| ## 2.3.21 |
| |
| ### Backend. Wasm |
| |
| - [`KT-84610`](https://youtrack.jetbrains.com/issue/KT-84610) [Wasm] Failed to compile klibs in IC mode |
| |
| ### Compiler |
| |
| - [`KT-84566`](https://youtrack.jetbrains.com/issue/KT-84566) Prevent launching Default dispatcher threads from IJ SDK in kotlin compiler |
| - [`KT-85358`](https://youtrack.jetbrains.com/issue/KT-85358) Native: roll back the workaround for KT-84678 once MapLibre has been properly fixed |
| - [`KT-85626`](https://youtrack.jetbrains.com/issue/KT-85626) `@JvmRecord` in commonMain breaks compileCommonMainKotlinMetadata with "Cannot access 'java.lang.Record'" |
| - [`KT-85405`](https://youtrack.jetbrains.com/issue/KT-85405) Postpone/Revert `DontIgnoreUpperBoundViolatedOnImplicitArguments` |
| - [`KT-84678`](https://youtrack.jetbrains.com/issue/KT-84678) K/N: Undefined symbol from SPM-added ObjC frameworks when linking iOS target |
| - [`KT-85021`](https://youtrack.jetbrains.com/issue/KT-85021) False positive SUBCLASS_CANT_CALL_COMPANION_PROTECTED_NON_STATIC error in multi-module project |
| |
| ### JavaScript |
| |
| - [`KT-82395`](https://youtrack.jetbrains.com/issue/KT-82395) Support top-level declarations from compiler plugins in JS incremental compilation |
| - [`KT-84475`](https://youtrack.jetbrains.com/issue/KT-84475) K/JS: false-positive exportability warnings in multi-module project |
| - [`KT-84633`](https://youtrack.jetbrains.com/issue/KT-84633) Kotlin/JS: "Serializer for class not found" error when IR output granularity is `whole-program` |
| - [`KT-85047`](https://youtrack.jetbrains.com/issue/KT-85047) Kotlin/JS: `@JsStatic` on suspend fun of class companion generates incorrect d.ts |
| - [`KT-84517`](https://youtrack.jetbrains.com/issue/KT-84517) K/JS: bad mappings data in outputted Kotlin stdlib source map |
| |
| ### Libraries |
| |
| - [`KT-71848`](https://youtrack.jetbrains.com/issue/KT-71848) Kotlinx.metadata: Add `CompilerPluginData` into Km API |
| |
| ### Native. C and ObjC Import |
| |
| - [`KT-85399`](https://youtrack.jetbrains.com/issue/KT-85399) Kotlin/Native: TypeCastException when casting ObjC Protocol MetaClass with genericSafeCasts enabled |
| - [`KT-85508`](https://youtrack.jetbrains.com/issue/KT-85508) K/N: TypeCastException when using nw_parameters_create_secure_tcp block parameter on 2.3.20 |
| |
| ### Tools. Gradle |
| |
| - [`KT-84729`](https://youtrack.jetbrains.com/issue/KT-84729) Update Gradle plugin-publish version to enable configuration cache badge on Gradle plugins portal |
| |
| ### Tools. Gradle. Compiler plugins |
| |
| - [`KT-85257`](https://youtrack.jetbrains.com/issue/KT-85257) AGP/Compose: MergeMappingFileTask clears R8 artifacts due to `@OutputDirectory` annotation on AGP 9.1+ |
| |
| ### Tools. Scripts |
| |
| - [`KT-85105`](https://youtrack.jetbrains.com/issue/KT-85105) Scripts: JVM backend internal error (IR lowering) when scratch file contains anonymous object |
| - [`KT-85103`](https://youtrack.jetbrains.com/issue/KT-85103) Exception while generating code when explain destructuring decls |
| - [`KT-84842`](https://youtrack.jetbrains.com/issue/KT-84842) scriptCompilationClasspathFromContext behavior changed from 2.3.10 to 2.3.20 |
| - [`KT-85029`](https://youtrack.jetbrains.com/issue/KT-85029) Kotlin Scripting: ScriptDiagnostic reports "at null" instead of error location |
| |
| ### Tools. Statistics (FUS) |
| |
| - [`KT-85628`](https://youtrack.jetbrains.com/issue/KT-85628) KGP: composite build FUS metrics fail on access of 'configurationTimeMetrics' |
| |
| |
| ## 2.3.20 |
| |
| ### Analysis API. FIR |
| |
| #### New Features |
| |
| - [`KT-78090`](https://youtrack.jetbrains.com/issue/KT-78090) Implement stubs support for new conditional returns and holdsIn contracts |
| |
| #### Fixes |
| |
| - [`KT-82948`](https://youtrack.jetbrains.com/issue/KT-82948) 'FirRegularClass' expected as a containing declaration, got 'FirTypeAliasImpl' |
| - [`KT-83467`](https://youtrack.jetbrains.com/issue/KT-83467) Package-level JSpecify annotations are ignored when coming from jars or libraries |
| - [`KT-82057`](https://youtrack.jetbrains.com/issue/KT-82057) K2. Cannot infer type parameter 'R' in Ktor routing post() function with explicit response type |
| - [`KT-82846`](https://youtrack.jetbrains.com/issue/KT-82846) AA: unresolved KtExpression.expressionType for the reference to the parameter with default value |
| - [`KT-80485`](https://youtrack.jetbrains.com/issue/KT-80485) False positive UNRESOLVED_REFERENCE on nested interface from super-super class in the super type position inside an anonymous object |
| - [`KT-82772`](https://youtrack.jetbrains.com/issue/KT-82772) Flaky false positive deprecation warning on PersistentMap.put in Kotlin repo in IDE mode |
| - [`KT-76487`](https://youtrack.jetbrains.com/issue/KT-76487) StdLibSourcesLazyDeclarationResolveTestGenerated.testWrappedInt is unstable |
| - [`KT-82618`](https://youtrack.jetbrains.com/issue/KT-82618) Various tests are failing with NPE in kt-master after updating the compiler on 19.11.25 |
| - [`KT-82076`](https://youtrack.jetbrains.com/issue/KT-82076) Error querying members of JavaClass created for SymbolLightClassForAnnotationClass during library analysis |
| - [`KT-71596`](https://youtrack.jetbrains.com/issue/KT-71596) Include Js/Wasi checkers in AbstractLLFirDiagnosticsCollector |
| - [`KT-82085`](https://youtrack.jetbrains.com/issue/KT-82085) No OUTER_CLASS_ARGUMENTS_REQUIRED on type parameter bound in IDE |
| - [`KT-81873`](https://youtrack.jetbrains.com/issue/KT-81873) Provide a way of including traces in phase JFR events |
| - [`KT-71929`](https://youtrack.jetbrains.com/issue/KT-71929) Consider leaving the non-post-compute version at EnhancementSymbolsCache.enhancedFunctions |
| |
| ### Analysis API. Infrastructure |
