack.jetbrains.com/issue/KT-80605) Rename MustUseReturnValue -> MustUseReturnValues - [`KT-56822`](https://youtrack.jetbrains.com/issue/KT-56822) Deprecate Number.toChar() with error deprecation level - [`KT-69947`](https://youtrack.jetbrains.com/issue/KT-69947) KLIB stdlib: All intrinsics that can be used in KLIBs with inlined IR must be included in stdlib ABI dump - [`KT-59044`](https://youtrack.jetbrains.com/issue/KT-59044) Improve various aspects of TimeSource documentation - [`KT-80544`](https://youtrack.jetbrains.com/issue/KT-80544) Mark controversial path extensions (like .deleteRecursively()) as ignorable - [`KT-80603`](https://youtrack.jetbrains.com/issue/KT-80603) K/N and K/Wasm: \p{N} category is not supported - [`KT-79192`](https://youtrack.jetbrains.com/issue/KT-79192) Increase InputStream.readBytes(Int) deprecation level to HIDDEN - [`KT-80661`](https://youtrack.jetbrains.com/issue/KT-80661) ArrayDeque.lastIndexOf may return -1 for an element present in the deque - [`KT-80390`](https://youtrack.jetbrains.com/issue/KT-80390) ArrayDeque.indexOf(null) wrongly returns 0 after removals - [`KT-79094`](https://youtrack.jetbrains.com/issue/KT-79094) Change signature of assertFailsWith or make lambda excluded otherwise - [`KT-72028`](https://youtrack.jetbrains.com/issue/KT-72028) Incorrect parameters order in IndexedValue documentation - [`KT-80130`](https://youtrack.jetbrains.com/issue/KT-80130) [stdlib] Commonize AssociatedObjects in commonNonJvmMain - [`KT-80107`](https://youtrack.jetbrains.com/issue/KT-80107) [stdlib] Move CancellationException to commonNonJvmMain - [`KT-80179`](https://youtrack.jetbrains.com/issue/KT-80179) Investigate why StringBuilder.length is not enhanced automatically - [`KT-80046`](https://youtrack.jetbrains.com/issue/KT-80046) Increase test coverage of Duration.parse[IsoString][OrNull] methods - [`KT-76459`](https://youtrack.jetbrains.com/issue/KT-76459) Remove comments about sorting stability in unsigned-type arrays - [`KT-79489`](https://youtrack.jetbrains.com/issue/KT-79489) Generate Stdlib API reference for webMain source set - [`KT-78243`](https://youtrack.jetbrains.com/issue/KT-78243) Drop JS- and Wasm-specific IrLinkageError classes - [`KT-79108`](https://youtrack.jetbrains.com/issue/KT-79108) Remove the default argument for `linkageError` from kotlin.js.getPropertyCallableRef - [`KT-79130`](https://youtrack.jetbrains.com/issue/KT-79130) K/JS: Remove bodies from intrinsified Long methods - [`KT-79239`](https://youtrack.jetbrains.com/issue/KT-79239) K/Wasm: elementAt extension function of Array/PrimitiveArray/UnsignedArray does not throw IndexOutOfBoundException on incorrect index - [`KT-79256`](https://youtrack.jetbrains.com/issue/KT-79256) K/Wasm: MatchResult.groups raises a trap on invalid group index - [`KT-57317`](https://youtrack.jetbrains.com/issue/KT-57317) Repack EnumEntries from stdlib into the compiler ### Native - [`KT-79384`](https://youtrack.jetbrains.com/issue/KT-79384) K/N: Application Not Responding: Thread Deadlock - [`KT-80536`](https://youtrack.jetbrains.com/issue/KT-80536) Native: `DependencyDownloader` seems to have no timeout - [`KT-80624`](https://youtrack.jetbrains.com/issue/KT-80624) Bump minimal watchOS supported versions to 7.0 - [`KT-80620`](https://youtrack.jetbrains.com/issue/KT-80620) Bump minimal iOS and tvOS supported versions to 14.0 ### Native. Build Infrastructure - [`KT-80147`](https://youtrack.jetbrains.com/issue/KT-80147) Set proper LV and AV for `kotlin-native/performance/buildSrc` - [`KT-79474`](https://youtrack.jetbrains.com/issue/KT-79474) Kotlin/Native: fix breakpad build - [`KT-79215`](https://youtrack.jetbrains.com/issue/KT-79215) Kotlin/Native: fix distInvalidateStaleCaches on windows ### Native. C and ObjC Import - [`KT-79571`](https://youtrack.jetbrains.com/issue/KT-79571) Xcode 26 beta 4: CInteropKT39120TestGenerated.testForwardEnum failed - [`KT-79753`](https://youtrack.jetbrains.com/issue/KT-79753) Native: support CCall.Direct calls in the compiler - [`KT-80838`](https://youtrack.jetbrains.com/issue/KT-80838) Cinterop fails with an error when Compilation works fine - [`KT-79752`](https://youtrack.jetbrains.com/issue/KT-79752) Native: make cinterop generate CCall.Direct annotations - [`KT-49034`](https://youtrack.jetbrains.com/issue/KT-49034) Kotlin/Native: `cnames.structs.Foo` resolves into wrong declaration ### Native. ObjC Export - [`KT-78810`](https://youtrack.jetbrains.com/issue/KT-78810) [ObjCExport] Enable explicit ObjC block parameter names by default - [`KT-80271`](https://youtrack.jetbrains.com/issue/KT-80271) ObjC/Swift Export: Remove Native platform `Cloneable` checks - [`KT-78604`](https://youtrack.jetbrains.com/issue/KT-78604) Consider not inheriting `KlibScope` from `KaScope` - [`KT-79767`](https://youtrack.jetbrains.com/issue/KT-79767) ObjCExport: private companion must not be exposed - [`KT-79724`](https://youtrack.jetbrains.com/issue/KT-79724) ObjCExport: extensions order - [`KT-79548`](https://youtrack.jetbrains.com/issue/KT-79548) ObjCExport: mangling difference between K1 and K2 when translating KotlinDurationCompanion - [`KT-79475`](https://youtrack.jetbrains.com/issue/KT-79475) ObjCExport: invalid property getter translation - [`KT-79346`](https://youtrack.jetbrains.com/issue/KT-79346) ObjCExport: Any method overrides - [`KT-78871`](https://youtrack.jetbrains.com/issue/KT-78871) ObjCExport: translation of keyword `release` with parameter generates invalid header ### Native. Runtime. Memory - [`KT-75918`](https://youtrack.jetbrains.com/issue/KT-75918) Native: Deprecate -Xallocator=std - [`KT-80678`](https://youtrack.jetbrains.com/issue/KT-80678) Native: pagedAllocator=false sweep is slow - [`KT-75916`](https://youtrack.jetbrains.com/issue/KT-75916) Native: Enable sanitizer support with pagedAllocator=false ### Native. Swift Export - [`KT-80111`](https://youtrack.jetbrains.com/issue/KT-80111) Swift Export Build Fails Due to Errors in KotlinStdlib.swift - [`KT-80884`](https://youtrack.jetbrains.com/issue/KT-80884) Swift Export: support async in SIR - [`KT-80185`](https://youtrack.jetbrains.com/issue/KT-80185) Swift Export: IllegalArgumentException – Collection contains more than one matching element - [`KT-79889`](https://youtrack.jetbrains.com/issue/KT-79889) K/N: swift-export fails under several different conditions - [`KT-79518`](https://youtrack.jetbrains.com/issue/KT-79518) Swift export: represent kotlin.Any as swift.any - [`KT-78603`](https://youtrack.jetbrains.com/issue/KT-78603) Do not inherit SirAndKaSession from KaSession - [`KT-79227`](https://youtrack.jetbrains.com/issue/KT-79227) Swift Export: Fix First Release Issues - [`KT-79521`](https://youtrack.jetbrains.com/issue/KT-79521) '_CoroutineScope' is inaccessible due to 'internal' protection level - [`KT-79181`](https://youtrack.jetbrains.com/issue/KT-79181) Swift Export Fails When Using T: Comparable<T> Generic Constraint in Kotlin Classes ### Tools. Ant - [`KT-75875`](https://youtrack.jetbrains.com/issue/KT-75875) Remove Ant support ### Tools. BCV - [`KT-80313`](https://youtrack.jetbrains.com/issue/KT-80313) Add ability to generate dump from jar files [ABI Tools] ### Tools. Build Tools API - [`KT-79409`](https://youtrack.jetbrains.com/issue/KT-79409) BTA: Support removed compiler arguments properly - [`KT-78196`](https://youtrack.jetbrains.com/issue/KT-78196) BTA: implement API adapter for the prototype implementation - [`KT-77999`](https://youtrack.jetbrains.com/issue/KT-77999) BTA: Generate BTA options from compiler arguments descriptions - [`KT-78194`](https://youtrack.jetbrains.com/issue/KT-78194) BTA: port the JVM prototype to the new design - [`KT-78193`](https://youtrack.jetbrains.com/issue/KT-78193) BTA: Implement core infrastructure according to the new design - [`KT-78195`](https://youtrack.jetbrains.com/issue/KT-78195) BTA: migrate the test infrastructure from the prototype to the new design ### Tools. CLI - [`KT-79867`](https://youtrack.jetbrains.com/issue/KT-79867) CompilerConfiguration.configureSourceRoots puts obfuscated file paths instead of ones passed on `classpath` to CLIConfigurationKeys.CONTENT_ROOTS - [`KT-80348`](https://youtrack.jetbrains.com/issue/KT-80348) Expose 'XXLanguage' compiler argument as a normal argument - [`KT-80428`](https://youtrack.jetbrains.com/issue/KT-80428) KMP Separate Compilation: Handle friend dependencies - [`KT-74590`](https://youtrack.jetbrains.com/issue/KT-74590) Deprecate -Xjvm-default in favor of -jvm-default - [`KT-80349`](https://youtrack.jetbrains.com/issue/KT-80349) KMP Separate Compilation is enabled on non-KMP compilations - [`KT-79982`](https://youtrack.jetbrains.com/issue/KT-79982) Fix description of -Xjspecify-annotations - [`KT-79403`](https://youtrack.jetbrains.com/issue/KT-79403) Improve generator for deprecated CLI arguments - [`KT-75968`](https://youtrack.jetbrains.com/issue/KT-75968) Set proper lifecycle for all existing compiler arguments - [`KT-79293`](https://youtrack.jetbrains.com/issue/KT-79293) Create Language Features and compiler argument with parameter for new destructuring features ### Tools. Commonizer - [`KT-49735`](https://youtrack.jetbrains.com/issue/KT-49735) [Commonizer] :commonizeNativeDistribution fails for projects with two or more same native targets - [`KT-47523`](https://youtrack.jetbrains.com/issue/KT-47523) MPP: Unable to resolve c-interop dependency if platform is included in an intermediate source set with the only target - [`KT-48118`](https://youtrack.jetbrains.com/issue/KT-48118) Commonized c-interop lib is not attached to common main source set - [`KT-46248`](https://youtrack.jetbrains.com/issue/KT-46248) MPP: Compile KotlinMetadata fails with Unresolved reference if only one native platform from shared source set is available ### Tools. Compiler Plugin API - [`KT-74867`](https://youtrack.jetbrains.com/issue/KT-74867) LLFirIdePredicateBasedProvider matches local classes when it shouldn't - [`KT-52665`](https://youtrack.jetbrains.com/issue/KT-52665) Deprecate `ComponentRegistrar` - [`KT-55300`](https://youtrack.jetbrains.com/issue/KT-55300) Provide a mechanism to describe ordering and dependencies for compiler plugins - [`KT-75865`](https://youtrack.jetbrains.com/issue/KT-75865) Provide an API for setting the file name for the file with top-level declarations generated by a plugin ### Tools. Compiler Plugins - [`KT-80815`](https://youtrack.jetbrains.com/issue/KT-80815) NoArg compiler plugin: Promote NO_NOARG_CONSTRUCTOR_IN_SUPERCLASS diagnostic from warning to error - [`KT-80822`](https://youtrack.jetbrains.com/issue/KT-80822) False positive NO_NOARG_CONSTRUCTOR_IN_SUPERCLASS reported for a class with explicit noargs constructor already present - [`KT-53122`](https://youtrack.jetbrains.com/issue/KT-53122) Constructors generated with NoArg have no `@Metadata` and are invisible for the frontend - [`KT-79319`](https://youtrack.jetbrains.com/issue/KT-79319) Lombok: NullPointerException on `mvn compile` when importing Java constants - [`KT-74687`](https://youtrack.jetbrains.com/issue/KT-74687) Kotlin Lombok: False positive when calling builder on Java record - [`KT-80419`](https://youtrack.jetbrains.com/issue/KT-80419) Remove bundled jetbrains annotations from kotlin-dataframe-compiler-plugin - [`KT-79245`](https://youtrack.jetbrains.com/issue/KT-79245) [AtomicFU] Drop K1/JS- and K1/Native-specific testrunners - [`KT-79197`](https://youtrack.jetbrains.com/issue/KT-79197) DataFrame: Cannot find local variable 'this`@df`' with type Scope0 - [`KT-73865`](https://youtrack.jetbrains.com/issue/KT-73865) Incorrect type is generated for irPropertyReference during K/N transformation ### Tools. Compiler plugins. Serialization - [`KT-70345`](https://youtrack.jetbrains.com/issue/KT-70345) Promote COMPANION_OBJECT_IS_SERIALIZABLE_INSIDE_SERIALIZABLE_CLASS diagnostic to error - [`KT-79695`](https://youtrack.jetbrains.com/issue/KT-79695) Serialization does not exclude field-less properties in 2.2.20-Beta2 - [`KT-79246`](https://youtrack.jetbrains.com/issue/KT-79246) [Serialization] Drop K1-specific testrunners ### Tools. Gradle #### Fixes - [`KT-80763`](https://youtrack.jetbrains.com/issue/KT-80763) Add redirect link to error message when 'org.jetbrains.kotlin.android' plugin is used with built-in Kotlin - [`KT-81038`](https://youtrack.jetbrains.com/issue/KT-81038) Gradle: remove support for properties disabling precise task outputs backup - [`KT-75449`](https://youtrack.jetbrains.com/issue/KT-75449) Update deprecation of `KotlinJsTestFramework#createTestExecutionSpec` - [`KT-80875`](https://youtrack.jetbrains.com/issue/KT-80875) Gradle: runToolInSeparateProcess may fail on Windows with too long command line - [`KT-79851`](https://youtrack.jetbrains.com/issue/KT-79851) Emit an actionable warning/error on unsupported AV/LV configured by `kotlin-dsl` - [`KT-64273`](https://youtrack.jetbrains.com/issue/KT-64273) Gradle: remove symbols deprecated after KT-54312 - [`KT-77458`](https://youtrack.jetbrains.com/issue/KT-77458) Run Gradle integration tests against Gradle 9.0 - [`KT-74915`](https://youtrack.jetbrains.com/issue/KT-74915) Make ExtrasProperty.kt internal - [`KT-64992`](https://youtrack.jetbrains.com/issue/KT-64992) Remove KotlinCompilation.source - [`KT-76720`](https://youtrack.jetbrains.com/issue/KT-76720) Raise deprecation level to error for Kotlin*Options properties - [`KT-80172`](https://youtrack.jetbrains.com/issue/KT-80172) Error message changes depending on the order of applying 'org.jetbrains.kotlin.android' and 'AGP' 9.0+ with built-in Kotlin plugin - [`KT-76177`](https://youtrack.jetbrains.com/issue/KT-76177) Remove deprecated classpath snapshot task inputs - [`KT-79238`](https://youtrack.jetbrains.com/issue/KT-79238) Bump minimal supported AGP version to 8.2.2 - [`KT-79339`](https://youtrack.jetbrains.com/issue/KT-79339) Remove additionalMetadata from compiler options DSL - [`KT-78741`](https://youtrack.jetbrains.com/issue/KT-78741) Add FUS analytics for klib cross-compilation - [`KT-73478`](https://youtrack.jetbrains.com/issue/KT-73478) Add module level description - [`KT-80083`](https://youtrack.jetbrains.com/issue/KT-80083) KGP IT: fix tests on Windows - [`KT-79034`](https://youtrack.jetbrains.com/issue/KT-79034) Automatically disable cross compilation if it's not supported on the host - [`KT-79408`](https://youtrack.jetbrains.com/issue/KT-79408) A lot of errors files are created when compile Kotlin - [`KT-78827`](https://youtrack.jetbrains.com/issue/KT-78827) Rewrite Gradle compiler options DSL generator ### Tools. Gradle. BCV - [`KT-80621`](https://youtrack.jetbrains.com/issue/KT-80621) Move Gradle tasks into suitable groups [ABI Validation] - [`KT-78625`](https://youtrack.jetbrains.com/issue/KT-78625) Kotlin's built-in BCV generates empty .api files ### Tools. Gradle. JS - [`KT-79910`](https://youtrack.jetbrains.com/issue/KT-79910) Wasm, JS: Upgrade NPM versions - [`KT-79921`](https://youtrack.jetbrains.com/issue/KT-79921) Web Tooling Gradle API does not respect webpack reconfiguration - [`KT-76996`](https://youtrack.jetbrains.com/issue/KT-76996) Wasm: js tasks triggers wasm subtasks - [`KT-79237`](https://youtrack.jetbrains.com/issue/KT-79237) Upgrade NPM dependencies versions ### Tools. Gradle. Multiplatform #### New Features - [`KT-76446`](https://youtrack.jetbrains.com/issue/KT-76446) Add kotlin-level dependency block to work the same way as commonMain/commonTest dependencies blocks #### Fixes - [`KT-80785`](https://youtrack.jetbrains.com/issue/KT-80785) With `android.builtInKotlin=false` and `android.newDsl=true`, using `kotlin-android` plugin will fail with `ClassCastException` - [`KT-61127`](https://youtrack.jetbrains.com/issue/KT-61127) Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import - [`KT-62614`](https://youtrack.jetbrains.com/issue/KT-62614) Remove legacy kotlin-gradle-plugin-model - [`KT-79559`](https://youtrack.jetbrains.com/issue/KT-79559) AGP complains about configurations resolved at configuration time due to KMP partially resolved dependencies diagnostic - [`KT-78993`](https://youtrack.jetbrains.com/issue/KT-78993) The value for property '*' property 'dependencies' is final and cannot be changed any further - [`KT-74005`](https://youtrack.jetbrains.com/issue/KT-74005) Implement a prototype of Unified Klib support in Kotlin Gradle Plugin - [`KT-76200`](https://youtrack.jetbrains.com/issue/KT-76200) TestModuleProperties.productionModuleName for JVM module isn't present with 2.1.20-RC - [`KT-55312`](https://youtrack.jetbrains.com/issue/KT-55312) Replace "ALL_COMPILE_DEPENDENCIES_METADATA" configuration with set of metadata dependencies configurations associated per set - [`KT-52216`](https://youtrack.jetbrains.com/issue/KT-52216) HMPP / KTOR: False positive "TYPE_MISMATCH" with Throwable descendant - [`KT-54312`](https://youtrack.jetbrains.com/issue/KT-54312) TCS: Replace CompilationDetails abstract class hierarchy by composable implementation - [`KT-55230`](https://youtrack.jetbrains.com/issue/KT-55230) Remove metadata dependencies transformation for runtimeOnly scope ### Tools. Gradle. Native - [`KT-80675`](https://youtrack.jetbrains.com/issue/KT-80675) Commonized cinterops between "test" compilations produce an import failure - [`KT-64107`](https://youtrack.jetbrains.com/issue/KT-64107) Kotlin Gradle plugin allows native binaries to have both `debuggable` and `optimized` flags set to `true` - [`KT-74910`](https://youtrack.jetbrains.com/issue/KT-74910) Bump `destinationDir` in CInteropProcess to hidden - [`KT-74911`](https://youtrack.jetbrains.com/issue/KT-74911) Promote CInteropProcess.konanVersion to hidden - [`KT-74864`](https://youtrack.jetbrains.com/issue/KT-74864) Enable exporting KDocs by default to ObjC - [`KT-72705`](https://youtrack.jetbrains.com/issue/KT-72705) K/N: compile task cache can not be used due to 'artifactVersion' input property ### Tools. Gradle. Swift Export - [`KT-79524`](https://youtrack.jetbrains.com/issue/KT-79524) NoSuchMethodError: 'java.lang.String org.gradle.api.artifacts.ProjectDependency.getPath() for swift export with dependency export fro gradle < 8.11 ### Tools. Incremental Compile - [`KT-75864`](https://youtrack.jetbrains.com/issue/KT-75864) Implement a conservative mechanism of the IC with compiler plugins generated top-level declarations - [`KT-79504`](https://youtrack.jetbrains.com/issue/KT-79504) Implement an API to provide IC lookups from backend plugins - [`KT-55982`](https://youtrack.jetbrains.com/issue/KT-55982) K2: Consider global lookups from plugins in incremental compilation - [`KT-75657`](https://youtrack.jetbrains.com/issue/KT-75657) Fix difference in incremental compilation scenarios in BTA in-process vs daemon compilation mode - [`KT-79541`](https://youtrack.jetbrains.com/issue/KT-79541) Refactor tracking of files relation in IC - [`KT-74628`](https://youtrack.jetbrains.com/issue/KT-74628) Incremental compilation runner does not check compiler exit code before mapping sources to classes ### Tools. JPS - [`KT-77347`](https://youtrack.jetbrains.com/issue/KT-77347) Support file-less compatible IC approach ### Tools. Kapt - [`KT-73411`](https://youtrack.jetbrains.com/issue/KT-73411) Remove `kapt.use.k2` property and code which allows to use K2 with K1 kapt - [`KT-79138`](https://youtrack.jetbrains.com/issue/KT-79138) K2: KAPT Java Stub Gen: `Unresolved reference` with `@kotlin`.Metadata in Java in 2.2.0 - [`KT-79641`](https://youtrack.jetbrains.com/issue/KT-79641) Kapt: too much information is printed in verbose mode - [`KT-79305`](https://youtrack.jetbrains.com/issue/KT-79305) K2 kapt: ISE "Cannot evaluate IR expression in annotation" on typealias with unresolved expansion - [`KT-79136`](https://youtrack.jetbrains.com/issue/KT-79136) K2 kapt: unresolved nested class references in annotation arguments are generated without outer class names - [`KT-79133`](https://youtrack.jetbrains.com/issue/KT-79133) K2 kapt: class literal with typealias is not expanded ### Tools. Performance benchmarks - [`KT-79709`](https://youtrack.jetbrains.com/issue/KT-79709) Add `-Xdetailed-perf` CLI flag to control verbosity of performance logs - [`KT-79226`](https://youtrack.jetbrains.com/issue/KT-79226) [K/N] Add performance measurement for native backend lowerings ### Tools. Statistics (FUS) - [`KT-77407`](https://youtrack.jetbrains.com/issue/KT-77407) Add performance measurement for prefix lowerings - [`KT-79455`](https://youtrack.jetbrains.com/issue/KT-79455) [FUS] Collect KSP plugin version - [`KT-79090`](https://youtrack.jetbrains.com/issue/KT-79090) Integrate dynamic stats into `MarkdownReportRenderer` ### Tools. Wasm - [`KT-80582`](https://youtrack.jetbrains.com/issue/KT-80582) Multiple reloads when using webpack dev server after 2.2.20-Beta2 - [`KT-80896`](https://youtrack.jetbrains.com/issue/KT-80896) K/Wasm: debug tests only once - [`KT-78921`](https://youtrack.jetbrains.com/issue/KT-78921) K/Wasm: don't generate empty yarn.lock file

## Changelog ### Backend. Wasm - [`KT-80018`](https://youtrack.jetbrains.com/issue/KT-80018) K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit) ### Compiler - [`KT-79979`](https://youtrack.jetbrains.com/issue/KT-79979) K2: ClassCastException when overriding extension property with delegation - [`KT-79866`](https://youtrack.jetbrains.com/issue/KT-79866) kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error - [`KT-79276`](https://youtrack.jetbrains.com/issue/KT-79276) Dexing fails with "Cannot read field X because <local0> is null" with 2.2.0 - [`KT-79781`](https://youtrack.jetbrains.com/issue/KT-79781) Missing MISSING_DEPENDENCY_CLASS when using type alias with inaccessible RHS - [`KT-79547`](https://youtrack.jetbrains.com/issue/KT-79547) "UnsupportedOperationException: Not supported" with inlining and value classes - [`KT-79519`](https://youtrack.jetbrains.com/issue/KT-79519) Nested type alias is unreachable from another module ### Compose compiler - [`b/432262806`](https://issuetracker.google.com/issues/432262806) Fix target description lookup - [`b/436870733`](https://issuetracker.google.com/issues/436870733) Prevent lambda memoization in local classes inside a composable - [`b/432485982`](https://issuetracker.google.com/issues/432485982) Fix AbstractMethodError when overriding function with default parameters ### JavaScript - [`KT-79916`](https://youtrack.jetbrains.com/issue/KT-79916) K/JS: "Uncaught TypeError" when using 'Xes-long-as-bigint' in compose-html - [`KT-79977`](https://youtrack.jetbrains.com/issue/KT-79977) KJS: Long.rotateLeft returns incorrect result when BigInts are enabled - [`KT-79644`](https://youtrack.jetbrains.com/issue/KT-79644) BigInt enabled for ES 2015 despite being an ES 2020 feature - [`KT-79089`](https://youtrack.jetbrains.com/issue/KT-79089) KJS: Could not load reporter / Cannot find module 'mocha' when running jsNode tests ### Native - [`KT-79075`](https://youtrack.jetbrains.com/issue/KT-79075) Stuck on Kotlin_getSourceInfo_core_symbolication ### Tools. Compiler plugins. Serialization - [`KT-79695`](https://youtrack.jetbrains.com/issue/KT-79695) Serialization does not exclude field-less properties in 2.2.20-Beta2 ### Tools. Gradle. JS - [`KT-79921`](https://youtrack.jetbrains.com/issue/KT-79921) Web Tooling Gradle API does not respect webpack reconfiguration - [`KT-76996`](https://youtrack.jetbrains.com/issue/KT-76996) Wasm: js tasks triggers wasm subtasks ### Tools. Gradle. Swift Export - [`KT-79554`](https://youtrack.jetbrains.com/issue/KT-79554) Swift Export status diagnostic is produced even if swift export is not configured ### Tools. Kapt - [`KT-79641`](https://youtrack.jetbrains.com/issue/KT-79641) Kapt: too much information is printed in verbose mode - [`KT-79136`](https://youtrack.jetbrains.com/issue/KT-79136) K2 kapt: unresolved nested class references in annotation arguments are generated without outer class names

## Changelog ### Compiler - [`KT-79276`](https://youtrack.jetbrains.com/issue/KT-79276) Dexing fails with "Cannot read field X because <local0> is null" with 2.2.0 - [`KT-79442`](https://youtrack.jetbrains.com/issue/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-78815`](https://youtrack.jetbrains.com/issue/KT-78815) `Symbol not found: __ZNSt3__117bad_function_callD1Ev` error on iOS 15.5 simulator in Xcode 16.3 after update to 2.2.0-Beta2 - [`KT-78501`](https://youtrack.jetbrains.com/issue/KT-78501) K2: Missing [ABSTRACT_SUPER_CALL] diagnostics for delegated interface method leads to AssertionError: isCompiledToJvmDefault during IR lowering - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) IR lowering failed / Unexpected null argument for composable call - [`KT-76477`](https://youtrack.jetbrains.com/issue/KT-76477) Kotlin/Native: fix compiler performance reporting in sources->klib and klibs->binary - [`KT-78736`](https://youtrack.jetbrains.com/issue/KT-78736) Missing [NOT_YET_SUPPORTED_IN_INLINE] diagnostics because of incorrect context update - [`KT-77685`](https://youtrack.jetbrains.com/issue/KT-77685) "IllegalArgumentException: Sequence contains more than one matching element" - [`KT-76365`](https://youtrack.jetbrains.com/issue/KT-76365) K2: Missing ABSTRACT_SUPER_CALL - [`KT-78352`](https://youtrack.jetbrains.com/issue/KT-78352) False-positive IDENTITY_SENSITIVE_OPERATIONS_WITH_VALUE_TYPE when comparing with equality operator (==) ### Compose compiler - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) Ensure that default transform affects functions entered through a call - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) Fix visibility for default wrappers of protected methods - [`b/408492167`](https://issuetracker.google.com/issues/408492167) Emit parameter names in Compose source information ### JavaScript - [`KT-79050`](https://youtrack.jetbrains.com/issue/KT-79050) KJS / IC: "Unexpected body of primary constructor for processing irClass" - [`KT-79089`](https://youtrack.jetbrains.com/issue/KT-79089) KJS: Could not load reporter / Cannot find module 'mocha' when running jsNode tests ### Native - [`KT-79075`](https://youtrack.jetbrains.com/issue/KT-79075) Stuck on Kotlin_getSourceInfo_core_symbolication - [`KT-76178`](https://youtrack.jetbrains.com/issue/KT-76178) LLVM Update: symbol '__ZnwmSt19__type_descriptor_t' missing ### Native. Runtime. Memory - [`KT-78925`](https://youtrack.jetbrains.com/issue/KT-78925) Crash SIGABRT on Apple Watch after updating Kotlin to 2.2.0 ### Tools. CLI - [`KT-77445`](https://youtrack.jetbrains.com/issue/KT-77445) UNRESOLVED_REFERENCE when importing classes from kotlin-stdlib - [`KT-78263`](https://youtrack.jetbrains.com/issue/KT-78263) java.lang.NoClassDefFoundError: Could not initialize class com.intellij.psi.impl.PsiSubstitutorImpl - [`KT-78318`](https://youtrack.jetbrains.com/issue/KT-78318) Unresolved reference when compiling kotlin/JS project on fresh master ### Tools. Compiler Plugins - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" when calling protected open composable with default argument - [`KT-78038`](https://youtrack.jetbrains.com/issue/KT-78038) Make jvm-abi-gen compiler plugin output classloader-friendly ### Tools. Gradle - [`KT-77023`](https://youtrack.jetbrains.com/issue/KT-77023) Support creating KotlinJvmAndroidCompilation in KotlinBaseApiPlugin ### Tools. Gradle. JS - [`KT-78504`](https://youtrack.jetbrains.com/issue/KT-78504) [2.2.0-RC3] NPM Tasks in 2.2 RCs produce broken/unusable build cache entries ### Tools. Gradle. Multiplatform - [`KT-77466`](https://youtrack.jetbrains.com/issue/KT-77466) KMP - testFixturesApi and similar configurations do not affect jvmTestFixtures source set - [`KT-68646`](https://youtrack.jetbrains.com/issue/KT-68646) Compose extension's metrics/reports dir should use subdirs based on target ### Tools. Gradle. Native - [`KT-77977`](https://youtrack.jetbrains.com/issue/KT-77977) "Unknown hardware platform: riscv64" on JVM project build ### Tools. Incremental Compile - [`KT-78807`](https://youtrack.jetbrains.com/issue/KT-78807) Changing ABI fingerprint on non-ABI changes when lambda passed to inlined function ### Tools. Kapt - [`KT-77853`](https://youtrack.jetbrains.com/issue/KT-77853) K2 KAPT: backend internal error: exception during IR fake override builder - [`KT-79138`](https://youtrack.jetbrains.com/issue/KT-79138) K2: KAPT Java Stub Gen: `Unresolved reference` with `@kotlin`.Metadata in Java in 2.2.0

## Changelog ### Analysis API. Code Compilation - [`KT-78382`](https://youtrack.jetbrains.com/issue/KT-78382) K2 IR lowering error when interface extends interface - [`KT-73201`](https://youtrack.jetbrains.com/issue/KT-73201) K2 IDE: Error while evaluating expressions with local classes - [`KT-78164`](https://youtrack.jetbrains.com/issue/KT-78164) Evaluator: '`@JvmName`' annotations are not recognized in other modules ### Analysis API. FIR - [`KT-72227`](https://youtrack.jetbrains.com/issue/KT-72227) SOE from recursive value class - [`KT-68977`](https://youtrack.jetbrains.com/issue/KT-68977) K2 IDE: Reference to companion object through typealias in a function call does not work - [`KT-76490`](https://youtrack.jetbrains.com/issue/KT-76490) Do not load ast during the contracts phase if no contracts