| |
| - [`KT-83173`](https://youtrack.jetbrains.com/issue/KT-83173) Analysis API Tests: Library names with RC versions aren't sanitised |
| - [`KT-65140`](https://youtrack.jetbrains.com/issue/KT-65140) LL FIR: Implement AbstractFirPsiJsDiagnosticTest for LL FIR |
| - [`KT-82212`](https://youtrack.jetbrains.com/issue/KT-82212) [Analysis API, LL FIR] Implement AbstractDiagnosticsFirWasmTest and AbstractDiagnosticsFirWasmWasiTest for LL FIR |
| |
| ### Analysis API. Light Classes |
| |
| - [`KT-82227`](https://youtrack.jetbrains.com/issue/KT-82227) Value classes should expose regular static methods |
| |
| ### Analysis API. PSI |
| |
| - [`KT-81710`](https://youtrack.jetbrains.com/issue/KT-81710) 'KtTypeReference.getTypeText' does not account for 'suspend' modifier on suspend lambdas |
| - [`KT-82258`](https://youtrack.jetbrains.com/issue/KT-82258) Prepare PSI for migration from context receivers to context parameters |
| - [`KT-81074`](https://youtrack.jetbrains.com/issue/KT-81074) KDoc: List rendering is broken |
| |
| ### Analysis API. Providers and Caches |
| |
| - [`KT-82449`](https://youtrack.jetbrains.com/issue/KT-82449) K2 IDE Analysis Freezes During Gradle Sync (Recursive Module Dependency Computation in KotlinModuleDependentsProviderBase.computeTransitiveDependents) |
| - [`KT-82629`](https://youtrack.jetbrains.com/issue/KT-82629) 'collectDiagnostics' returns stale syntax error after editor fix |
| - [`KT-74907`](https://youtrack.jetbrains.com/issue/KT-74907) Analysis API: Apply platform-based library module content restrictions consistently |
| |
| ### Analysis API. Standalone |
| |
| - [`KT-81107`](https://youtrack.jetbrains.com/issue/KT-81107) AA: KtSourceModuleBuilder.sourceRoots doesn't works with symbolic links |
| |
| ### Analysis API. Stubs and Decompilation |
| |
| - [`KT-82792`](https://youtrack.jetbrains.com/issue/KT-82792) Stub for KtValueArgumentList inside KtAnnotationEntry should be present if it is present in psi |
| - [`KT-82527`](https://youtrack.jetbrains.com/issue/KT-82527) TypeClsStubBuilder.createFunctionTypeStub throws NullPointerException |
| - [`KT-82558`](https://youtrack.jetbrains.com/issue/KT-82558) Deserialized DNN type should have a fully qualified Any |
| - [`KT-81928`](https://youtrack.jetbrains.com/issue/KT-81928) KaArrayAnnotationValueImpl.values missing first element |
| - [`KT-82139`](https://youtrack.jetbrains.com/issue/KT-82139) Support contracts for property accessors |
| - [`KT-82198`](https://youtrack.jetbrains.com/issue/KT-82198) Support context parameters in contracts |
| |
| ### Analysis API. Surface |
| |
| #### New Features |
| |
| - [`KT-82851`](https://youtrack.jetbrains.com/issue/KT-82851) Property accessors should inherit KDoc from the parent property |
| - [`KT-63339`](https://youtrack.jetbrains.com/issue/KT-63339) Analysis API: Provide a way to extract KDoc for symbols |
| - [`KT-79070`](https://youtrack.jetbrains.com/issue/KT-79070) KaTypeProvider: add API to build a default type with star projections |
| - [`KT-66566`](https://youtrack.jetbrains.com/issue/KT-66566) AA: api to create functional types |
| - [`KT-66043`](https://youtrack.jetbrains.com/issue/KT-66043) KtTypeCreator doesn't provide a way for creating annotated types |
| |
| #### Performance Improvements |
| |
| - [`KT-83694`](https://youtrack.jetbrains.com/issue/KT-83694) Provide psi-based implementation of `KaDeclarationSymbol#isExternal` |
| - [`KT-70868`](https://youtrack.jetbrains.com/issue/KT-70868) KaSymbol: support PSI-only visibility and modality for the case without compiler plugins |
| - [`KT-81627`](https://youtrack.jetbrains.com/issue/KT-81627) KaFirSymbolDeclarationOverridesProvider#processOverrides should process only relevant declarations |
| |
| #### Fixes |
| |
| - [`KT-83152`](https://youtrack.jetbrains.com/issue/KT-83152) [Analysis API, KDoc] Make class name links on constructors point to the class |
| - [`KT-83695`](https://youtrack.jetbrains.com/issue/KT-83695) Deprecate `KaSymbolInformationProvider#{getter, setter}DeprecationStatus` |
| - [`KT-82853`](https://youtrack.jetbrains.com/issue/KT-82853) Add a convenience property for testing declarations for effective external-ness |
| - [`KT-83226`](https://youtrack.jetbrains.com/issue/KT-83226) Support "Collection literals" in the Analysis API |
| - [`KT-83225`](https://youtrack.jetbrains.com/issue/KT-83225) Support "`@IntroduceAt`" in the Analysis API |
| - [`KT-83222`](https://youtrack.jetbrains.com/issue/KT-83222) Support "Improve use-site defaulting for annotations" in the Analysis API |
| - [`KT-83351`](https://youtrack.jetbrains.com/issue/KT-83351) Rename KaSession context parameter from 's' in bridges to something nicer |
| - [`KT-83199`](https://youtrack.jetbrains.com/issue/KT-83199) Clarify API around extension points |
| - [`KT-83074`](https://youtrack.jetbrains.com/issue/KT-83074) Inner enum entry class has incorrect default visibility |
| - [`KT-82442`](https://youtrack.jetbrains.com/issue/KT-82442) Add Ka prefix to org.jetbrains.kotlin.analysis.api.symbols.AdditionalKDocResolutionProvider |
| - [`KT-82443`](https://youtrack.jetbrains.com/issue/KT-82443) Add Ka prefix to org.jetbrains.kotlin.analysis.api.symbols.DebugSymbolRenderer |
| - [`KT-82441`](https://youtrack.jetbrains.com/issue/KT-82441) Add Ka prefix to org.jetbrains.kotlin.analysis.api.compile.CodeFragmentCapturedValue |
| - [`KT-82439`](https://youtrack.jetbrains.com/issue/KT-82439) Add Ka prefix to org.jetbrains.kotlin.analysis.api.components.DebuggerExtension |
| - [`KT-82438`](https://youtrack.jetbrains.com/issue/KT-82438) Add Ka prefix to org.jetbrains.kotlin.analysis.api.components.DefaultTypeClassIds |
| - [`KT-68577`](https://youtrack.jetbrains.com/issue/KT-68577) `asPsiType` and `mapTypeToJvmType`: leading delimiter for class in a root package |
| - [`KT-81734`](https://youtrack.jetbrains.com/issue/KT-81734) MIssing "ARGUMENT_TYPE_MISMATCH" caused by self-referential generic type |
| - [`KT-82856`](https://youtrack.jetbrains.com/issue/KT-82856) Redesign KotlinReferenceProviderContributor to make it extensible |
| - [`KT-82615`](https://youtrack.jetbrains.com/issue/KT-82615) Clarify `KtReference#resolvesByNames` contract |
| - [`KT-82534`](https://youtrack.jetbrains.com/issue/KT-82534) No expected type for property accessor without body |
| - [`KT-82406`](https://youtrack.jetbrains.com/issue/KT-82406) Add a test to ensure that all top-level classes in the Analysis API Surface have `Ka` prefix |
| - [`KT-78397`](https://youtrack.jetbrains.com/issue/KT-78397) investigate if there is a need in Extra support for the "various little features in contracts" |
| - [`KT-74009`](https://youtrack.jetbrains.com/issue/KT-74009) Analysis API: Expose "isOverloadable" check for callable symbols similar to "OverloadChecker.isOverloadable" |
| - [`KT-78399`](https://youtrack.jetbrains.com/issue/KT-78399) Check return value - check how we see from Java(+Stub) we see “annotated” signatures |
| - [`KT-80357`](https://youtrack.jetbrains.com/issue/KT-80357) [Analysis API] `KaType.enhancedType` doesn't enhance type parameters |
| - [`KT-73659`](https://youtrack.jetbrains.com/issue/KT-73659) Analysis API: The name of `KaType.enhancedType` is too general |
| - [`KT-80545`](https://youtrack.jetbrains.com/issue/KT-80545) [Analysis API] Deprecate `KaFunctionType.arity` |
| - [`KT-77708`](https://youtrack.jetbrains.com/issue/KT-77708) K2 Mode: Potentially redundant smart cast highlighing when passing smartcasted expressions as arguments |
| - [`KT-81264`](https://youtrack.jetbrains.com/issue/KT-81264) K2 AA: `KaValueParameterSymbol.hasDefaultValue` is false for overriding or actual functions |
| - [`KT-81166`](https://youtrack.jetbrains.com/issue/KT-81166) Forbid the usage of KaSessionComponent implementation types directly |
| - [`KT-74801`](https://youtrack.jetbrains.com/issue/KT-74801) Analysis API: Publish/subscribe to modification events with a single message bus topic |
| |
| ### Backend. Native. Debug |
| |
| - [`KT-81741`](https://youtrack.jetbrains.com/issue/KT-81741) Native: stepping into data class hashCode in lldb goes to line 1 |
| |
| ### Backend. Wasm |
| |
| #### New Features |
| |
| - [`KT-81485`](https://youtrack.jetbrains.com/issue/KT-81485) [Wasm] DebuggerCustomFormatters generation support for single module mode |
| - [`KT-81483`](https://youtrack.jetbrains.com/issue/KT-81483) [Wasm] Typescript generation support for single module mode |
| - [`KT-81484`](https://youtrack.jetbrains.com/issue/KT-81484) [Wasm] Dwarf generation support for single module mode |
| |
| #### Performance Improvements |
| |
| - [`KT-83839`](https://youtrack.jetbrains.com/issue/KT-83839) K/Wasm: CMP. Load time on Safari significantly increased with Kotlin = 2.3.20-Beta1 |
| - [`KT-81524`](https://youtrack.jetbrains.com/issue/KT-81524) Unnecessary Any-JsAny conversions are generated for external instanceofs |
| |
| #### Fixes |
| |
| - [`KT-82732`](https://youtrack.jetbrains.com/issue/KT-82732) K/Wasm runtime crash when using fun reference: convertKotlinClosureToJsClosure |
| - [`KT-82649`](https://youtrack.jetbrains.com/issue/KT-82649) K/Wasm: Rewrite StringBuilder to use JsString |
| - [`KT-73240`](https://youtrack.jetbrains.com/issue/KT-73240) K/Wasm: consider using JS String Builtins proposal in String implementation for wasm-js target |
| - [`KT-83995`](https://youtrack.jetbrains.com/issue/KT-83995) K/Wasm: 2.3.0 -> 2.3.20-Beta1 degradation in arrow tests |
| - [`KT-82309`](https://youtrack.jetbrains.com/issue/KT-82309) K/Wasm: refactor _initialize function |
| - [`KT-70075`](https://youtrack.jetbrains.com/issue/KT-70075) Wasm: "OutOfMemoryError: GC overhead limit exceeded" during tests |
| - [`KT-83046`](https://youtrack.jetbrains.com/issue/KT-83046) K/Wasm: don't use StringBuilder implicitly for string concatenations |
| - [`KT-82645`](https://youtrack.jetbrains.com/issue/KT-82645) K/Wasm: wasmJs use js "String" for number2String conversion |
| - [`KT-79937`](https://youtrack.jetbrains.com/issue/KT-79937) K/Wasm: support kotlin.js.nativeInvoke annotation |
| - [`KT-67461`](https://youtrack.jetbrains.com/issue/KT-67461) Use new lowering phase creation API in Wasm backend |
| - [`KT-83664`](https://youtrack.jetbrains.com/issue/KT-83664) Wasm: Colon and space are not sanitized in output file names |
| - [`KT-65779`](https://youtrack.jetbrains.com/issue/KT-65779) JsExport declaration name clash |
| - [`KT-82202`](https://youtrack.jetbrains.com/issue/KT-82202) [Wasm] SourceMap generation support for single module mode |
| - [`KT-82162`](https://youtrack.jetbrains.com/issue/KT-82162) [Wasm] Run single module tests with standalone vm's |
| - [`KT-81325`](https://youtrack.jetbrains.com/issue/KT-81325) [Wasm] Remove string pool initialiser dependent code |
| - [`KT-73238`](https://youtrack.jetbrains.com/issue/KT-73238) K/Wasm: stop using linear memory inside our code |
| - [`KT-83025`](https://youtrack.jetbrains.com/issue/KT-83025) Wasm: Compose application is not loading |
| - [`KT-73239`](https://youtrack.jetbrains.com/issue/KT-73239) K/Wasm: use JS String Builtins proposal to transfer strings to and from JS |
| - [`KT-83194`](https://youtrack.jetbrains.com/issue/KT-83194) K/Wasm: create WasmIR test infrastructure |
| - [`KT-65234`](https://youtrack.jetbrains.com/issue/KT-65234) K/Wasm Ensure that fp operations are aligned with other b-ends |
| - [`KT-81856`](https://youtrack.jetbrains.com/issue/KT-81856) K/JS/Wasm interop: external instanceofs do not link in singleModule mode |