present - [`KT-72407`](https://youtrack.jetbrains.com/issue/KT-72407) FirImplementationByDelegationWithDifferentGenericSignatureChecker: FirLazyExpression should be calculated before accessing ### Analysis API. Light Classes - [`KT-78065`](https://youtrack.jetbrains.com/issue/KT-78065) Support "Expose boxed inline value classes" in Light Classes - [`KT-78835`](https://youtrack.jetbrains.com/issue/KT-78835) Find usages of a light constructor from a class with an empty body finds usages of class as well ### Analysis API. Providers and Caches - [`KT-78640`](https://youtrack.jetbrains.com/issue/KT-78640) Analysis API: Remove "friend builtins provider" from `FirDeclarationForCompiledElementSearcher` ### Analysis API. Standalone - [`KT-78638`](https://youtrack.jetbrains.com/issue/KT-78638) Analysis API Standalone: Stdlib builtins are not indexed in `STUBS` deserialized declaration origin mode ### Analysis API. Surface #### New Features - [`KT-73473`](https://youtrack.jetbrains.com/issue/KT-73473) Provide KaExpressionInformationProvider.isUsedAsResultOfLambda #### Performance Improvements - [`KT-78526`](https://youtrack.jetbrains.com/issue/KT-78526) Get rid of redundant `checkValidity` from `withPsiValidityAssertion` #### Fixes - [`KT-78820`](https://youtrack.jetbrains.com/issue/KT-78820) K2: ISE "FIR element class FirErrorExpressionImpl is not supported in constant evaluation" through RedundantValueArgumentInspection - [`KT-75057`](https://youtrack.jetbrains.com/issue/KT-75057) Analysis API: Reference to object through typealias in invoke operator call leads to original type - [`KT-79042`](https://youtrack.jetbrains.com/issue/KT-79042) Do not restore KaTypePointer if target kind has changed - [`KT-72421`](https://youtrack.jetbrains.com/issue/KT-72421) AA: "KtReference.resolveToSymbols" returns empty list when ASSIGN_OPERATOR_AMBGUITY error is present - [`KT-63464`](https://youtrack.jetbrains.com/issue/KT-63464) AA: KtPsiTypeProvider#asPsiType doesn't substitute kotlin.Unit - [`KT-75913`](https://youtrack.jetbrains.com/issue/KT-75913) K2: SymbolLightLazyAnnotation evaluates arguments and replaces them with constants - [`KT-73184`](https://youtrack.jetbrains.com/issue/KT-73184) Analysis API: KaFunctionCall.argumentMapping is unexpectedly deparenthesised - [`KT-78613`](https://youtrack.jetbrains.com/issue/KT-78613) PSI: add binary compatibility checks - [`KT-74013`](https://youtrack.jetbrains.com/issue/KT-74013) Analysis API: Cover the API surface with `@SubclassOptInRequired` annotations - [`KT-76614`](https://youtrack.jetbrains.com/issue/KT-76614) Move the parser and lexer to a separate module - [`KT-78552`](https://youtrack.jetbrains.com/issue/KT-78552) `KaFunctionValueParameter` is not marked as `KaLifetimeOwner` - [`KT-71152`](https://youtrack.jetbrains.com/issue/KT-71152) Add back SubclassOptInRequired to classes in KaModule.kt - [`KT-77674`](https://youtrack.jetbrains.com/issue/KT-77674) Analysis API: Redundant smart cast to the original type ### Backend. Wasm #### New Features - [`KT-65721`](https://youtrack.jetbrains.com/issue/KT-65721) K/Wasm: stop unconditionally exporting any main function from the root package #### Fixes - [`KT-73931`](https://youtrack.jetbrains.com/issue/KT-73931) WASM: "RuntimeError: illegal cast" with nullable generic - [`KT-65403`](https://youtrack.jetbrains.com/issue/KT-65403) [WASM] RuntimeError is thrown instead of ClassCastException - [`KT-79317`](https://youtrack.jetbrains.com/issue/KT-79317) [Wasm] Do not throw CCE for ExcludedFromCodegen declarations - [`KT-66085`](https://youtrack.jetbrains.com/issue/KT-66085) K/WASM: Runtime error is uncaught with `catch (e: Throwable)` - [`KT-66072`](https://youtrack.jetbrains.com/issue/KT-66072) K/Wasm: improve how exceptions work in JS interop - [`KT-78384`](https://youtrack.jetbrains.com/issue/KT-78384) K/Wasm: Incorrect debug info of local declarations in inline function from another file - [`KT-71533`](https://youtrack.jetbrains.com/issue/KT-71533) K/Wasm + K2: no error on KClass::qualifiedName usages - [`KT-72220`](https://youtrack.jetbrains.com/issue/KT-72220) Wasm: Unclear exception in case of missed dependency - [`KT-71691`](https://youtrack.jetbrains.com/issue/KT-71691) No trace on Wasm/JS if an error occurred in initializing global variables in a file with the main function - [`KT-69570`](https://youtrack.jetbrains.com/issue/KT-69570) K/Wasm: JsExport with default parameter value compiles to invalid Wasm ### Compiler #### New Features - [`KT-78792`](https://youtrack.jetbrains.com/issue/KT-78792) Report warning for redundant return in expression body - [`KT-45683`](https://youtrack.jetbrains.com/issue/KT-45683) Allow generics in contract type assertions - [`KT-71244`](https://youtrack.jetbrains.com/issue/KT-71244) Incorporate existing `@CheckReturnValue` annotation(s) into Kotlin's unused return value checker - [`KT-32313`](https://youtrack.jetbrains.com/issue/KT-32313) Support contracts for operator functions - [`KT-76766`](https://youtrack.jetbrains.com/issue/KT-76766) Warning is missing for wrong subclass checking - [`KT-65688`](https://youtrack.jetbrains.com/issue/KT-65688) Generate when-expressions over final classes via invokedynamic typeSwitch + tableswitch on JDK 21+ #### Performance Improvements - [`KT-78672`](https://youtrack.jetbrains.com/issue/KT-78672) Consider having FirCallableSymbol.callableId null for local properties / parameters - [`KT-77839`](https://youtrack.jetbrains.com/issue/KT-77839) K2: consider not creating CallableId for value parameters / variables / fields #### Fixes - [`KT-79355`](https://youtrack.jetbrains.com/issue/KT-79355) Failed to fix the problem of desugared `inc` with new reverse implies returns contract - [`KT-79277`](https://youtrack.jetbrains.com/issue/KT-79277) Implies returns contract doesn't affect the return type of the function if it is in the argument position - [`KT-79271`](https://youtrack.jetbrains.com/issue/KT-79271) Implies returns contract doesn't impact exhaustiveness - [`KT-79218`](https://youtrack.jetbrains.com/issue/KT-79218) SMARTCAST_IMPOSSIBLE for top‑level extension‑property getter despite returnsNotNull contract - [`KT-79220`](https://youtrack.jetbrains.com/issue/KT-79220) returnsNotNull contract ignored on extension function with nullable receiver - [`KT-79442`](https://youtrack.jetbrains.com/issue/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-79354`](https://youtrack.jetbrains.com/issue/KT-79354) IllegalStateException: Debug metadata version mismatch. Expected: 1, got 2 with compiler 2.2.20-Beta1 and stdlib 2.2.0 - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) IR lowering failed / Unexpected null argument for composable call - [`KT-77401`](https://youtrack.jetbrains.com/issue/KT-77401) [FIR] `ParameterNameTypeAttribute.name` doesn't support `@ParameterName` with compile-time constant property argument - [`KT-77986`](https://youtrack.jetbrains.com/issue/KT-77986) K2: False negative: "Local classes are not yet supported in inline functions" - [`KT-78843`](https://youtrack.jetbrains.com/issue/KT-78843) FIR tree: comments within String concatenation aren't visited in 2.2.0 - [`KT-76477`](https://youtrack.jetbrains.com/issue/KT-76477) Kotlin/Native: fix compiler performance reporting in sources->klib and klibs->binary - [`KT-78589`](https://youtrack.jetbrains.com/issue/KT-78589) "Class does not have member field" caused by delegation from a Java to Kotlin class - [`KT-79076`](https://youtrack.jetbrains.com/issue/KT-79076) 'IllegalStateException: Cannot serialize error type: ERROR CLASS: Uninferred type' with Exposed column using recursive generic type - [`KT-78726`](https://youtrack.jetbrains.com/issue/KT-78726) Split runPsiToIr phase into runPsiToIr and runIrLinker - [`KT-77672`](https://youtrack.jetbrains.com/issue/KT-77672) K/N: come up with a fallback strategy for the casts optimization pass - [`KT-76585`](https://youtrack.jetbrains.com/issue/KT-76585) K2: RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY is not reported inside initializers of local variables - [`KT-79099`](https://youtrack.jetbrains.com/issue/KT-79099) K2: Do not inherit inline modifier - [`KT-76902`](https://youtrack.jetbrains.com/issue/KT-76902) Omit type-use annotations from diagnostics - [`KT-79085`](https://youtrack.jetbrains.com/issue/KT-79085) Adding `-Xreturn-value-checker=full` to kotlinc causes "error: conflicting overloads" - [`KT-58988`](https://youtrack.jetbrains.com/issue/KT-58988) K2: Deprecate exposing package-private parameter of internal method - [`KT-77199`](https://youtrack.jetbrains.com/issue/KT-77199) OPT_IN_USAGE_ERROR is still absent when calling the enum primary constructor - [`KT-72800`](https://youtrack.jetbrains.com/issue/KT-72800) K2: java.util.NoSuchElementException when introduce variable - [`KT-79056`](https://youtrack.jetbrains.com/issue/KT-79056) Add experimental language version 2.5 - [`KT-78351`](https://youtrack.jetbrains.com/issue/KT-78351) Plugins: VIRTUAL_MEMBER_HIDDEN caused by FirSupertypeGenerationExtension - [`KT-78527`](https://youtrack.jetbrains.com/issue/KT-78527) No LESS_VISIBLE_TYPE_ACCESS_IN_INLINE_WARNING is reported when a private companion object is accessed via the class name - [`KT-78837`](https://youtrack.jetbrains.com/issue/KT-78837) linkReleaseFrameworkIosArm64: Compilation failed: An interface expected but was Any - [`KT-78945`](https://youtrack.jetbrains.com/issue/KT-78945) CONTRACT_NOT_ALLOWED is not reported for local operator functions - [`KT-78944`](https://youtrack.jetbrains.com/issue/KT-78944) ANNOTATION_IN_CONTRACT_ERROR is not reported for operators and property accessors with contracts - [`KT-78943`](https://youtrack.jetbrains.com/issue/KT-78943) ERROR_IN_CONTRACT_DESCRIPTION is not reported for operators and property accessors with contracts - [`KT-78932`](https://youtrack.jetbrains.com/issue/KT-78932) Contracts are allowed for open and overridden property accessors - [`KT-77203`](https://youtrack.jetbrains.com/issue/KT-77203) FIR: Consider adding destructured type to all COMPONENT_FUNCTION_* diagnostics - [`KT-78805`](https://youtrack.jetbrains.com/issue/KT-78805) K2: False positive METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE - [`KT-78651`](https://youtrack.jetbrains.com/issue/KT-78651) No need to report LESS_VISIBLE_TYPE_ACCESS_IN_INLINE_WARNING in noinline default value lambda - [`KT-78849`](https://youtrack.jetbrains.com/issue/KT-78849) K2: [Wasm, Fir2IR] Invalid smartcast on overloaded function call - [`KT-78793`](https://youtrack.jetbrains.com/issue/KT-78793) Make feature AllowEagerSupertypeAccessibilityChecks experimental - [`KT-78736`](https://youtrack.jetbrains.com/issue/KT-78736) Missing [NOT_YET_SUPPORTED_IN_INLINE] diagnostics because of incorrect context update - [`KT-78324`](https://youtrack.jetbrains.com/issue/KT-78324) K2: False negative [INCONSISTENT_TYPE_PARAMETER_VALUES] - [`KT-69975`](https://youtrack.jetbrains.com/issue/KT-69975) KDoc: cannot reference elements with names in backticks - [`KT-78229`](https://youtrack.jetbrains.com/issue/KT-78229) KDoc: unable to reference a method with spaces in the name - [`KT-78047`](https://youtrack.jetbrains.com/issue/KT-78047) Render unnamed context parameters as _ instead of <unused var> - [`KT-74621`](https://youtrack.jetbrains.com/issue/KT-74621) Debugger: AssertionError on evaluating two suspending calls - [`KT-76826`](https://youtrack.jetbrains.com/issue/KT-76826) New inference error [NewConstraintError at Incorporate TypeVariable] caused by recursive generics and nullable expected type - [`KT-78028`](https://youtrack.jetbrains.com/issue/KT-78028) "FirNamedFunctionSymbol" leaks to the error message about missing infix modifier - [`KT-77245`](https://youtrack.jetbrains.com/issue/KT-77245) Add expression name to RETURN_VALUE_NOT_USED diagnostic - [`KT-78071`](https://youtrack.jetbrains.com/issue/KT-78071) False-positive NO_ELSE_IN_WHEN after variable reassignment - [`KT-78068`](https://youtrack.jetbrains.com/issue/KT-78068) False-positive NO_ELSE_IN_WHEN after excluding enum value with inequality check - [`KT-25341`](https://youtrack.jetbrains.com/issue/KT-25341) NOT_YET_SUPPORTED_IN_INLINE reported over anonymous object border - [`KT-71134`](https://youtrack.jetbrains.com/issue/KT-71134) Consider to get rid of CapturedTypeMarker.withNotNullProjection() - [`KT-77131`](https://youtrack.jetbrains.com/issue/KT-77131) getValue/setValue can be declared with more than two/three parameters - [`KT-78452`](https://youtrack.jetbrains.com/issue/KT-78452) Drop redundant frontend structures after fir2ir conversion - [`KT-78458`](https://youtrack.jetbrains.com/issue/KT-78458) Don't populate PredicateBasedProvider if no lookup predicates are registered - [`KT-78440`](https://youtrack.jetbrains.com/issue/KT-78440) Lambda with an implicitly runtime-retained annotation is generated via invokedynamic with `-Xindy-allow-annotated-lambdas=false` - [`KT-78252`](https://youtrack.jetbrains.com/issue/KT-78252) ClassCastException when `Array<Void>` used for compile-time vararg of `Nothing` - [`KT-78097`](https://youtrack.jetbrains.com/issue/KT-78097) False positive NO_ELSE_IN_WHEN on sealed interface with negative is check - [`KT-77713`](https://youtrack.jetbrains.com/issue/KT-77713) Context Parameters cause compiler generate r8 incompatible bytecode - [`KT-76629`](https://youtrack.jetbrains.com/issue/KT-76629) K2 Mode: False positive RedundantVisibilityModifier inspection on private constructors in sealed classes - [`KT-78429`](https://youtrack.jetbrains.com/issue/KT-78429) K2: Property callable reference incorrectly smart-casted to intersection of property type and KProperty - [`KT-78509`](https://youtrack.jetbrains.com/issue/KT-78509) Renamed for override copy functions are cached in scope instead of session - [`KT-75831`](https://youtrack.jetbrains.com/issue/KT-75831) K2: An extra "[VALUE_PARAMETER_WITHOUT_EXPLICIT_TYPE] An explicit type is required on a value parameter." for a missing parameter - [`KT-78370`](https://youtrack.jetbrains.com/issue/KT-78370) All the [something]Assign operators on dynamic return Unit as a type - [`KT-73950`](https://youtrack.jetbrains.com/issue/KT-73950) K2 IDE / Kotlin Debugger: ISE “Fake override should have at least one overridden descriptor” on evaluation of local calss in presence of bystander - [`KT-78280`](https://youtrack.jetbrains.com/issue/KT-78280) Implement the sourceless `KtDiagnostic`s - [`KT-76543`](https://youtrack.jetbrains.com/issue/KT-76543) Migrate psi2ir sources to new IR parameter API - [`KT-77716`](https://youtrack.jetbrains.com/issue/KT-77716) Kotlin/Native and -Xseparate-kmp-compilation: "Compilation failed: Several functions kotlin/native/immutableBlobOf found" - [`KT-76400`](https://youtrack.jetbrains.com/issue/KT-76400) Context-sensitive resolution doesn’t work in if-else condition passed as a function argument - [`KT-76606`](https://youtrack.jetbrains.com/issue/KT-76606) Enable 'Indy: Allow lambdas with annotations' by default - [`KT-78121`](https://youtrack.jetbrains.com/issue/KT-78121) Report warning on function type with multiple implicit values that's annotated with DSL marker - [`KT-61227`](https://youtrack.jetbrains.com/issue/KT-61227) Definitely non-nullable types cause "Any was expected" for `@Nullable` parameter ### Compose compiler - [`b/432262806`](https://issuetracker.google.com/issues/432262806) Use classId as FirApplierInferencer tokens - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) Ensure that default transform affects functions entered through a call - [`b/400371006`](https://issuetracker.google.com/issues/400371006) Gate default parameters behind language versions - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) Fix visibility for default wrappers of protected methods - [`b/245673006`](https://issuetracker.google.com/issues/245673006) Specify fqName for classes and functions in build metrics - [`b/254577243`](https://issuetracker.google.com/issues/254577243) Avoid printing complex expressions in compiler metrics ### IR. Inlining #### New Features - [`KT-70360`](https://youtrack.jetbrains.com/issue/KT-70360) KLIBs: Uniformly handle`typeOf()` calls at 1st/2nd stages of compilation #### Fixes - [`KT-79002`](https://youtrack.jetbrains.com/issue/KT-79002) [Inliner][Native][PL] Native backend fails for inline function that instantiates a class that was compiled implementing two interfaces, which turned into abstract classes - [`KT-69941`](https://youtrack.jetbrains.com/issue/KT-69941) Rewrite `DumpSyntheticAccessors` lowering to test handler after moving common Native/JS prefix to KLIB compilation - [`KT-78137`](https://youtrack.jetbrains.com/issue/KT-78137) Review & enable PL tests with enabled IR inliner - [`KT-78245`](https://youtrack.jetbrains.com/issue/KT-78245) Synthetic Accessors incorrectly copies default values - [`KT-76236`](https://youtrack.jetbrains.com/issue/KT-76236) Include `NativeInliningFacade` and `JsIrInliningFacade` in all Native & JS test runners - [`KT-76512`](https://youtrack.jetbrains.com/issue/KT-76512) Avoid using `originalFunction` inside `FunctionInlining` - [`KT-69457`](https://youtrack.jetbrains.com/issue/KT-69457) [references] IR Inliner: References to inline functions are not inlined - [`KT-47521`](https://youtrack.jetbrains.com/issue/KT-47521) Native & JS: Recursive inline fun calls -> StackOverflowError - [`KT-76763`](https://youtrack.jetbrains.com/issue/KT-76763) [Inliner] Don't use attributeOwnerId to pass info from Inliner to non-JVM backends - [`KT-76145`](https://youtrack.jetbrains.com/issue/KT-76145) Enhance error message about poisoned KLIBs in KLIB-based compilers ### IR. Tree - [`KT-78978`](https://youtrack.jetbrains.com/issue/KT-78978) PL tests: Drop `adjust*forLazyIr()` hack - [`KT-77596`](https://youtrack.jetbrains.com/issue/KT-77596) Refine `reuseExistingSignaturesForSymbols` setting in IR serializer - [`KT-76723`](https://youtrack.jetbrains.com/issue/KT-76723) IR validator: Check visibilities of annotations - [`KT-76405`](https://youtrack.jetbrains.com/issue/KT-76405) Visit annotations in IrTypeVisitor and IrTreeSymbolsVisitor - [`KT-78033`](https://youtrack.jetbrains.com/issue/KT-78033) [PL] Merge `IrUnimplementedOverridesStrategy` to `PartiallyLinkedIrTreePatcher` ### JVM. Reflection - [`KT-77882`](https://youtrack.jetbrains.com/issue/KT-77882) kotlin-reflect: KParameter.name returns "<unused var>" instead of null for anonymous context parameters - [`KT-77879`](https://youtrack.jetbrains.com/issue/KT-77879) kotlin-reflect: toString overrides of KCallable implementations do not render context parameters ### JavaScript #### New Features - [`KT-79394`](https://youtrack.jetbrains.com/issue/KT-79394) Add the possibility to write common external declarations between JS and WasmJS targets - [`KT-79222`](https://youtrack.jetbrains.com/issue/KT-79222) K/JS: Allow using Long in exported declarations #### Performance Improvements - [`KT-57128`](https://youtrack.jetbrains.com/issue/KT-57128) KJS: Use BigInt to represent Long values in ES6 mode - [`KT-54689`](https://youtrack.jetbrains.com/issue/KT-54689) KJS: Data class equals less efficient than manually written version #### Fixes - [`KT-79050`](https://youtrack.jetbrains.com/issue/KT-79050) KJS / IC: "Unexpected body of primary constructor for processing irClass" - [`KT-52230`](https://youtrack.jetbrains.com/issue/KT-52230) KSJ IR: Applying identity equality operator to Longs always returns false - [`KT-6675`](https://youtrack.jetbrains.com/issue/KT-6675) KotlinJS: toInt() on external Long throws error - [`KT-79184`](https://youtrack.jetbrains.com/issue/KT-79184) K/JS: Further intrinsify BigInt-backed Long operations - [`KT-78701`](https://youtrack.jetbrains.com/issue/KT-78701) Js and Wasm: enumValueOf does not include invalid value into an exception message - [`KT-78316`](https://youtrack.jetbrains.com/issue/KT-78316) KJS: List is not exported to TypeScript declaration if wrapped in Promise - [`KT-66091`](https://youtrack.jetbrains.com/issue/KT-66091) KJS, WASM: `AssertionError: Illegal value: <T>` in test nonReified_equality.kt - [`KT-57192`](https://youtrack.jetbrains.com/issue/KT-57192) KJS: "Exported declaration uses non-exportable return type" caused by `@JsExport` Promise with Unit type - [`KT-61183`](https://youtrack.jetbrains.com/issue/KT-61183) KJS: "AssertionError: Assertion failed" from JsSuspendFunctionsLowering - [`KT-59326`](https://youtrack.jetbrains.com/issue/KT-59326) KJS / IR: invalid code generated when using constructor parameter named `default` ### Klibs - [`KT-78699`](https://youtrack.jetbrains.com/issue/KT-78699) Compiler (JS, Wasm): warn about incompatible kotlin-test/compiler pair - [`KT-78700`](https://youtrack.jetbrains.com/issue/KT-78700) Compiler (JS, Wasm): Consider making diagnostics for incompatible kotlin-stdlib/compiler and kotlin-test/compiler pairs errors instead of warnings - [`KT-76094`](https://youtrack.jetbrains.com/issue/KT-76094) Support new callable reference nodes in partial linkage in Kotlin/Wasm - [`KT-78771`](https://youtrack.jetbrains.com/issue/KT-78771) KLIBs: Improve `zipDirAs()` function that is used to produce KLIB (ZIP) archives - [`KT-78349`](https://youtrack.jetbrains.com/issue/KT-78349) [Tests] Enable Partial Linkage in all tests - [`KT-68322`](https://youtrack.jetbrains.com/issue/KT-68322) Compiler (JS, Wasm): warn about incompatible Kotlin stdlib/compiler pair ### Language Design - [`KT-32993`](https://youtrack.jetbrains.com/issue/KT-32993) Contract to specify that a function parameter is always true inside lambda - [`KT-79308`](https://youtrack.jetbrains.com/issue/KT-79308) Ability to actualize empty interfaces as Any - [`KT-78866`](https://youtrack.jetbrains.com/issue/KT-78866) Warn implicit receiver shadowed by context parameter - [`KT-8889`](https://youtrack.jetbrains.com/issue/KT-8889) Contracts: if a given function parameter is not null, the result is not null - [`KT-22786`](https://youtrack.jetbrains.com/issue/KT-22786) Returns are not allowed for expression-body functions and are allowed when an inline lambda is added - [`KT-54363`](https://youtrack.jetbrains.com/issue/KT-54363) Allow using reified types for catch parameters - [`KT-77836`](https://youtrack.jetbrains.com/issue/KT-77836) Support using context parameter of a `@RestrictsSuspension` type as the "restricted coroutine scope" - [`KT-77823`](https://youtrack.jetbrains.com/issue/KT-77823) Context-sensitive resolution doesn't work for subtypes of sealed types - [`KT-75977`](https://youtrack.jetbrains.com/issue/KT-75977) False positive unresolved_reference when resolving nested member after a type check ### Libraries - [`KT-79080`](https://youtrack.jetbrains.com/issue/KT-79080) Annotate WasmImport and WasmExport as experimental API - [`KT-79121`](https://youtrack.jetbrains.com/issue/KT-79121) K/Wasm annotate JS-interop API as experimental - [`KT-78581`](https://youtrack.jetbrains.com/issue/KT-78581) Add the KClass.isInterface property to Kotlin/JS stdlib - [`KT-78710`](https://youtrack.jetbrains.com/issue/KT-78710) kotlin.wasm and kotlin.wasm.unsafe packages are missing description - [`KT-78709`](https://youtrack.jetbrains.com/issue/KT-78709) Wasm: KClass.qualifiedName KDoc should reflect the behavior on the target - [`KT-78704`](https://youtrack.jetbrains.com/issue/KT-78704) CharSequence.subSequence and String.substring behavior with invalid indices differs between targets - [`KT-78705`](https://youtrack.jetbrains.com/issue/KT-78705) Float.sign and Double.sign behavior for negative zero is not documented - [`KT-74543`](https://youtrack.jetbrains.com/issue/KT-74543) Support for context parameters in kotlinx-metadata - [`KT-78340`](https://youtrack.jetbrains.com/issue/KT-78340) String.startsWith KDoc declares invalid exception condition ### Native - [`KT-78959`](https://youtrack.jetbrains.com/issue/KT-78959) Xcode 26: fix GC stress tests - [`KT-78734`](https://youtrack.jetbrains.com/issue/KT-78734) Finish runtime crash dump generation ### Native. ObjC Export - [`KT-77488`](https://youtrack.jetbrains.com/issue/KT-77488) [ObjCExport] Add explicit ObjCBlock parameter name in objc export - [`KT-78447`](https://youtrack.jetbrains.com/issue/KT-78447) [ObjCExport] Add missing ERROR constructors, align with K1 ### Native. Runtime - [`KT-79152`](https://youtrack.jetbrains.com/issue/KT-79152) Native: unexpected thread state in kotlin::to_string<KStringConversionMode> ### Native. Runtime. Memory - [`KT-78925`](https://youtrack.jetbrains.com/issue/KT-78925) Crash SIGABRT on Apple Watch after updating Kotlin to 2.2.0 - [`KT-76851`](https://youtrack.jetbrains.com/issue/KT-76851) Kotlin/Native: GC scheduler MutatorAssists requestAssists and completeEpoch issue ### Native. Swift Export - [`KT-79227`](https://youtrack.jetbrains.com/issue/KT-79227) Swift Export: Fix First Release Issues - [`KT-78947`](https://youtrack.jetbrains.com/issue/KT-78947) Implement FUS for Swift export - [`KT-79521`](https://youtrack.jetbrains.com/issue/KT-79521) '_CoroutineScope' is inaccessible due to 'internal' protection level ### Tools. Build Tools API - [`KT-78415`](https://youtrack.jetbrains.com/issue/KT-78415) Add a tool for performance reports analysing ### Tools. CLI - [`KT-75968`](https://youtrack.jetbrains.com/issue/KT-75968) Set proper lifecycle for all existing compiler arguments - [`KT-78318`](https://youtrack.jetbrains.com/issue/KT-78318) Unresolved reference when compiling kotlin/JS project on fresh master - [`KT-78578`](https://youtrack.jetbrains.com/issue/KT-78578) Support for placeholder (*) and directory in `-Xdump-perf` ### Tools. Compiler Plugin API - [`KT-78279`](https://youtrack.jetbrains.com/issue/KT-78279) Make the DiagnosticReporter default way for reporting in IR plugins ### Tools. Compiler Plugins - [`KT-78969`](https://youtrack.jetbrains.com/issue/KT-78969) [DataFrame] Provide source elements for plugin-generated classes - [`KT-75265`](https://youtrack.jetbrains.com/issue/KT-75265) PowerAssert: the result of invoke is displayed at the same level as value that can be confusing - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" when calling protected open composable with default argument - [`KT-77626`](https://youtrack.jetbrains.com/issue/KT-77626) K2: AssertionError: FUN LOCAL_FUNCTION_FOR_LAMBDA has no continuation - [`KT-78038`](https://youtrack.jetbrains.com/issue/KT-78038) Make jvm-abi-gen compiler plugin output classloader-friendly - [`KT-78671`](https://youtrack.jetbrains.com/issue/KT-78671) [DataFrame] Support type parameter types in DataSchema to fix evaluate expression - [`KT-78439`](https://youtrack.jetbrains.com/issue/KT-78439) DataFrame compiler plugin: Unresolved reference error in REPL ### Tools. Gradle - [`KT-79034`](https://youtrack.jetbrains.com/issue/KT-79034) Automatically disable cross compilation if it's not supported on the host - [`KT-77023`](https://youtrack.jetbrains.com/issue/KT-77023) Support creating KotlinJvmAndroidCompilation in KotlinBaseApiPlugin - [`KT-74420`](https://youtrack.jetbrains.com/issue/KT-74420) Migrate kotlin-parcelize away from AGP's deprecated Variant API - [`KT-76421`](https://youtrack.jetbrains.com/issue/KT-76421) Stabilize klib cross-compilation on different platforms - [`KT-78233`](https://youtrack.jetbrains.com/issue/KT-78233) Add ExperimentalFeatureWarning unique id - [`KT-67992`](https://youtrack.jetbrains.com/issue/KT-67992) Cleanup deprecated code required for KSP1 - [`KT-72341`](https://youtrack.jetbrains.com/issue/KT-72341) Remove 'kotlin-android-extensions' plugin - [`KT-67291`](https://youtrack.jetbrains.com/issue/KT-67291) Enable Project Isolation AND/OR Configuration Cache mode for Gradle Integration tests - [`KT-65271`](https://youtrack.jetbrains.com/issue/KT-65271) Gradle: "Mutating dependency DefaultExternalModuleDependency after it has been finalized has been deprecated " with gradle 8.6-rc-3 ### Tools. Gradle. Cocoapods - [`KT-79429`](https://youtrack.jetbrains.com/issue/KT-79429) K/N: Cocoapods: IllegalArgumentException: "cinterop doesn't support having headers in -fmodules mode" with 2.2.20-Beta1 if explicitly not specify false for 'useClangModules' - [`KT-76035`](https://youtrack.jetbrains.com/issue/KT-76035) Allow extra command line arguments in PodBuildTask - [`KT-78387`](https://youtrack.jetbrains.com/issue/KT-78387) Kotlin Cocoapods Gradle Plugin is not compatible with Gradle isolated projects ### Tools. Gradle. JS - [`KT-79237`](https://youtrack.jetbrains.com/issue/KT-79237) Upgrade NPM dependencies versions - [`KT-75480`](https://youtrack.jetbrains.com/issue/KT-75480) Add shared source set for js and wasmJs target - [`KT-77319`](https://youtrack.jetbrains.com/issue/KT-77319) KJS / Gradle: generateTypeScriptDefinitions() generates wrong file extension when outputting ES modules - [`KT-78504`](https://youtrack.jetbrains.com/issue/KT-78504) [2.2.0-RC3] NPM Tasks in 2.2 RCs produce broken/unusable build cache entries - [`KT-77443`](https://youtrack.jetbrains.com/issue/KT-77443) NPE: "NullPointerException: Cannot invoke org.gradle.api.tasks.TaskProvider.flatMap(org.gradle.api.Transformer)": ExecutableWasm.optimizeTask is