| - [`KT-81610`](https://youtrack.jetbrains.com/issue/KT-81610) [Wasm] Add CLI test for performance metrics for klibs->binary scenario |
| - [`KT-81550`](https://youtrack.jetbrains.com/issue/KT-81550) Incorrect generation of .wat files |
| - [`KT-71533`](https://youtrack.jetbrains.com/issue/KT-71533) K/Wasm + K2: no error on KClass::qualifiedName usages |
| |
| ### Compiler |
| |
| #### New Features |
| |
| - [`KT-75736`](https://youtrack.jetbrains.com/issue/KT-75736) Enable reading/writing annotations in metadata on JVM by default |
| - [`KT-79330`](https://youtrack.jetbrains.com/issue/KT-79330) Implement the first version of inference for Collection Literals |
| - [`KT-83401`](https://youtrack.jetbrains.com/issue/KT-83401) Collection literals: support different types of expected types for CL |
| - [`KT-55548`](https://youtrack.jetbrains.com/issue/KT-55548) JSR-305: Overload resolution ambiguity: Platform Types vs Kotlin Types |
| - [`KT-74860`](https://youtrack.jetbrains.com/issue/KT-74860) Support Unit coercion (incl. fun refs) in unused return value checker |
| - [`KT-13968`](https://youtrack.jetbrains.com/issue/KT-13968) Support vertx nullable annotation |
| - [`KT-79656`](https://youtrack.jetbrains.com/issue/KT-79656) Use `org.jetbrains.annotations.UnmodifiableView` and/or `org.jetbrains.annotations.Unmodifiable` to infer read-only types for Java entities |
| - [`KT-81684`](https://youtrack.jetbrains.com/issue/KT-81684) Implement explicit passing of context arguments using named syntax [TEST_ONLY] |
| - [`KT-80492`](https://youtrack.jetbrains.com/issue/KT-80492) Checkers for operator `of` |
| - [`KT-82638`](https://youtrack.jetbrains.com/issue/KT-82638) Collection literals: resolve to factory functions for standard library classes |
| - [`KT-82467`](https://youtrack.jetbrains.com/issue/KT-82467) Improve binary and JVM compatibility by generating bridges for abstract interface methods |
| - [`KT-82655`](https://youtrack.jetbrains.com/issue/KT-82655) Bridges generated for non-fake overrides shall include annotations from target methods |
| - [`KT-74223`](https://youtrack.jetbrains.com/issue/KT-74223) Move Kotlin/Native TestProcessor phase to the first phase |
| - [`KT-27090`](https://youtrack.jetbrains.com/issue/KT-27090) Support contracts in getter and setter for top-level extension properties |
| - [`KT-74809`](https://youtrack.jetbrains.com/issue/KT-74809) Support unnamed local variables |
| - [`KT-45683`](https://youtrack.jetbrains.com/issue/KT-45683) Allow generics in contract type assertions |
| |
| #### Performance Improvements |
| |
| - [`KT-81974`](https://youtrack.jetbrains.com/issue/KT-81974) Do not eagerly initialize reflection for KProperty objects for delegated properties |
| - [`KT-83697`](https://youtrack.jetbrains.com/issue/KT-83697) Native: increased bitcode produced with enabled safe casts |
| - [`KT-83036`](https://youtrack.jetbrains.com/issue/KT-83036) Native: too many casts emitted with -Xgeneric-safe-casts=true |
| - [`KT-80061`](https://youtrack.jetbrains.com/issue/KT-80061) Compiler (or IDEA) hangs due to importing large Kotlin reflect functions (e.g. KFunction999999999) |
| - [`KT-68592`](https://youtrack.jetbrains.com/issue/KT-68592) Investigate performance implications of enabling -Xjvm-default for ir.tree module |
| - [`KT-73687`](https://youtrack.jetbrains.com/issue/KT-73687) Inefficient KtCommonFile#getFileAnnotationList |
| - [`KT-71673`](https://youtrack.jetbrains.com/issue/KT-71673) Consider making EnhancementSymbolsCache. enhancedFunctions using simple cache |
| |
| #### Fixes |
| |
| - [`KT-84773`](https://youtrack.jetbrains.com/issue/KT-84773) Annotations not persisted in IR for internal external functions |
| - [`KT-78783`](https://youtrack.jetbrains.com/issue/KT-78783) K2: absence of warning for KTLC-284 migration |
| - [`KT-81553`](https://youtrack.jetbrains.com/issue/KT-81553) INITIALIZER_TYPE_MISMATCH and ASSIGNMENT_TYPE_MISMATCH is reported on the entire initializer |
| - [`KT-83395`](https://youtrack.jetbrains.com/issue/KT-83395) Kotlin/Native 2.3.0 iOS release framework fails with Invalid LLVM module (PHI node type mismatch) |
| - [`KT-84620`](https://youtrack.jetbrains.com/issue/KT-84620) Incorrect optimization of property delegation |
| - [`KT-81567`](https://youtrack.jetbrains.com/issue/KT-81567) Add a use-site warning if a `@DslMarker`-marked annotation is used on entities where it is a no-op |
| - [`KT-81700`](https://youtrack.jetbrains.com/issue/KT-81700) flaky overload resolution behaviors (false-positive errors, different final candidates, compile-time failures) |
| - [`KT-83372`](https://youtrack.jetbrains.com/issue/KT-83372) compileDebugKotlinAndroid hangs in 2.3.0 with SQLDelight |
| - [`KT-82579`](https://youtrack.jetbrains.com/issue/KT-82579) Update specificity rule for context parameters |
| - [`KT-83590`](https://youtrack.jetbrains.com/issue/KT-83590) Some explicit backing fields must still be considered private-to-this |
| - [`KT-83849`](https://youtrack.jetbrains.com/issue/KT-83849) False-positive NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS for `Optional.orElse(null)` call |
| - [`KT-84192`](https://youtrack.jetbrains.com/issue/KT-84192) "Member overrides different '`@Throws`' filter from" caused by overriding in different module |
| - [`KT-72994`](https://youtrack.jetbrains.com/issue/KT-72994) K2: Remove resolution to context receivers |
| - [`KT-80247`](https://youtrack.jetbrains.com/issue/KT-80247) No diagnostic on unresolved type annotation from a dependency in an inferred type |
| - [`KT-78730`](https://youtrack.jetbrains.com/issue/KT-78730) Move more LLVM-agnostic code to compiler/ir/backend.native or compiler/ir/backend.common |
| - [`KT-74051`](https://youtrack.jetbrains.com/issue/KT-74051) Add a Continuation for tail-call suspend functions |