accessed before initialization - [`KT-76987`](https://youtrack.jetbrains.com/issue/KT-76987) JS, Wasm: Upgrade NPM dependencies ### Tools. Gradle. Multiplatform #### New Features - [`KT-76446`](https://youtrack.jetbrains.com/issue/KT-76446) Add kotlin-level dependency block to work the same way as commonMain/commonTest dependencies blocks #### Fixes - [`KT-79559`](https://youtrack.jetbrains.com/issue/KT-79559) AGP complains about configurations resolved at configuration time due to KMP partially resolved dependencies diagnostic - [`KT-69790`](https://youtrack.jetbrains.com/issue/KT-69790) Report human-readable error when declared dependency doesn't support required target types - [`KT-77843`](https://youtrack.jetbrains.com/issue/KT-77843) KGP fails with Gradle 9 on `ProjectDependency.getDependencyProject()` - [`KT-79315`](https://youtrack.jetbrains.com/issue/KT-79315) Early task materialization with cross-project configuration breaks configuration due to KMP partial resolution checker - [`KT-78297`](https://youtrack.jetbrains.com/issue/KT-78297) FileNotFoundException in generateMetadataFile task if non-packed=false - [`KT-78993`](https://youtrack.jetbrains.com/issue/KT-78993) The value for property '*' property 'dependencies' is final and cannot be changed any further - [`KT-62294`](https://youtrack.jetbrains.com/issue/KT-62294) kotlin-parcelize plugin does not support the new android kotlin multiplatform plugin - [`KT-77466`](https://youtrack.jetbrains.com/issue/KT-77466) KMP - testFixturesApi and similar configurations do not affect jvmTestFixtures source set - [`KT-78433`](https://youtrack.jetbrains.com/issue/KT-78433) Gradle: add tracking of the new KMP compilation scheme to FUS - [`KT-78431`](https://youtrack.jetbrains.com/issue/KT-78431) Gradle: in-process metadata compiler uses deprecated K2MetadataCompiler ### Tools. Gradle. Native - [`KT-74864`](https://youtrack.jetbrains.com/issue/KT-74864) Enable exporting KDocs by default to ObjC - [`KT-51301`](https://youtrack.jetbrains.com/issue/KT-51301) Remove ability to use Native non-embeddable compiler jar in Gradle plugin - [`KT-78838`](https://youtrack.jetbrains.com/issue/KT-78838) Add default 3G max heap size for the commonizer JVM process ### Tools. Gradle. Swift Export - [`KT-78385`](https://youtrack.jetbrains.com/issue/KT-78385) Swift Export is not compatible with Gradle isolated projects ### Tools. Incremental Compile - [`KT-60653`](https://youtrack.jetbrains.com/issue/KT-60653) IC does not handle changes in inline functions objects/lambdas correctly - [`KT-78807`](https://youtrack.jetbrains.com/issue/KT-78807) Changing ABI fingerprint on non-ABI changes when lambda passed to inlined function ### Tools. JPS - [`KT-77347`](https://youtrack.jetbrains.com/issue/KT-77347) Support file-less compatible IC approach - [`KT-78444`](https://youtrack.jetbrains.com/issue/KT-78444) Clean up JPS code base ### Tools. Kapt - [`KT-79138`](https://youtrack.jetbrains.com/issue/KT-79138) K2: KAPT Java Stub Gen: `Unresolved reference` with `@kotlin`.Metadata in Java in 2.2.0 - [`KT-79133`](https://youtrack.jetbrains.com/issue/KT-79133) K2 kapt: class literal with typealias is not expanded ### Tools. Maven - [`KT-77587`](https://youtrack.jetbrains.com/issue/KT-77587) Maven: Introduce Kotlin daemon support and make it enabled by default - [`KT-63688`](https://youtrack.jetbrains.com/issue/KT-63688) Remove JS-related stuff from kotlin-maven-plugin ### Tools. REPL - [`KT-78755`](https://youtrack.jetbrains.com/issue/KT-78755) [K2 Repl] Redeclaring variables does not work ### Tools. Statistics (FUS) - [`KT-77755`](https://youtrack.jetbrains.com/issue/KT-77755) [FUS Pipeline] Fus file format - [`KT-77995`](https://youtrack.jetbrains.com/issue/KT-77995) Do not collect FUS metrics on TeamCity ### Tools. Wasm - [`KT-78921`](https://youtrack.jetbrains.com/issue/KT-78921) K/Wasm: don't generate empty yarn.lock file - [`KT-76842`](https://youtrack.jetbrains.com/issue/KT-76842) K/Wasm: serve project sources in *DevRun tasks by default - [`KT-75714`](https://youtrack.jetbrains.com/issue/KT-75714) Wasm: Move tooling NPM dependencies outside user project - [`KT-70013`](https://youtrack.jetbrains.com/issue/KT-70013) .gradle/yarn and .gradle/node are part of Gradle configuration cache

## Changelog ### Compiler - [`KT-78501`](https://youtrack.jetbrains.com/issue/KT-78501) K2: Missing [ABSTRACT_SUPER_CALL] diagnostics for delegated interface method leads to AssertionError: isCompiledToJvmDefault during IR lowering - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) IR lowering failed / Unexpected null argument for composable call - [`KT-76477`](https://youtrack.jetbrains.com/issue/KT-76477) Kotlin/Native: fix compiler performance reporting in sources->klib and klibs->binary - [`KT-78736`](https://youtrack.jetbrains.com/issue/KT-78736) Missing [NOT_YET_SUPPORTED_IN_INLINE] diagnostics because of incorrect context update - [`KT-77685`](https://youtrack.jetbrains.com/issue/KT-77685) "IllegalArgumentException: Sequence contains more than one matching element" - [`KT-76365`](https://youtrack.jetbrains.com/issue/KT-76365) K2: Missing ABSTRACT_SUPER_CALL - [`KT-78352`](https://youtrack.jetbrains.com/issue/KT-78352) False-positive IDENTITY_SENSITIVE_OPERATIONS_WITH_VALUE_TYPE when comparing with equality operator (==) ### Compose compiler - [`KT-78479`](https://youtrack.jetbrains.com/issue/KT-78479) Ensure that default transform affects functions entered through a call - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) Fix visibility for default wrappers of protected methods - [`b/408492167`](https://issuetracker.google.com/issues/408492167) Emit parameter names in Compose source information ### Native. Runtime. Memory - [`KT-78925`](https://youtrack.jetbrains.com/issue/KT-78925) Crash SIGABRT on Apple Watch after updating Kotlin to 2.2.0 ### Tools. CLI - [`KT-77445`](https://youtrack.jetbrains.com/issue/KT-77445) UNRESOLVED_REFERENCE when importing classes from kotlin-stdlib - [`KT-78263`](https://youtrack.jetbrains.com/issue/KT-78263) java.lang.NoClassDefFoundError: Could not initialize class com.intellij.psi.impl.PsiSubstitutorImpl - [`KT-78318`](https://youtrack.jetbrains.com/issue/KT-78318) Unresolved reference when compiling kotlin/JS project on fresh master ### Tools. Compiler Plugins - [`KT-78490`](https://youtrack.jetbrains.com/issue/KT-78490) "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" when calling protected open composable with default argument - [`KT-78038`](https://youtrack.jetbrains.com/issue/KT-78038) Make jvm-abi-gen compiler plugin output classloader-friendly ### Tools. Gradle - [`KT-77023`](https://youtrack.jetbrains.com/issue/KT-77023) Support creating KotlinJvmAndroidCompilation in KotlinBaseApiPlugin ### Tools. Gradle. JS - [`KT-78504`](https://youtrack.jetbrains.com/issue/KT-78504) [2.2.0-RC3] NPM Tasks in 2.2 RCs produce broken/unusable build cache entries ### Tools. Gradle. Multiplatform - [`KT-77466`](https://youtrack.jetbrains.com/issue/KT-77466) KMP - testFixturesApi and similar configurations do not affect jvmTestFixtures source set - [`KT-68646`](https://youtrack.jetbrains.com/issue/KT-68646) Compose extension's metrics/reports dir should use subdirs based on target ### Tools. Gradle. Native - [`KT-77977`](https://youtrack.jetbrains.com/issue/KT-77977) "Unknown hardware platform: riscv64" on JVM project build ### Tools. Incremental Compile - [`KT-78807`](https://youtrack.jetbrains.com/issue/KT-78807) Changing ABI fingerprint on non-ABI changes when lambda passed to inlined function ### Tools. Kapt - [`KT-77853`](https://youtrack.jetbrains.com/issue/KT-77853) K2 KAPT: backend internal error: exception during IR fake override builder

## Changelog ### Analysis API - [`KT-78187`](https://youtrack.jetbrains.com/issue/KT-78187) Synthetic properties not to be shown as callables - [`KT-72525`](https://youtrack.jetbrains.com/issue/KT-72525) K2. red code and KIWA on new-lines in guarded when conditions (with parentheses) - [`KT-61728`](https://youtrack.jetbrains.com/issue/KT-61728) Analysis API: optimize AllCandidatesResolver.getAllCandidates ### Analysis API. Code Compilation - [`KT-76457`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-73084) K2 evaluator cannot resolve local variables standing at the closing brace ### Analysis API. FIR #### Performance Improvements - [`KT-78132`](https://youtrack.jetbrains.com/issue/KT-78132) Do not check FirElementBuilder#tryGetFirWithoutBodyResolve optimization for already resolved declarations #### Fixes - [`KT-72357`](https://youtrack.jetbrains.com/issue/KT-72357) Implement partial body resolution - [`KT-77629`](https://youtrack.jetbrains.com/issue/KT-77629) K2: NPE: "org.jetbrains.kotlin.fir.java.declarations.FirJavaTypeParameter.performFirstRoundOfBoundsResolution" - [`KT-76855`](https://youtrack.jetbrains.com/issue/KT-76855) Analysis API: `KaType.asPsiType` returns `null` for a local inner class in dependent analysis tests - [`KT-72718`](https://youtrack.jetbrains.com/issue/KT-72718) ImplicitReceiverValue.createSnapshot creates invalid FIR if receiver is smart-casted - [`KT-76811`](https://youtrack.jetbrains.com/issue/KT-76811) Analysis API: `resolveToFirSymbol` finds a `FirPropertySymbol` for a `KtScript` in dependent analysis - [`KT-73586`](https://youtrack.jetbrains.com/issue/KT-73586) [Analysis API] Add `lazyResolveToPhase(STATUS)` before accessing modifiers of members - [`KT-71135`](https://youtrack.jetbrains.com/issue/KT-71135) AA: exception from sealed inheritors checker when `analyzeCopy` - [`KT-75534`](https://youtrack.jetbrains.com/issue/KT-75534) K2 AA: "Containing declaration should present for nested declaration class KtNamedFunction" with dangling annotation on top-level anonymous function - [`KT-75687`](https://youtrack.jetbrains.com/issue/KT-75687) K2: local variable doesn't get to the do-while scope - [`KT-56543`](https://youtrack.jetbrains.com/issue/KT-56543) LL FIR: rework lazy transformers so transformers modify only declarations they suppose to ### Analysis API. Infrastructure - [`KT-76809`](https://youtrack.jetbrains.com/issue/KT-76809) Analysis API: Dependent analysis tests frequently work with the original element instead of the copied element ### Analysis API. Light Classes - [`KT-78076`](https://youtrack.jetbrains.com/issue/KT-78076) DLC: KotlinDeclarationInCompiledFileSearcher missed accessors if types are boxed - [`KT-77569`](https://youtrack.jetbrains.com/issue/KT-77569) SLC: annotation missing from generated no-args constructor - [`KT-75182`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-77564) Constructor with JvmOverloads and value class shouldn't mark regular constructors private - [`KT-77505`](https://youtrack.jetbrains.com/issue/KT-77505) K2: find usages on java accessor methods do not detect kotlin property accessor usages - [`KT-76789`](https://youtrack.jetbrains.com/issue/KT-76789) Annotation resolve shouldn't search through non-class members - [`KT-76907`](https://youtrack.jetbrains.com/issue/KT-76907) Wrong equality between repeatable annotation and container ### Analysis API. Providers and Caches - [`KT-74907`](https://youtrack.jetbrains.com/issue/KT-74907) Analysis API: Apply platform-based library module content restrictions consistently - [`KT-77578`](https://youtrack.jetbrains.com/issue/KT-77578) Analysis API: Performance degradation of `KaBaseResolutionScope.contains` after introduction of library restriction scopes - [`KT-77605`](https://youtrack.jetbrains.com/issue/KT-77605) AA: Leaking KaDanglingFileModule through IdeKotlinPackageProvider - [`KT-62474`](https://youtrack.jetbrains.com/issue/KT-62474) Analysis API: Improve mergeability and performance of custom search scopes - [`KT-77022`](https://youtrack.jetbrains.com/issue/KT-77022) Get rid of ExpectBuiltinPostProcessor workaround - [`KT-77248`](https://youtrack.jetbrains.com/issue/KT-77248) Delegation of `JavaModuleResolver` is restricted to `CliJavaModuleResolver` - [`KT-76850`](https://youtrack.jetbrains.com/issue/KT-76850) LLFirLibrarySession cannot be cast to LLFirResolvableModuleSession - [`KT-76952`](https://youtrack.jetbrains.com/issue/KT-76952) Analysis API: `when` exhaustiveness analysis fails for sealed classes in dangling files - [`KT-72390`](https://youtrack.jetbrains.com/issue/KT-72390) Kotlin project full of red code ### Analysis API. Stubs and Decompilation - [`KT-77496`](https://youtrack.jetbrains.com/issue/KT-77496) Support HAS_MUST_USE_RETURN_VALUE metadata flags in FirStubBasedMemberDeserializer - [`KT-77778`](https://youtrack.jetbrains.com/issue/KT-77778) Function receivers doesn't have annotations - [`KT-77777`](https://youtrack.jetbrains.com/issue/KT-77777) Receiver annotations shouldn't be present on types - [`KT-77538`](https://youtrack.jetbrains.com/issue/KT-77538) Support default property accessors with annotations - [`KT-77763`](https://youtrack.jetbrains.com/issue/KT-77763) Decompiled stubs miss inline modifier for property accessors - [`KT-77309`](https://youtrack.jetbrains.com/issue/KT-77309) Decompiled property from annotation constructor with default value should have a constant initializer - [`KT-77168`](https://youtrack.jetbrains.com/issue/KT-77168) Prefer DataInputOutputUtil for serialization/deserialization - [`KT-77117`](https://youtrack.jetbrains.com/issue/KT-77117) Flaky WRONG_ANNOTATION_TARGET diagnostic - [`KT-76791`](https://youtrack.jetbrains.com/issue/KT-76791) Function signature types are deserialized inconsistently - [`KT-76947`](https://youtrack.jetbrains.com/issue/KT-76947) Support functional types with context parameters ### Analysis API. Surface #### New Features - [`KT-77278`](https://youtrack.jetbrains.com/issue/KT-77278) Implement psi-based `KaFirKotlinPropertyKtPropertyBasedSymbol#hasBackingField` - [`KT-70770`](https://youtrack.jetbrains.com/issue/KT-70770) KaLocalVariableSymbol: support `isLateInit` #### Fixes - [`KT-75913`](https://youtrack.jetbrains.com/issue/KT-75913) K2: SymbolLightLazyAnnotation evaluates arguments and replaces them with constants - [`KT-78278`](https://youtrack.jetbrains.com/issue/KT-78278) ISE: FIR element "class org.jetbrains.kotlin.fir.expressions.impl.FirErrorResolvedQualifierImpl" is not supported in constant evaluation at org.jetbrains.uast.kotlin.internal.FirKotlinUastConstantEvaluator.evaluate - [`KT-73327`](https://youtrack.jetbrains.com/issue/KT-73327) Cover all psi inputs with scope validity assertions - [`KT-71876`](https://youtrack.jetbrains.com/issue/KT-71876) Support storing parameter names in `KaFunctionType` - [`KT-77738`](https://youtrack.jetbrains.com/issue/KT-77738) AA: inconsistent `KaType.allSupertypes` regarding multiple iterations - [`KT-73723`](https://youtrack.jetbrains.com/issue/KT-73723) K2 AA, KaFirVisibilityChecker: protected member of superclass is not visible from anonymous object - [`KT-78057`](https://youtrack.jetbrains.com/issue/KT-78057) [Analysis API, K2] Context parameters are not resolved in KDoc - [`KT-73758`](https://youtrack.jetbrains.com/issue/KT-73758) K2 Mode: "KaEvaluator.evaluate" does not work for simple arithmetic expressions - [`KT-72301`](https://youtrack.jetbrains.com/issue/KT-72301) K2 AA. `PSI should present for declaration built by Kotlin code` on property access syntax of generic Java getter through Kotlin subclass - [`KT-77730`](https://youtrack.jetbrains.com/issue/KT-77730) K2: Unable to get a light PSI for a nested annotation used with fully-qualified name - [`KT-73216`](https://youtrack.jetbrains.com/issue/KT-73216) K2: unresolvable references in type parameters - [`KT-71794`](https://youtrack.jetbrains.com/issue/KT-71794) Analysis API: Types with errors have unresolved qualifiers in lambda parameters position - [`KT-65846`](https://youtrack.jetbrains.com/issue/KT-65846) Support parameter names in functional type rendering - [`KT-76738`](https://youtrack.jetbrains.com/issue/KT-76738) K2 AA: rendering constructor of sealed class inserts protected modifier - [`KT-77515`](https://youtrack.jetbrains.com/issue/KT-77515) `KaTypeProvider#receiverType` should be more tolerant to an error code - [`KT-77333`](https://youtrack.jetbrains.com/issue/KT-77333) K2 AA: KaFirTypeProvider.getType: InvalidFirElementTypeException: For TYPE_REFERENCE with text `I`, unexpected element of type: FirSuperReceiverExpressionImpl found - [`KT-76044`](https://youtrack.jetbrains.com/issue/KT-76044) K2 AA: isFun is true for restored symbol of Java interface with several methods - [`KT-77264`](https://youtrack.jetbrains.com/issue/KT-77264) `KaTypeProvider#type` should be more tolerant to an error code - [`KT-77282`](https://youtrack.jetbrains.com/issue/KT-77282) KaPropertySymbol: support `isDelegatedProperty` for libraries - [`KT-77254`](https://youtrack.jetbrains.com/issue/KT-77254) K2 AA: expectedType doesn't provide anything for parameter default value - [`KT-74777`](https://youtrack.jetbrains.com/issue/KT-74777) KaVariableSymbol.hasBackingField returns incorrect result for libraries - [`KT-77280`](https://youtrack.jetbrains.com/issue/KT-77280) Rename `KaPropertyAccessorSymbol#isCustom` to `isNotDefault` - [`KT-77210`](https://youtrack.jetbrains.com/issue/KT-77210) Analysis API: `scopeContext` shows implicit receiver with a class instance in the class constructor - [`KT-77196`](https://youtrack.jetbrains.com/issue/KT-77196) Clarify differences between KaPropertyAccessorSymbol#{isDefault, hasBody} - [`KT-76577`](https://youtrack.jetbrains.com/issue/KT-76577) Guard KaFirStopWorldCacheCleaner from deadlocks via threads waiting - [`KT-76580`](https://youtrack.jetbrains.com/issue/KT-76580) K2: No expected type for the second+ vararg argument - [`KT-76750`](https://youtrack.jetbrains.com/issue/KT-76750) K2. internal exception 'Unable to provide inlay hint' on typo in nested lambdas - [`KT-73055`](https://youtrack.jetbrains.com/issue/KT-73055) Get rid of the deprecated Analysis API API - [`KT-70199`](https://youtrack.jetbrains.com/issue/KT-70199) K2: ConcurrentModificationException at FirCallCompleter$LambdaAnalyzerImpl.analyzeAndGetLambdaReturnArguments ### Backend. Wasm #### Performance Improvements - [`KT-70097`](https://youtrack.jetbrains.com/issue/KT-70097) Optimize shared primitive variables in Native and Wasm #### Fixes - [`KT-67554`](https://youtrack.jetbrains.com/issue/KT-67554) [Wasm] Consider to have reference equals or/and equals for function references - [`KT-71521`](https://youtrack.jetbrains.com/issue/KT-71521) K/Wasm: incorrect results on equality checks for capturing property references - [`KT-71522`](https://youtrack.jetbrains.com/issue/KT-71522) K/Wasm: incorrect results on equality checks for function references - [`KT-77897`](https://youtrack.jetbrains.com/issue/KT-77897) WasmJs: ClassCastException when using star-projection with nullable transformation in generic extension function - [`KT-71517`](https://youtrack.jetbrains.com/issue/KT-71517) K/Wasm: KClass::qualifiedName for local classes and objects returns non-null value - [`KT-68309`](https://youtrack.jetbrains.com/issue/KT-68309) WASM: Anonymous class simpleName returns "<no name provided>" instead of null - [`KT-77272`](https://youtrack.jetbrains.com/issue/KT-77272) K/Wasm: Remove kotlin.wasm.internal.ClosureBox* classes from the standard library - [`KT-78036`](https://youtrack.jetbrains.com/issue/KT-78036) K/Wasm: generate a message with "expected" and "actual" types in case of CCE - [`KT-66106`](https://youtrack.jetbrains.com/issue/KT-66106) Wasm: lambda was not invoked in test lambda2.kt - [`KT-77855`](https://youtrack.jetbrains.com/issue/KT-77855) [Wasm] Improve virtual function calls speed for lambdas - [`KT-77501`](https://youtrack.jetbrains.com/issue/KT-77501) Wasm: unsigned vararg compiles to invalid Wasm - [`KT-76775`](https://youtrack.jetbrains.com/issue/KT-76775) [Wasm] Inconsistent FP mod operation - [`KT-77464`](https://youtrack.jetbrains.com/issue/KT-77464) Wasm: KType.toString() has simple names even with -Xwasm-kclass-fqn - [`KT-77465`](https://youtrack.jetbrains.com/issue/KT-77465) Wasm: KTypeParamter printed without variance information ### Compiler #### New Features - [`KT-32313`](https://youtrack.jetbrains.com/issue/KT-32313) Support contracts for operator functions - [`KT-27090`](https://youtrack.jetbrains.com/issue/KT-27090) Support contracts in getter and setter for top-level extension properties - [`KT-76766`](https://youtrack.jetbrains.com/issue/KT-76766) Warning is missing for wrong subclass checking - [`KT-45683`](https://youtrack.jetbrains.com/issue/KT-45683) Allow generics in contract type assertions - [`KT-65688`](https://youtrack.jetbrains.com/issue/KT-65688) Generate when-expressions over final classes via invokedynamic typeSwitch + tableswitch on JDK 21+ - [`KT-54344`](https://youtrack.jetbrains.com/issue/KT-54344) Trigger the unused expression warning for interpolated strings, even when the expression may have side effects - [`KT-74807`](https://youtrack.jetbrains.com/issue/KT-74807) Implement 'full' unused return value checker mode - [`KT-77653`](https://youtrack.jetbrains.com/issue/KT-77653) K/N: an optimization pass to remove redundant type checks - [`KT-64477`](https://youtrack.jetbrains.com/issue/KT-64477) Enhance KotlinLightParser to make it able to parse scripts - [`KT-73256`](https://youtrack.jetbrains.com/issue/KT-73256) Implement `all` meta-target for annotations #### Performance Improvements - [`KT-74981`](https://youtrack.jetbrains.com/issue/KT-74981) Kotlin/Native: large binary size for iOS target in 2.1.0(LLVM16) - [`KT-77838`](https://youtrack.jetbrains.com/issue/KT-77838) K2: consider replacing LinkedHashMap with HashMap inside scopes and scope session - [`KT-77993`](https://youtrack.jetbrains.com/issue/KT-77993) Optimize old PSI/LightTree Kotlin parser - [`KT-76698`](https://youtrack.jetbrains.com/issue/KT-76698) Android Studio compose preview holds read lock 700ms for KaCompilerFacility API - [`KT-68677`](https://youtrack.jetbrains.com/issue/KT-68677) Kotlin compilation issue when using EnumMap and Pair #### Fixes - [`KT-76635`](https://youtrack.jetbrains.com/issue/KT-76635) Implement Data-Flow Based Exhaustiveness Support - [`KT-76839`](https://youtrack.jetbrains.com/issue/KT-76839) False-negative MISSING_DEPENDENCY_CLASS on parameter of data class constructor - [`KT-77685`](https://youtrack.jetbrains.com/issue/KT-77685) "IllegalArgumentException: Sequence contains more than one matching element" - [`KT-76365`](https://youtrack.jetbrains.com/issue/KT-76365) K2: Missing ABSTRACT_SUPER_CALL - [`KT-77709`](https://youtrack.jetbrains.com/issue/KT-77709) Missing diagnostics of accessing less visible objects in inline function - [`KT-77577`](https://youtrack.jetbrains.com/issue/KT-77577) False positive exposed type warnings - [`KT-77095`](https://youtrack.jetbrains.com/issue/KT-77095) FIR: Report warnings on exposure of references to invisible references in inline functions - [`KT-76981`](https://youtrack.jetbrains.com/issue/KT-76981) Move exposed type checker to regular checkers - [`KT-76478`](https://youtrack.jetbrains.com/issue/KT-76478) FIR: Implement IDE-only checker for types exposed in inline function - [`KT-71854`](https://youtrack.jetbrains.com/issue/KT-71854) K2 IDE. False positive red code because of external annotation on a generic parameter - [`KT-67335`](https://youtrack.jetbrains.com/issue/KT-67335) K2: Infers Int instead of Long for an ILT - [`KT-77728`](https://youtrack.jetbrains.com/issue/KT-77728) Drop controversial experimental checkers - [`KT-17417`](https://youtrack.jetbrains.com/issue/KT-17417) Loops in delegation: no compilation error on non-abstract class with abstract method that never implemented - [`KT-75033`](https://youtrack.jetbrains.com/issue/KT-75033) Split JvmBackendPipelinePhase to be able to provide a custom implementation of writeOutputs - [`KT-67146`](https://youtrack.jetbrains.com/issue/KT-67146) `UPPER_BOUND_VIOLATED` missing on implicit type arguments - [`KT-75268`](https://youtrack.jetbrains.com/issue/KT-75268) K2: Implement the new compilation scheme for MPP (compiler part) - [`KT-76739`](https://youtrack.jetbrains.com/issue/KT-76739) Dubious argument type mismatch "actual type is 'String', but 'String' was expected" caused by wrong number of type arguments - [`KT-76872`](https://youtrack.jetbrains.com/issue/KT-76872) Anonymous context parameters are not visible in debugger - [`KT-74088`](https://youtrack.jetbrains.com/issue/KT-74088) Kotlin Debugger: CCE on evaluating private suspend function - [`KT-78230`](https://youtrack.jetbrains.com/issue/KT-78230) Add more test cases to the holdsIn contracts - [`KT-78111`](https://youtrack.jetbrains.com/issue/KT-78111) K2: Approximation of captured star projection in function type produces `Function1<Nothing?, Unit>` in IR - [`KT-77273`](https://youtrack.jetbrains.com/issue/KT-77273) K/N: Remove the kotlin.native.internal.Ref class from the standard library - [`KT-73995`](https://youtrack.jetbrains.com/issue/KT-73995) JVM bytecode: Bad name for value class field - [`KT-73013`](https://youtrack.jetbrains.com/issue/KT-73013) Kotlin Debugger: ISE “No mapping for symbol: VALUE_PARAMETER” on evaluating callable reference to local function with closure in it - [`KT-77485`](https://youtrack.jetbrains.com/issue/KT-77485) Add constraints logging to inference - [`KT-76504`](https://youtrack.jetbrains.com/issue/KT-76504) Find and deprecate actively used parts of K1 API - [`KT-75338`](https://youtrack.jetbrains.com/issue/KT-75338) K2 Mode: False positive "Redundant assignment" diagnostic on variable captured by local function - [`KT-77648`](https://youtrack.jetbrains.com/issue/KT-77648) K2: False negative DSL_SCOPE_VIOLATION when using named argument for lambda with annotated function type - [`KT-64499`](https://youtrack.jetbrains.com/issue/KT-64499) Report error on overloading by order of context parameters - [`KT-78084`](https://youtrack.jetbrains.com/issue/KT-78084) Unify deprecation warning messages - [`KT-76776`](https://youtrack.jetbrains.com/issue/KT-76776) `@MustUseReturnValue` doesn't affect nested scopes - [`KT-77545`](https://youtrack.jetbrains.com/issue/KT-77545) `@NoInfer` on receiver type leads to false positive type mismatch when generic type is specified explicitly and closest implicit receiver is of incorrect type - [`KT-76772`](https://youtrack.jetbrains.com/issue/KT-76772) `@NoInfer` on a context parameter's type leads to a false-positive context argument ambiguity error regardless of the closest implicit values' types if there are multiple of them at the call site - [`KT-76771`](https://youtrack.jetbrains.com/issue/KT-76771) `@NoInfer` on context parameter type leads to a false-positive type mismatch when generic type is specified explicitly and closest implicit value at the call site is of a mismatching type - [`KT-77156`](https://youtrack.jetbrains.com/issue/KT-77156) INITIALIZATION_BEFORE_DECLARATION is not reported in anonymous object - [`KT-78060`](https://youtrack.jetbrains.com/issue/KT-78060) UNRESOLVED_REFERENCE in fp-space - [`KT-67555`](https://youtrack.jetbrains.com/issue/KT-67555) Debug metadata: map the Continuation label to the next executable location in file - [`KT-77756`](https://youtrack.jetbrains.com/issue/KT-77756) Add experimental language version 2.4 - [`KT-77723`](https://youtrack.jetbrains.com/issue/KT-77723) Refine the message for ArrayEqualityCanBeReplacedWithEquals checker - [`KT-75178`](https://youtrack.jetbrains.com/issue/KT-75178) Inline functions in conjunction with `@JvmStatic` may result in bytecode errors - [`KT-77390`](https://youtrack.jetbrains.com/issue/KT-77390) Prototype lazy loading of stdlib symbols in Native - [`KT-77921`](https://youtrack.jetbrains.com/issue/KT-77921) False positive EXTENSION_SHADOWED_BY_MEMBER when member has context parameters - [`KT-76767`](https://youtrack.jetbrains.com/issue/KT-76767) AMBIGUOUS_CONTEXT_ARGUMENT should report the name of the context parameter in addition to the type - [`KT-77444`](https://youtrack.jetbrains.com/issue/KT-77444) K2: False negative "Unchecked cast" with casting from MutableList<out T> to MutableList<T> - [`KT-63348`](https://youtrack.jetbrains.com/issue/KT-63348) K2: FIR2IR should properly pass expected types - [`KT-17460`](https://youtrack.jetbrains.com/issue/KT-17460) Diagnostics and intention on suspend function that is overriden with non-suspend one. - [`KT-77627`](https://youtrack.jetbrains.com/issue/KT-77627) K2: consider getting rid of NEW_INFERENCE_ERROR - [`KT-75833`](https://youtrack.jetbrains.com/issue/KT-75833) K2: Extra [ANNOTATION_ARGUMENT_MUST_BE_CONST] when passing regex-like strings as annotation arguments - [`KT-77547`](https://youtrack.jetbrains.com/issue/KT-77547) Native: add a check that the logic looking for stdlib-related bitcode is not used when compiling sources to a klib - [`KT-77206`](https://youtrack.jetbrains.com/issue/KT-77206) Remove `PARAMETER_NAME_CHANGED_ON_OVERRIDE` suppression in KMP lexers - [`KT-77679`](https://youtrack.jetbrains.com/issue/KT-77679) Update syntax-api dependency in KMP Kotlin parser - [`KT-77705`](https://youtrack.jetbrains.com/issue/KT-77705) K2: Consuming data class