| - [`KT-83984`](https://youtrack.jetbrains.com/issue/KT-83984) Data races around kotlinx.serialization plugin protobuf extensions registration |
| - [`KT-83317`](https://youtrack.jetbrains.com/issue/KT-83317) ClassCastException: with cast kotlin.UInt to java.lang.Number when defining constant |
| - [`KT-83031`](https://youtrack.jetbrains.com/issue/KT-83031) K2: unstable resolution of EnhancedNullability from type-use NotNull in presence of unused code |
| - [`KT-83824`](https://youtrack.jetbrains.com/issue/KT-83824) Delegated property in Gradle DSL fails to compile |
| - [`KT-83657`](https://youtrack.jetbrains.com/issue/KT-83657) [K/N] Pre-codegen inline produces invalid bitcode |
| - [`KT-81555`](https://youtrack.jetbrains.com/issue/KT-81555) Kotlin scripts: top-level name-based destructuring with _ = prop fails with “exception while generating code” |
| - [`KT-83314`](https://youtrack.jetbrains.com/issue/KT-83314) JSpecify `@NullMarked` changes Java equals(Object) to equals(Any?) causing override conflict in Kotlin 2.3 |
| - [`KT-83282`](https://youtrack.jetbrains.com/issue/KT-83282) JvmExposeBoxed: Duplicate annotation interface kotlin.coroutines.jvm.internal.DebugMetadata in class %class%$1 for suspend inline class value |
| - [`KT-78443`](https://youtrack.jetbrains.com/issue/KT-78443) Refactor session component initialization for multi-target compilation |
| - [`KT-83427`](https://youtrack.jetbrains.com/issue/KT-83427) Arguments of plugin-generated annotations are serialized incorrectly |
| - [`KT-83538`](https://youtrack.jetbrains.com/issue/KT-83538) OPERATOR_RENAMED_ON_IMPORT is not reported for 'provideDelegate' operator |
| - [`KT-83537`](https://youtrack.jetbrains.com/issue/KT-83537) OPERATOR_RENAMED_ON_IMPORT is not reported for 'of' operator |
| - [`KT-82721`](https://youtrack.jetbrains.com/issue/KT-82721) Inconsistent explicit backing fields behavior |
| - [`KT-83589`](https://youtrack.jetbrains.com/issue/KT-83589) Explicit backing fields don't likely work with intersection overrides |
| - [`KT-81951`](https://youtrack.jetbrains.com/issue/KT-81951) K2: Another false positive "Assigned value is never read" in composable function |
| - [`KT-83588`](https://youtrack.jetbrains.com/issue/KT-83588) Explicit backing field is falsely accessible from a subclass via a substitution override |
| - [`KT-82849`](https://youtrack.jetbrains.com/issue/KT-82849) Collection literals (minor): collection literal should only be resolved to operator |
| - [`KT-83363`](https://youtrack.jetbrains.com/issue/KT-83363) VerifyError: "Bad type on operand stack" on multi-line suspending call with default parameter value since API version 2.4 |
| - [`KT-83570`](https://youtrack.jetbrains.com/issue/KT-83570) K2: Resolve problematic IR when referencing Kotlin const from annotation in Java |
| - [`KT-83362`](https://youtrack.jetbrains.com/issue/KT-83362) Starting from 2.3 DefaultImpls bridge functions deprecated with the level HIDDEN are no longer synthetic |
| - [`KT-9182`](https://youtrack.jetbrains.com/issue/KT-9182) Java interoperability: Overload resolution ambiguity on Java's `@NotNull` and primitives |
| - [`KT-83633`](https://youtrack.jetbrains.com/issue/KT-83633) Forbid inline functional context parameters in inline functions |
| - [`KT-83449`](https://youtrack.jetbrains.com/issue/KT-83449) compile-time IR failure on smart cast information leaking from capturing closure |
| - [`KT-82375`](https://youtrack.jetbrains.com/issue/KT-82375) Add `ATOMIC_REF_WITHOUT_CONSISTENT_IDENTITY` warning for any argument without consistent identity |
| - [`KT-82524`](https://youtrack.jetbrains.com/issue/KT-82524) Access to a companion that requires opt-in is possible without opt-in |
| - [`KT-83367`](https://youtrack.jetbrains.com/issue/KT-83367) VolatileFieldsLowering may emit wrong parameter types for atomic intrinsic calls |
| - [`KT-83382`](https://youtrack.jetbrains.com/issue/KT-83382) K2: Unreachable method exit breaks MUST_BE_INITIALIZED checks for succeeding value declarations |
| - [`KT-82211`](https://youtrack.jetbrains.com/issue/KT-82211) False positive SENSELESS_NULL_IN_WHEN with nullable var |
| - [`KT-83157`](https://youtrack.jetbrains.com/issue/KT-83157) ExplicitBackingFields: "Property with explicit backing field should be final" in 2.3.0 |
| - [`KT-83269`](https://youtrack.jetbrains.com/issue/KT-83269) K2: Wrong types in IR for explicit backing fields |
| - [`KT-68606`](https://youtrack.jetbrains.com/issue/KT-68606) Argument type mismatch, despite being from the same star-projected type |
| - [`KT-83324`](https://youtrack.jetbrains.com/issue/KT-83324) Native: problem with loops handling in types computation pass |
| - [`KT-83241`](https://youtrack.jetbrains.com/issue/KT-83241) K2: "NoSuchElementException: List is empty" with top-level destructuring declaration and lambda initializer |
| - [`KT-82277`](https://youtrack.jetbrains.com/issue/KT-82277) Misleading `Inapplicable candidate(s): fun <K> WHEN_CALL(vararg branches: K): K` when a when expression branch contains an unresolved reference |
| - [`KT-80839`](https://youtrack.jetbrains.com/issue/KT-80839) Get rid of an obsolete -Xcompile-builtins-as-part-of-stdlib flag once previous changes are bootstrapped |
| - [`KT-82900`](https://youtrack.jetbrains.com/issue/KT-82900) Language Feature EnhancedBridgesGeneration |
| - [`KT-82651`](https://youtrack.jetbrains.com/issue/KT-82651) Do not generate self-recursive bridges in JVM backend |
| - [`KT-5486`](https://youtrack.jetbrains.com/issue/KT-5486) Better errors for integers with leading zero |
| - [`KT-83185`](https://youtrack.jetbrains.com/issue/KT-83185) Kotlin repeatable annotations are incorrectly deserialized from bytecode |
| - [`KT-82863`](https://youtrack.jetbrains.com/issue/KT-82863) `@NoInfer` regression since 2.2.20 |