compiled with kotlin 1.0.5 breaks the K2 compiler - [`KT-77563`](https://youtrack.jetbrains.com/issue/KT-77563) False-positive smart cast with captured local in init block causes NPE - [`KT-77696`](https://youtrack.jetbrains.com/issue/KT-77696) ISE "couldn't find inline method" on kotlin/Result compiled by old Kotlin version - [`KT-76931`](https://youtrack.jetbrains.com/issue/KT-76931) K2: Annotation on do-while expression captures variables from inside the loop - [`KT-77183`](https://youtrack.jetbrains.com/issue/KT-77183) Metadata: remove multi-field value class representation - [`KT-77678`](https://youtrack.jetbrains.com/issue/KT-77678) Apply found optimization to Kotlin KMP parser - [`KT-60127`](https://youtrack.jetbrains.com/issue/KT-60127) K2: Support scripts with LightTree-based raw FIR building - [`KT-77656`](https://youtrack.jetbrains.com/issue/KT-77656) K/N: fix the super type for local delegated properties - [`KT-75907`](https://youtrack.jetbrains.com/issue/KT-75907) Inference/PCLA: consider storing semi-fixed variables in inference session - [`KT-77144`](https://youtrack.jetbrains.com/issue/KT-77144) Implement KMP Kotlin parser - [`KT-77352`](https://youtrack.jetbrains.com/issue/KT-77352) Implement KMP Expression parser - [`KT-76984`](https://youtrack.jetbrains.com/issue/KT-76984) SYNCHRONIZED_BLOCK_ON_JAVA_VALUE_BASED_CLASS isn't reported for primitive wrapper classes instantiated within the scope - [`KT-67471`](https://youtrack.jetbrains.com/issue/KT-67471) K2: "Unresolved reference" on incorrect term of FQ name - [`KT-77269`](https://youtrack.jetbrains.com/issue/KT-77269) [K/N] external calls checker crashes when used with caches - [`KT-74133`](https://youtrack.jetbrains.com/issue/KT-74133) FIR: use EmptyDeprecationsPerUseSite consistently in symbols - [`KT-77100`](https://youtrack.jetbrains.com/issue/KT-77100) java.lang.Void type is not ignorable - [`KT-77491`](https://youtrack.jetbrains.com/issue/KT-77491) K2: No SUPERTYPE_IS_EXTENSION_FUNCTION_TYPE when using typealias - [`KT-77490`](https://youtrack.jetbrains.com/issue/KT-77490) Report error on contextual function type in supertype - [`KT-77431`](https://youtrack.jetbrains.com/issue/KT-77431) Functional type with a context is allowed as an upper-bound - [`KT-77432`](https://youtrack.jetbrains.com/issue/KT-77432) Context isn't passed properly when functional type with a context is used as a type argument - [`KT-77417`](https://youtrack.jetbrains.com/issue/KT-77417) There is no TYPE_VARIANCE_CONFLICT_ERROR when 'out' type is used in context - [`KT-62631`](https://youtrack.jetbrains.com/issue/KT-62631) Improve expect-actual "checking" incompatibilities reporting - [`KT-77481`](https://youtrack.jetbrains.com/issue/KT-77481) Support ExpectRefinement feature in HMPP compilation scheme - [`KT-77268`](https://youtrack.jetbrains.com/issue/KT-77268) Make sure that -Xreturn-value-checker also enables -XX:UnnamedLocalVariables - [`KT-65719`](https://youtrack.jetbrains.com/issue/KT-65719) K1/K2: Nullness defaults from subclass unsoundly applied to method in superclass - [`KT-53836`](https://youtrack.jetbrains.com/issue/KT-53836) In type-parameter declarations, recognize JSpecify annotations only on *bounds* - [`KT-73658`](https://youtrack.jetbrains.com/issue/KT-73658) JSpecify `@NonNull` annotation on type-parameter bound prevents type-variable usages from being platform types - [`KT-77000`](https://youtrack.jetbrains.com/issue/KT-77000) Leave ForbidInferOfInvisibleTypeAsReifiedOrVararg as a warning - [`KT-74084`](https://youtrack.jetbrains.com/issue/KT-74084) K2: False negative [NO_ELSE_IN_WHEN] - [`KT-77451`](https://youtrack.jetbrains.com/issue/KT-77451) FirLazyResolveContractViolationException for test with overridden delegate - [`KT-77257`](https://youtrack.jetbrains.com/issue/KT-77257) Report compilation error when in generated JVM bytecode there is a need for CHECKCAST of the conditional expression to the inaccessible interface - [`KT-77256`](https://youtrack.jetbrains.com/issue/KT-77256) Report compilation error when in generated JVM bytecode there is a need for CHECKCAST of the functional call result to the inaccessible interface - [`KT-76356`](https://youtrack.jetbrains.com/issue/KT-76356) K2 evaluation fails on evaluating inline methods if there is an inline with AutoCloseable - [`KT-73786`](https://youtrack.jetbrains.com/issue/KT-73786) Evaluator: cannot evaluate inline methods with reified parameter - [`KT-77204`](https://youtrack.jetbrains.com/issue/KT-77204) Native: XCode strip command causes flaky tests - [`KT-77351`](https://youtrack.jetbrains.com/issue/KT-77351) Implement KMP KDoc parser - [`KT-76597`](https://youtrack.jetbrains.com/issue/KT-76597) False negative opt-in required on delegated constructor call - [`KT-76667`](https://youtrack.jetbrains.com/issue/KT-76667) Mark the class implementation of interface function with ACC_BRIDGE in the class file - [`KT-77181`](https://youtrack.jetbrains.com/issue/KT-77181) K2: a nested typealias annotation observes member declarations of the outer class - [`KT-77180`](https://youtrack.jetbrains.com/issue/KT-77180) K2: Wrong scope for annotation arguments in the constructor header - [`KT-77287`](https://youtrack.jetbrains.com/issue/KT-77287) Try enforcing `source != null` when `origin == Source` - [`KT-76135`](https://youtrack.jetbrains.com/issue/KT-76135) K2: drop pre-1.8 language features from compiler code - [`KT-77231`](https://youtrack.jetbrains.com/issue/KT-77231) Reflection: CCE on resuming coroutine after callSuspend if result is a generic inline class substituted with primitive - [`KT-77031`](https://youtrack.jetbrains.com/issue/KT-77031) Investigate the actual need of deduplicating provider in HMPP compilation scheme - [`KT-77050`](https://youtrack.jetbrains.com/issue/KT-77050) Implement KMP KDoc lexer - [`KT-77048`](https://youtrack.jetbrains.com/issue/KT-77048) Implement KMP Kotlin lexer - [`KT-77044`](https://youtrack.jetbrains.com/issue/KT-77044) Consolidate, refine and update jFlex dependency - [`KT-77252`](https://youtrack.jetbrains.com/issue/KT-77252) It is impossible to declare an unnamed variable in a script - [`KT-58137`](https://youtrack.jetbrains.com/issue/KT-58137) K2: ISE "Usage of default value argument for this annotation is not yet possible" when instantiating Kotlin annotation with default parameter from another module - [`KT-77140`](https://youtrack.jetbrains.com/issue/KT-77140) Protect ConstraintSystemCompletionMode.UNTIL_FIRST_LAMBDA with opt-in - [`KT-75695`](https://youtrack.jetbrains.com/issue/KT-75695) Bogus "Assigned value is never read" warning for prefix ++ operator - [`KT-52706`](https://youtrack.jetbrains.com/issue/KT-52706) Bad signature for generic value classes with substituted type parameter - [`KT-77149`](https://youtrack.jetbrains.com/issue/KT-77149) IllegalArgumentException: source must not be null - [`KT-76806`](https://youtrack.jetbrains.com/issue/KT-76806) K2: AIOOBE in FirEqualityCompatibilityChecker - [`KT-72391`](https://youtrack.jetbrains.com/issue/KT-72391) KJS: (a * b).toDouble_ygsx0s_k$ is not a function - [`KT-76950`](https://youtrack.jetbrains.com/issue/KT-76950) K2: "IllegalArgumentException: Inline class types should have the same representation: Lkotlin/UByte; != B" with nullable UByte - [`KT-64731`](https://youtrack.jetbrains.com/issue/KT-64731) K2: Annotation on inline function or inside inline function is hit by debugger - [`KT-76043`](https://youtrack.jetbrains.com/issue/KT-76043) Native: NotImplementedError: Generation of stubs for class org.jetbrains.kotlin.ir.symbols.impl.IrFieldSymbolImpl is not supported yet - [`KT-77126`](https://youtrack.jetbrains.com/issue/KT-77126) Transitive dependency mismatch between Kotlin Gradle Plugin and Scripting dependencies - [`KT-65440`](https://youtrack.jetbrains.com/issue/KT-65440) K2: Mark all potential implementations of List.getFirst()/getLast() as deprecated independently of JDK - [`KT-72831`](https://youtrack.jetbrains.com/issue/KT-72831) ANNOTATION_USED_AS_ANNOTATION_ARGUMENT missing in some cases in K2 - [`KT-73707`](https://youtrack.jetbrains.com/issue/KT-73707) Remove dependency on ":compiler:backend.jvm" from Native - [`KT-75499`](https://youtrack.jetbrains.com/issue/KT-75499) CheckerContext#{containingDeclaration, containingFile} in checkers should return symbols - [`KT-76548`](https://youtrack.jetbrains.com/issue/KT-76548) False positive TYPE_MISMATCH when resolving an expression with the expected type from the upper bound - [`KT-76142`](https://youtrack.jetbrains.com/issue/KT-76142) K2: `@RequiresOptIn` warning does not display the custom message when using concatenated strings. - [`KT-68699`](https://youtrack.jetbrains.com/issue/KT-68699) Kotlin Debugger: UPAE “lateinit property parent has not been initialized” on trying evaluate enumValues<T>(), enumEntries<T>() from inlined function with reified parameter - [`KT-63267`](https://youtrack.jetbrains.com/issue/KT-63267) K2: incorrect line numbers after smart cast of an extension receiver - [`KT-71309`](https://youtrack.jetbrains.com/issue/KT-71309) Kotlin Debugger: UnsupportedOperationException on calling method with reified type parameter - [`KT-74912`](https://youtrack.jetbrains.com/issue/KT-74912) K2: Investigate irrelevant ARGUMENT_TYPE_MISMATCH on top-level lambdas - [`KT-74569`](https://youtrack.jetbrains.com/issue/KT-74569) K2: Linenumber of annotation is present in constructor's LVT - [`KT-74657`](https://youtrack.jetbrains.com/issue/KT-74657) K2: Linenumber for annotation on local variable is present in LVT - [`KT-74570`](https://youtrack.jetbrains.com/issue/KT-74570) K2: Linenumber for annotation on property is present in LVT - [`KT-76749`](https://youtrack.jetbrains.com/issue/KT-76749) NONE_APPLICABLE message is unreadable for stdlib context function - [`KT-74932`](https://youtrack.jetbrains.com/issue/KT-74932) Investigate false-negative ARGUMENT_TYPE_MISMATCH on a nested anonymous function - [`KT-74545`](https://youtrack.jetbrains.com/issue/KT-74545) Redundant TYPE_MISMATCH in variable initializer with call - [`KT-76774`](https://youtrack.jetbrains.com/issue/KT-76774) K2: Simplify ResolutionMode.WithExpectedType contracts - [`KT-76689`](https://youtrack.jetbrains.com/issue/KT-76689) Unnamed local variable with type and without initializer is allowed - [`KT-76746`](https://youtrack.jetbrains.com/issue/KT-76746) ClassCastException: class org.jetbrains.kotlin.fir.types.impl.FirUserTypeRefImpl cannot be cast to class - [`KT-76754`](https://youtrack.jetbrains.com/issue/KT-76754) K2: Compiler doesn't check annotations on array literals (as annotation arguments) - [`KT-76674`](https://youtrack.jetbrains.com/issue/KT-76674) The function isn't called from unnamed local variable initializer - [`KT-73348`](https://youtrack.jetbrains.com/issue/KT-73348) AssertionError from isCompiledToJvmDefault on super call of suspend function with composable function parameter - [`KT-73527`](https://youtrack.jetbrains.com/issue/KT-73527) Prohibit (via a deprecation warning) accessing nested class through generic outer class - [`KT-59886`](https://youtrack.jetbrains.com/issue/KT-59886) K2: Disappeared ERROR_IN_CONTRACT_DESCRIPTION - [`KT-57949`](https://youtrack.jetbrains.com/issue/KT-57949) FIR: SignatureEnhancement: mutation of java enum entry - [`KT-57911`](https://youtrack.jetbrains.com/issue/KT-57911) K2: Contracts are not inherited by substitution overrides - [`KT-47398`](https://youtrack.jetbrains.com/issue/KT-47398) 'null' EnhancedNullability value in String-based 'when' might produce different behavior depending on whether 'when' is "optimized" or not ### Compose compiler #### Fixes - [`b/394891628`](https://issuetracker.google.com/issues/394891628) Allow specifying target version of Compose runtime - [`b/424454512`](https://issuetracker.google.com/issues/424454512) Recreate FirApplierInferencer for each check - [`b/417406922`](https://issuetracker.google.com/issues/417406922) Restrict references to `@Composable` properties - [`b/282135108`](https://issuetracker.google.com/issues/282135108), [`b/349866442`](https://issuetracker.google.com/issues/349866442) [Compose] Enable applier checking when using FIR - [`b/408492167`](https://issuetracker.google.com/issues/408492167) Emit parameter names in Compose source information - [`b/307592552`](https://issuetracker.google.com/issues/307592552) Add BigInteger and BigDecimal to the list of known stable classes - [`b/414547195`](https://issuetracker.google.com/issues/414547195) Unwrap type casts when inferring `@Composable` call arguments ### IR. Inlining #### Fixes - [`KT-76425`](https://youtrack.jetbrains.com/issue/KT-76425) Do not store signatures of preprocessed inline functions in KLIBs - [`KT-76763`](https://youtrack.jetbrains.com/issue/KT-76763) [Inliner] Don't use attributeOwnerId to pass info from Inliner to non-JVM backends - [`KT-72464`](https://youtrack.jetbrains.com/issue/KT-72464) [Native][JS][Wasm] Non-local return through suspend conversion breaks the IR inliner - [`KT-77102`](https://youtrack.jetbrains.com/issue/KT-77102) [Inliner] Expression uses unlinked type parameter symbol - [`KT-77079`](https://youtrack.jetbrains.com/issue/KT-77079) IR: Report warnings on exposure of references to invisible declarations in inline functions - [`KT-69797`](https://youtrack.jetbrains.com/issue/KT-69797) [references] Accessors for private function/constructor/property references are not generated - [`KT-76454`](https://youtrack.jetbrains.com/issue/KT-76454) Investigate erasure of class type parameters during inliner - [`KT-72593`](https://youtrack.jetbrains.com/issue/KT-72593) [K/N] Add NativeIrInliningFacade to CrossCompilationIdentityTest - [`KT-70969`](https://youtrack.jetbrains.com/issue/KT-70969) IR Inliner: Ensure that common prefix at 1st phase does not affect KLIB signatures - [`KT-75937`](https://youtrack.jetbrains.com/issue/KT-75937) [IR Inliner] Umbrella for failing tests due to public inliner - [`KT-77295`](https://youtrack.jetbrains.com/issue/KT-77295) Improve Diagnostic Message Formatting for Private API Exposure in Inline Functions - [`KT-77047`](https://youtrack.jetbrains.com/issue/KT-77047) Ir Ininler: crash on fake override in private class from more visible class - [`KT-77336`](https://youtrack.jetbrains.com/issue/KT-77336) [references] Synthetic accessor test for private top-level function accessed via reference fails with `No function found for symbol` - [`KT-76761`](https://youtrack.jetbrains.com/issue/KT-76761) [Inliner] non-JVM IR Inliner incorrectly uses K/JVM-specific code - [`KT-76712`](https://youtrack.jetbrains.com/issue/KT-76712) [Inliner] No function found for symbol '/<unknown name>|?' - [`KT-76711`](https://youtrack.jetbrains.com/issue/KT-76711) [Inliner] Reference to function 'privateMethod' can not be evaluated ### IR. Tree - [`KT-76813`](https://youtrack.jetbrains.com/issue/KT-76813) IR validator: not all symbols/references are visited ### JVM. Reflection - [`KT-74529`](https://youtrack.jetbrains.com/issue/KT-74529) Context parameters support in reflection - [`KT-52170`](https://youtrack.jetbrains.com/issue/KT-52170) Reflection: typeOf<Array<Long>> gives classifier LongArray ### JavaScript #### New Features - [`KT-70486`](https://youtrack.jetbrains.com/issue/KT-70486) K/JS: exported exception types should extend Error - [`KT-19016`](https://youtrack.jetbrains.com/issue/KT-19016) Define accessors as enumerable #### Fixes - [`KT-55256`](https://youtrack.jetbrains.com/issue/KT-55256) KJS: non-exported subclass with a no-parameter function overload doesn't compile - [`KT-76034`](https://youtrack.jetbrains.com/issue/KT-76034) passProcessArgvToMainFunction contains the node path and script path - [`KT-78169`](https://youtrack.jetbrains.com/issue/KT-78169) KJS: [NON_EXPORTABLE_TYPE] with `@JsExport` class if `@JsStatic` companion method returns an out type - [`KT-70295`](https://youtrack.jetbrains.com/issue/KT-70295) KLIB stdlib: Unify intrinsics for boxing captured variables in lambdas across non-JVM backends - [`KT-76093`](https://youtrack.jetbrains.com/issue/KT-76093) Support new callable reference nodes in partial linkage in Kotlin/JS - [`KT-77320`](https://youtrack.jetbrains.com/issue/KT-77320) KJS: Big.js times() is compiled to multiply (*) operator - [`KT-77430`](https://youtrack.jetbrains.com/issue/KT-77430) K/JS: Remove sharedBox* intrinsics from the standard library - [`KT-69297`](https://youtrack.jetbrains.com/issue/KT-69297) Deprecate referencing inlineable lambdas in `js()` calls - [`KT-73267`](https://youtrack.jetbrains.com/issue/KT-73267) KJS: IC: "FileNotFoundException": Build failures with Kotlin 2.1-RC and RC2 - [`KT-76912`](https://youtrack.jetbrains.com/issue/KT-76912) KJS: `@JsStatic` can't be used for companion objects implementing external interfaces - [`KT-77242`](https://youtrack.jetbrains.com/issue/KT-77242) Kotlin/JS & Kotlin/Wasm backends: Artificially apply reverse topo-order after IR linkage - [`KT-77649`](https://youtrack.jetbrains.com/issue/KT-77649) KJS: es-arrow-functions requires explicit opt-in when target is ES2015 - [`KT-77372`](https://youtrack.jetbrains.com/issue/KT-77372) KJS: NullPointerException at JsIntrinsics$JsReflectionSymbols - [`KT-77620`](https://youtrack.jetbrains.com/issue/KT-77620) Fix failing IC tests on Windows - [`KT-77190`](https://youtrack.jetbrains.com/issue/KT-77190) Migrate JS diagnostic tests to the new CLI-based test facades (1st phase only) - [`KT-77371`](https://youtrack.jetbrains.com/issue/KT-77371) [K/N][K/JS][K/Wasm] Unify visibility rules for generated default argument stubs - [`KT-77148`](https://youtrack.jetbrains.com/issue/KT-77148) KJS: "Uncaught TypeError: (intermediate value).l(...).m is not a function" during production build run - [`KT-77193`](https://youtrack.jetbrains.com/issue/KT-77193) Migrate JS irText tests to the new CLI-based test facades (1st phase only) - [`KT-77192`](https://youtrack.jetbrains.com/issue/KT-77192) Migrate JS ABI reader tests to the new CLI-based test facades (1st phase only) - [`KT-77187`](https://youtrack.jetbrains.com/issue/KT-77187) Migrate JS box tests to the new CLI-based test facades (1st phase only) - [`KT-77027`](https://youtrack.jetbrains.com/issue/KT-77027) Migrate 1st phase facades to the phased CLI infrastructure in JS tests - [`KT-76027`](https://youtrack.jetbrains.com/issue/KT-76027) KJS: "ReferenceError: entries is not defined": Accessing entries of an enum arbitrarily fails with println() - [`KT-76232`](https://youtrack.jetbrains.com/issue/KT-76232) Suspend contextual function with extension receiver results in wrong values at runtime in JS ### Klibs - [`KT-75980`](https://youtrack.jetbrains.com/issue/KT-75980) [Klib] Reduce serialized size of IrFileEntries for sparse usage of another source files - [`KT-75766`](https://youtrack.jetbrains.com/issue/KT-75766) PL: Error on building fake override with multiple overridden members with unbound symbols in return type - [`KT-75757`](https://youtrack.jetbrains.com/issue/KT-75757) PL: Error on building fake overrides with unbound symbols in value parameters - [`KT-76827`](https://youtrack.jetbrains.com/issue/KT-76827) KLIB cross-compilation tests: Don't use IR hashes and metadata hashes in test data - [`KT-76266`](https://youtrack.jetbrains.com/issue/KT-76266) Move trigger of :tools:binary-compatibility-validator:check to native/native.tests/klib-ir-inliner - [`KT-74815`](https://youtrack.jetbrains.com/issue/KT-74815) KLIB resolver can't consume metadata klibs between source sets when abi_versions diverge - [`KT-76725`](https://youtrack.jetbrains.com/issue/KT-76725) KLIB ABI export in older version: Restore legacy directories - [`KT-76471`](https://youtrack.jetbrains.com/issue/KT-76471) Partial linkage: add an attribute if a class is invalid ### Language Design - [`KT-32993`](https://youtrack.jetbrains.com/issue/KT-32993) Contract to specify that a function parameter is always true inside lambda - [`KT-8889`](https://youtrack.jetbrains.com/issue/KT-8889) Contracts: if a given function parameter is not null, the result is not null ### Libraries - [`KT-76389`](https://youtrack.jetbrains.com/issue/KT-76389) Provide `update` functions for common atomics - [`KT-34132`](https://youtrack.jetbrains.com/issue/KT-34132) Contract for ClosedRange<T>.contains(T?) operator - [`KT-78242`](https://youtrack.jetbrains.com/issue/KT-78242) Move IrLinkageError to the common non-JVM part of the standard library - [`KT-73853`](https://youtrack.jetbrains.com/issue/KT-73853) Provide vararg constructors for Atomic Arrays - [`KT-76773`](https://youtrack.jetbrains.com/issue/KT-76773) stdlib: contextOf's type argument can be inferred via contextOf's context argument - [`KT-67819`](https://youtrack.jetbrains.com/issue/KT-67819) Document collection interfaces contracts ### Native - [`KT-74662`](https://youtrack.jetbrains.com/issue/KT-74662) Consider providing a way to enable stack canaries for Kotlin/Native binaries - [`KT-76178`](https://youtrack.jetbrains.com/issue/KT-76178) LLVM Update: symbol '__ZnwmSt19__type_descriptor_t' missing - [`KT-77378`](https://youtrack.jetbrains.com/issue/KT-77378) [macos] Loading libraries with non resolved paths runs XProtectService - [`KT-61549`](https://youtrack.jetbrains.com/issue/KT-61549) Kotlin/Native: remove kotlin-native/Interop/JsRuntime - [`KT-76563`](https://youtrack.jetbrains.com/issue/KT-76563) LLVM Update: numerous "was built for newer 'macOS' version" warnings ### Native. C and ObjC Import - [`KT-71400`](https://youtrack.jetbrains.com/issue/KT-71400) Fix disabled -fmodules testing for stdarg.h ### Native. ObjC Export - [`KT-76974`](https://youtrack.jetbrains.com/issue/KT-76974) Include conflicting element in objc export warnings - [`KT-78034`](https://youtrack.jetbrains.com/issue/KT-78034) ObjCExport: primitive type extension translated as static method - [`KT-77781`](https://youtrack.jetbrains.com/issue/KT-77781) ObjCExport: support `@ObjCName` for function parameters and receiver parameters - [`KT-77592`](https://youtrack.jetbrains.com/issue/KT-77592) KMP plugin uses incorrect Swift name from ObjCName annotation - [`KT-77625`](https://youtrack.jetbrains.com/issue/KT-77625) ObjCExport: ObjCName annotation adds kotlin name swift_name - [`KT-77484`](https://youtrack.jetbrains.com/issue/KT-77484) KotlinConf app: Invalid identifiers in `ObjCHeader.render` - [`KT-77500`](https://youtrack.jetbrains.com/issue/KT-77500) `IllegalStateException` during generating ObjC header stubs - [`KT-76338`](https://youtrack.jetbrains.com/issue/KT-76338) Native, ObjCExport: Replace name mangling of special method families ### Native. Runtime. Memory - [`KT-63143`](https://youtrack.jetbrains.com/issue/KT-63143) Kotlin/Native: execute Cleaners on the finalizer thread ### Native. Swift Export - [`KT-77650`](https://youtrack.jetbrains.com/issue/KT-77650) Swift export execution tests fail with caches enabled - [`KT-77634`](https://youtrack.jetbrains.com/issue/KT-77634) K/N: swift export tests started failing after hyper-existentials - [`KT-77290`](https://youtrack.jetbrains.com/issue/KT-77290) Transitive Export on swift export can duplicate declarations ### Tools. CLI - [`KT-77030`](https://youtrack.jetbrains.com/issue/KT-77030) Implement setup of HMPP sessions for KLib-based compilers - [`KT-75812`](https://youtrack.jetbrains.com/issue/KT-75812) Basic DSL for compiler arguments representation - [`KT-76828`](https://youtrack.jetbrains.com/issue/KT-76828) Warning doesn't exist error with -Xwarning-level when the source file has no code - [`KT-76957`](https://youtrack.jetbrains.com/issue/KT-76957) Incorrect error message when severity is set with -Xsuppress-warning and -Xwarning-level for the same diagnostic - [`KT-76111`](https://youtrack.jetbrains.com/issue/KT-76111) kotlinc warns about org.fusesource.jansi.internal.JansiLoader call to System.load - [`KT-76447`](https://youtrack.jetbrains.com/issue/KT-76447) Remove -Xjps compiler argument ### Tools. Compiler Plugin API - [`KT-77157`](https://youtrack.jetbrains.com/issue/KT-77157) Cannot create a symbol pointer for local class generated by FirFunctionCallRefinementExtension ### Tools. Compiler Plugins - [`KT-75876`](https://youtrack.jetbrains.com/issue/KT-75876) PowerAssert: don't display results for assertion operator - [`KT-75514`](https://youtrack.jetbrains.com/issue/KT-75514) [JS][Native] Add IrPreSerializationLoweringFacade to Atomicfu test runners - [`KT-77719`](https://youtrack.jetbrains.com/issue/KT-77719) Remove suppress INVISIBLE_REFERENCE from DataFrame plugin - [`KT-77691`](https://youtrack.jetbrains.com/issue/KT-77691) Kotlin DataFrame plugin: IR and FIR anonymous functions have inconsistent receivers - [`KT-77339`](https://youtrack.jetbrains.com/issue/KT-77339) Update kotlin dataframe dependency to 1.0.0-dev-6925 - [`KT-77455`](https://youtrack.jetbrains.com/issue/KT-77455) kotlin-dataframe plugin throws NoClassDefFoundError in IDE - [`KT-77437`](https://youtrack.jetbrains.com/issue/KT-77437) Kotlin DataFrame: Add configuration key to disable top level properties generator - [`KT-74366`](https://youtrack.jetbrains.com/issue/KT-74366) Delete kotlin-android-extensions compiler plugin - [`KT-73364`](https://youtrack.jetbrains.com/issue/KT-73364) Migrate atomicfu sources to new IR parameter API ### Tools. Compiler plugins. Serialization - [`KT-73365`](https://youtrack.jetbrains.com/issue/KT-73365) Migrate kotlinx-serialization sources to new IR parameter API ### Tools. Gradle - [`KT-77546`](https://youtrack.jetbrains.com/issue/KT-77546) Implement basic support for HMPP compilation scheme support in KGP - [`KT-77107`](https://youtrack.jetbrains.com/issue/KT-77107) Introduce Kotlin ecosystem plugin - [`KT-63383`](https://youtrack.jetbrains.com/issue/KT-63383) Add compiler performance metrics to Native build reports - [`KT-75921`](https://youtrack.jetbrains.com/issue/KT-75921) Make Swift Export available by default - [`KT-67291`](https://youtrack.jetbrains.com/issue/KT-67291) Enable Project Isolation AND/OR Configuration Cache mode for Gradle Integration tests - [`KT-77785`](https://youtrack.jetbrains.com/issue/KT-77785) Add -fmodules option to CocoaPod dependency by default - [`KT-76353`](https://youtrack.jetbrains.com/issue/KT-76353) Handle migration to stable -jvm-default in KGP: replace deprecated option and suppress warnings - [`KT-77163`](https://youtrack.jetbrains.com/issue/KT-77163) Migrate Swift Export IT to injections - [`KT-76740`](https://youtrack.jetbrains.com/issue/KT-76740) Use Problems API for warning introduced in KT-75808 ### Tools. Gradle. Compiler plugins - [`KT-66728`](https://youtrack.jetbrains.com/issue/KT-66728) Deprecate `kapt.use.k2` property ### Tools. Gradle. JS - [`KT-77073`](https://youtrack.jetbrains.com/issue/KT-77073) generateTypeScriptDefinitions() does not add generated .d.ts file to package.json automatically ### Tools. Gradle. Multiplatform - [`KT-77414`](https://youtrack.jetbrains.com/issue/KT-77414) KMP dependencies in detached source sets cause IDE resolution to write error logs: "kotlin-project-structure-metadata.json (No such file or directory)" - [`KT-76200`](https://youtrack.jetbrains.com/issue/KT-76200) TestModuleProperties.productionModuleName for JVM module isn't present with 2.1.20-RC ### Tools. Gradle. Native - [`KT-68256`](https://youtrack.jetbrains.com/issue/KT-68256) Reduce commonizer max heap size to default 3g and allow users to configure it - [`KT-77977`](https://youtrack.jetbrains.com/issue/KT-77977) "Unknown hardware platform: riscv64" on JVM project build ### Tools. Incremental Compile - [`KT-60653`](https://youtrack.jetbrains.com/issue/KT-60653) IC does not handle changes in inline functions objects/lambdas correctly - [`KT-69075`](https://youtrack.jetbrains.com/issue/KT-69075) Incremental compilation: smartcast is impossible on field with `@JvmName` ### Tools. JPS - [`KT-75460`](https://youtrack.jetbrains.com/issue/KT-75460) Adding `@PurelyImplements` annotation to a List does *not* cause incremental recompile of affected files - [`KT-50594`](https://youtrack.jetbrains.com/issue/KT-50594) Fix org.jetbrains.kotlin.arguments.CompilerArgumentsContentProspectorTest ### Tools. Kapt - [`KT-77853`](https://youtrack.jetbrains.com/issue/KT-77853) K2 KAPT: backend internal error: exception during IR fake override builder - [`KT-73322`](https://youtrack.jetbrains.com/issue/KT-73322) Migrate `FirKaptAnalysisHandlerExtension` compilation pipeline to the phased structure ### Tools. Maven. Compiler plugins - [`KT-77511`](https://youtrack.jetbrains.com/issue/KT-77511) Add maven plugin for Kotlin DataFrame plugin ### Tools. REPL - [`KT-77470`](https://youtrack.jetbrains.com/issue/KT-77470) [K2 Repl] Lazy Properties crash code generation ### Tools. Scripts - [`KT-78378`](https://youtrack.jetbrains.com/issue/KT-78378) "Explain" feature of the kotlin script fails on hidden variables ### Tools. Wasm - [`KT-75714`](https://youtrack.jetbrains.com/issue/KT-75714) Wasm: Move tooling NPM dependencies outside user project - [`KT-76838`](https://youtrack.jetbrains.com/issue/KT-76838) K/Wasm: No possible to set downloadBaseUrl to null for D8 and Binaryen