| - [`KT-82376`](https://youtrack.jetbrains.com/issue/KT-82376) Header mode: Index out of bounds when generating bodies of data class |
| - [`KT-82311`](https://youtrack.jetbrains.com/issue/KT-82311) Header mode: Error expression when assigning function declaration to a property |
| - [`KT-82408`](https://youtrack.jetbrains.com/issue/KT-82408) Header mode: Java files are not compiled successfully |
| - [`KT-82378`](https://youtrack.jetbrains.com/issue/KT-82378) Header mode: Sequence contains no element matching the predicate |
| - [`KT-82407`](https://youtrack.jetbrains.com/issue/KT-82407) Header mode: Backend Internal error: Exception during IR lowering |
| - [`KT-81763`](https://youtrack.jetbrains.com/issue/KT-81763) Incorrect comparison result when using elvis ?: with nullable Long values |
| - [`KT-83153`](https://youtrack.jetbrains.com/issue/KT-83153) Properly ignore contract statements in the Return Value Checker |
| - [`KT-83076`](https://youtrack.jetbrains.com/issue/KT-83076) Don't report `WRONG_JS_INTEROP_TYPE` on expect types during metadata compilation |
| - [`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-82640`](https://youtrack.jetbrains.com/issue/KT-82640) K2: CCE on green code |
| - [`KT-82684`](https://youtrack.jetbrains.com/issue/KT-82684) "Don't know how to compile annotation value ERROR_EXPR" on incorrect array literal in annotation default arguments |
| - [`KT-81948`](https://youtrack.jetbrains.com/issue/KT-81948) K2: ClassCastException: "java.lang.String cannot be cast to java.lang.Void" when calling `@Nullable` Java function |
| - [`KT-82788`](https://youtrack.jetbrains.com/issue/KT-82788) false-positive duplicate JVM class name error in IJ monorepo |
| - [`KT-82841`](https://youtrack.jetbrains.com/issue/KT-82841) "kotlin.NoWhenBranchMatchedException" in `when` with `!is` check & non-sealed class in the middle of hierarchy |
| - [`KT-82844`](https://youtrack.jetbrains.com/issue/KT-82844) "when" with no branches does not evaluate subject (side effects ignored) |
| - [`KT-81625`](https://youtrack.jetbrains.com/issue/KT-81625) Incorrect empty parameters parsing (comma is highlighted in red) |
| - [`KT-81193`](https://youtrack.jetbrains.com/issue/KT-81193) K2: SOE from `AbstractTypeApproximator.approximateToSuperType` with local enum class |
| - [`KT-65059`](https://youtrack.jetbrains.com/issue/KT-65059) Stack overflow when typechecking an Elvis expression with deeply generic values |
| - [`KT-82555`](https://youtrack.jetbrains.com/issue/KT-82555) `@Deprecated`(HIDDEN)` objects not skipped when resolving qualifiers |
| - [`KT-82737`](https://youtrack.jetbrains.com/issue/KT-82737) Leaked type variable in diagnostic when top-level lambda with uninferred type parameter has non-functional expected type |
| - [`KT-78019`](https://youtrack.jetbrains.com/issue/KT-78019) Change K1 API deprecation level from Warning to Error |
| - [`KT-82683`](https://youtrack.jetbrains.com/issue/KT-82683) K2: FIR2IR: compile-time JVM codegen failure on an argument of function subtype for a KSuspendFunction parameter |
| - [`KT-82671`](https://youtrack.jetbrains.com/issue/KT-82671) Do not report ignorability mismatch on override/actualization if the function returns Unit type |
| - [`KT-82506`](https://youtrack.jetbrains.com/issue/KT-82506) Misleading compilation warning: "This class is not recommended for use in Kotlin. Use 'java.util.Map' instead" |
| - [`KT-52498`](https://youtrack.jetbrains.com/issue/KT-52498) Test privateSuperType.kt is failing with caches enabled |
| - [`KT-82336`](https://youtrack.jetbrains.com/issue/KT-82336) Header mode: Cannot infer argument for type parameter T |
| - [`KT-69326`](https://youtrack.jetbrains.com/issue/KT-69326) Inference chooses controversial order to fix variables |
| - [`KT-82545`](https://youtrack.jetbrains.com/issue/KT-82545) Handle data class with extra components in migration warning for name-based destructuring |
| - [`KT-82303`](https://youtrack.jetbrains.com/issue/KT-82303) Improve UNSUPPORTED_FEATURE message when compiler argument has a parameter |
| - [`KT-81866`](https://youtrack.jetbrains.com/issue/KT-81866) K2: False positive ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL caused by smart-casted `@RestrictsSuspension` receiver |
| - [`KT-13412`](https://youtrack.jetbrains.com/issue/KT-13412) Improve error message on callable reference with expression of nullable type |
| - [`KT-82466`](https://youtrack.jetbrains.com/issue/KT-82466) KotlinIllegalArgumentExceptionWithAttachment when return is used in explicit delegation expression |
| - [`KT-82454`](https://youtrack.jetbrains.com/issue/KT-82454) Local types aren't approximated in public declaration types |
| - [`KT-82487`](https://youtrack.jetbrains.com/issue/KT-82487) False positive REDUNDANT_VISIBILITY_MODIFIER inside private class |
| - [`KT-82369`](https://youtrack.jetbrains.com/issue/KT-82369) [K2 REPL] Crash in the serialization plugin backend with "unable to transform declaration" |
| - [`KT-82243`](https://youtrack.jetbrains.com/issue/KT-82243) Usage of nested type aliases is forbidden despite the feature flag |
| - [`KT-62900`](https://youtrack.jetbrains.com/issue/KT-62900) K2: Expected expression to be resolved during Fir2Ir |
| - [`KT-81941`](https://youtrack.jetbrains.com/issue/KT-81941) IllegalArgumentException: class org.jetbrains.kotlin.psi.KtValueArgument is not a subtype of class org.jetbrains.kotlin.psi.KtExpression for factory POSITIONED_VALUE_ARGUMENT_FOR_JAVA_ANNOTATION |
| - [`KT-80741`](https://youtrack.jetbrains.com/issue/KT-80741) Fix rendering of inner classes with generic outer classes |
| - [`KT-82331`](https://youtrack.jetbrains.com/issue/KT-82331) Do not propagate context parameters from classes to constructors |
| - [`KT-77276`](https://youtrack.jetbrains.com/issue/KT-77276) K2: Wrong scope for annotation arguments for the parameters of a secondary constructor header |
| - [`KT-77275`](https://youtrack.jetbrains.com/issue/KT-77275) Inconsistency between scopes for primary/secondary constructor headers |
| - [`KT-15152`](https://youtrack.jetbrains.com/issue/KT-15152) Improve error message for unresolved reference for delegation specifier and primary constructor call |
| - [`KT-81498`](https://youtrack.jetbrains.com/issue/KT-81498) Make Kotlin/Native stdlib in distribution reproducible |
| - [`KT-81408`](https://youtrack.jetbrains.com/issue/KT-81408) Allow local-variable-target annotations on destructuring declarations |
| - [`KT-82012`](https://youtrack.jetbrains.com/issue/KT-82012) Annotations without parentheses on full form of name-based destructuring don't work |
| - [`KT-81915`](https://youtrack.jetbrains.com/issue/KT-81915) Exception when analysing 'when' expression with annotated expression as a subject |
| - [`KT-78364`](https://youtrack.jetbrains.com/issue/KT-78364) Static methods are not generated for companion object JvmStatic property accessors with JvmExposeBoxed |
| - [`KT-81838`](https://youtrack.jetbrains.com/issue/KT-81838) Prohibit usage of nested type aliases (from lib) for sources with LV < 2.3 |
| - [`KT-81357`](https://youtrack.jetbrains.com/issue/KT-81357) Forbid compilation of code with explicit _root_ide_package_ in CLI mode |
| - [`KT-73138`](https://youtrack.jetbrains.com/issue/KT-73138) K2: "Assignment type mismatch" when class name is underscore`_` |
| - [`KT-82169`](https://youtrack.jetbrains.com/issue/KT-82169) Add quotes to message of WRONG_NUMBER_OF_TYPE_ARGUMENTS |
| - [`KT-78386`](https://youtrack.jetbrains.com/issue/KT-78386) JvmExposeBoxed (with no name) + JvmOverloads + JvmName produces ambiguity |
| - [`KT-78358`](https://youtrack.jetbrains.com/issue/KT-78358) Propagated JvmExposeBoxed annotation doesn't copy JvmName argument |
| - [`KT-81699`](https://youtrack.jetbrains.com/issue/KT-81699) Move native klib compilation to a separate module |
| - [`KT-81692`](https://youtrack.jetbrains.com/issue/KT-81692) Decouple compilation of Native klib from the Native backend |
| - [`KT-80673`](https://youtrack.jetbrains.com/issue/KT-80673) Consider forbidding/minimizing usages of ClassId.isLocal and CallableId.isLocal |
| - [`KT-81376`](https://youtrack.jetbrains.com/issue/KT-81376) False negative UNEXPECTED_TRAILING_LAMBDA_ON_A_NEW_LINE & bad positioning |
| - [`KT-81946`](https://youtrack.jetbrains.com/issue/KT-81946) false-positive JAVA_CLASS_ON_COMPANION in case of an explicit companion reference |
| - [`KT-74461`](https://youtrack.jetbrains.com/issue/KT-74461) K2: Render function types nicely |
| - [`KT-81875`](https://youtrack.jetbrains.com/issue/KT-81875) NCDFE: kotlinx/coroutines/internal/intellij/IntellijCoroutines at :compiler:multiplatform-parsing:jvmTest |
| - [`KT-49722`](https://youtrack.jetbrains.com/issue/KT-49722) Report NOT_YET_SUPPORTED_IN_INLINE for inherited default parameters with inline function |
| - [`KT-81913`](https://youtrack.jetbrains.com/issue/KT-81913) Inapplicable candidate when vararg-adaption for callable reference might be used (array parameter) |
| - [`KT-81841`](https://youtrack.jetbrains.com/issue/KT-81841) Inapplicable candidate when vararg-adaption for callable reference might be used (generic parameter) |
| - [`KT-39697`](https://youtrack.jetbrains.com/issue/KT-39697) "Cannot infer type parameter" in map with java static or global method reference |
| - [`KT-81896`](https://youtrack.jetbrains.com/issue/KT-81896) Improve RedundantCallOfConversionMethod inspection for `@UnsafeNumber` annotated typealiases |
| - [`KT-66413`](https://youtrack.jetbrains.com/issue/KT-66413) Incorrect line mapping in suspendable code before suspend call without parameters |
| - [`KT-80525`](https://youtrack.jetbrains.com/issue/KT-80525) Update IntelliJ SDK dependency to 251.27812.49 |
| - [`KT-81808`](https://youtrack.jetbrains.com/issue/KT-81808) Setting hasDefaultValue = true in irValueParameter() crashes the compiler |
| - [`KT-78927`](https://youtrack.jetbrains.com/issue/KT-78927) False positive 'USELESS_JVM_EXPOSE_BOXED' |
| - [`KT-81703`](https://youtrack.jetbrains.com/issue/KT-81703) Drop obsolete K1 frontend code from Kotlin/Native |
| - [`KT-81698`](https://youtrack.jetbrains.com/issue/KT-81698) Decouple`SpecialBackendChecksTraversal` from Native backend |
| - [`KT-81687`](https://youtrack.jetbrains.com/issue/KT-81687) Different LightTree and PSI outputs when annotated class-like declaration is used as an expression |
| - [`KT-81302`](https://youtrack.jetbrains.com/issue/KT-81302) False positive: Type Mismatch caused by context parameters, lambdas, and generics |
| - [`KT-81584`](https://youtrack.jetbrains.com/issue/KT-81584) IAE "Collection contains more than one matching element" in FirElementSerializer on contextual property with same name as primary value class property |
| - [`KT-77237`](https://youtrack.jetbrains.com/issue/KT-77237) JvmExposeBoxed breaks compilation with a secondary constructor with value class |
| - [`KT-81262`](https://youtrack.jetbrains.com/issue/KT-81262) False positive: Access declaration type exposure: during access to public function class from internal inline declaration |
| - [`KT-80112`](https://youtrack.jetbrains.com/issue/KT-80112) Kotlin Debugger: “Cannot find local variable” on evaluating default lambda inside inline function |
| - [`KT-76806`](https://youtrack.jetbrains.com/issue/KT-76806) K2: AIOOBE in FirEqualityCompatibilityChecker |
| - [`KT-81693`](https://youtrack.jetbrains.com/issue/KT-81693) Introduce lightweight versions of KonanConfig and PhaseContext |
| - [`KT-72446`](https://youtrack.jetbrains.com/issue/KT-72446) K/N: inline function's default values aren't lowered with caches |
| - [`KT-81521`](https://youtrack.jetbrains.com/issue/KT-81521) Anonymous function in context parameters breaks parser |
| - [`KT-80853`](https://youtrack.jetbrains.com/issue/KT-80853) Class reference in context parameters breaks parser |
| - [`KT-81441`](https://youtrack.jetbrains.com/issue/KT-81441) Missing type checks when class has deeply generic supertype |
| - [`KT-79116`](https://youtrack.jetbrains.com/issue/KT-79116) Wrong parameter arguments mapping (compiler skips empty arguments) |
| - [`KT-81422`](https://youtrack.jetbrains.com/issue/KT-81422) False negative in full-form name-based destructuring: annotations before val/var not rejected |
| - [`KT-80652`](https://youtrack.jetbrains.com/issue/KT-80652) K2: USELESS_IS_CHECK is not detected in `when` |
| - [`KT-80049`](https://youtrack.jetbrains.com/issue/KT-80049) Mangle `ERROR_TYPE`s in diagnostics reported to user |
| - [`KT-73786`](https://youtrack.jetbrains.com/issue/KT-73786) Evaluator: cannot evaluate inline methods with reified parameter |
| - [`KT-75828`](https://youtrack.jetbrains.com/issue/KT-75828) Store backing field/delegate annotations and extension receiver annotations in metadata |
| - [`KT-74572`](https://youtrack.jetbrains.com/issue/KT-74572) Context parameters: contracts don't work with context parameters |
| - [`KT-42824`](https://youtrack.jetbrains.com/issue/KT-42824) FIR: false INAPPLICABLE_CANDIDATE when using in variance on a Java class |
| |
| ### Compose compiler |
| |
| - [`b/481953005`](https://issuetracker.google.com/issues/481953005), [`b/481769383`](https://issuetracker.google.com/issues/481769383) Cache stability inference results during session |
| - [`b/481735904`](https://issuetracker.google.com/issues/481735904) Fix Compose codegen crash in inline function |
| - [`b/479646393`](https://issuetracker.google.com/issues/479646393) Add groups to inline functions with two or more inline parameters |
| - [`b/458234821`](https://issuetracker.google.com/issues/458234821) Disable Compose K1 tests on CI |
| - [`b/456948687`](https://issuetracker.google.com/issues/456948687) Force resolution of declarations when looking up SAM functions in FIR |
| - [`b/445426829`](https://issuetracker.google.com/issues/445426829) Add a diagnostic for `key` call with no arguments |
| |
| ### IR. Actualizer |
| |
| - [`KT-82418`](https://youtrack.jetbrains.com/issue/KT-82418) KMP Separate Compilation: NPE caused by actualization of NsCalendar.getEra |
| - [`KT-82313`](https://youtrack.jetbrains.com/issue/KT-82313) ACTUAL_ANNOTATION_CONFLICTING_DEFAULT_ARGUMENT_VALUE checks throw `conflicting values in expected and actual annotations` |
| |
| ### IR. Inlining |
| |
| #### Fixes |
| |
| - [`KT-82017`](https://youtrack.jetbrains.com/issue/KT-82017) [Inliner] Inline function overrides abstract method with default value |
| - [`KT-80814`](https://youtrack.jetbrains.com/issue/KT-80814) [IR Inliner] Space: jsBrowserProductionWebpack task failed with HookWebpackError |
| - [`KT-83280`](https://youtrack.jetbrains.com/issue/KT-83280) Split `LibrarySpecialCompatibilityChecksTest` into pure JS and pure Wasm tests |
| - [`KT-81766`](https://youtrack.jetbrains.com/issue/KT-81766) K/N: Recursive inline expect/actual causes StackOverflowError |
| - [`KT-80953`](https://youtrack.jetbrains.com/issue/KT-80953) [Inliner] Eliminate excessive IMPLICIT_CAST after IR Inliner on 2nd stage. |
| - [`KT-79899`](https://youtrack.jetbrains.com/issue/KT-79899) [IR Inliner] Split single-module tests having `inline fun` into files |
| - [`KT-83148`](https://youtrack.jetbrains.com/issue/KT-83148) KLIB inliner: Make both "inliner" language features to require Api Version = 2.3 |
| - [`KT-80791`](https://youtrack.jetbrains.com/issue/KT-80791) classFunctionsAndFieldsWithCrossModuleInliner fails per-file with cross-module inliner |
| - [`KT-80696`](https://youtrack.jetbrains.com/issue/KT-80696) Can not get instance of singleton 'Obj': No class found for symbol |
| - [`KT-82065`](https://youtrack.jetbrains.com/issue/KT-82065) IR inliner: Inline function's default value argument may get wrong offsets in a temporary variable |
| - [`KT-81753`](https://youtrack.jetbrains.com/issue/KT-81753) Review diagnosticReporters usage in pre-serialization lowerings |
| - [`KT-80793`](https://youtrack.jetbrains.com/issue/KT-80793) Test `friendDependencyWithCrossModuleInliner` fails per-file with cross-module inliner |
| - [`KT-80698`](https://youtrack.jetbrains.com/issue/KT-80698) [IC][WASM] Mismatched file stats |
| - [`KT-80697`](https://youtrack.jetbrains.com/issue/KT-80697) [IC][JS per file] Mismatched rebuilt modules |
| - [`KT-80660`](https://youtrack.jetbrains.com/issue/KT-80660) [Inliner] Bodyless functions should not be inlined at 1st compilation stage |
| - [`KT-79064`](https://youtrack.jetbrains.com/issue/KT-79064) Try to get rid of `TypeOfPostProcessor` |
| |
| ### IR. Interpreter |
| |
| - [`KT-82161`](https://youtrack.jetbrains.com/issue/KT-82161) Enable Enum.name and KCallable.name to constant evaluation |
| - [`KT-80646`](https://youtrack.jetbrains.com/issue/KT-80646) Enable unsigned conversion functions when bootstrapped compiler is available |
| |
| ### IR. Tree |
| |
| - [`KT-82765`](https://youtrack.jetbrains.com/issue/KT-82765) Kotlin/Native: Internal compiler error when building DFG |
| - [`KT-82829`](https://youtrack.jetbrains.com/issue/KT-82829) IR deserializer: Don't deserialize any cinterop fake overrides from Klibs |
| - [`KT-83236`](https://youtrack.jetbrains.com/issue/KT-83236) PeopleInSpace_mpp compilation error: The symbol table has been sealed |
| - [`KT-81154`](https://youtrack.jetbrains.com/issue/KT-81154) [IrValidator] Fine-tune IrVisibilityChecker on 2nd stage |
| - [`KT-80243`](https://youtrack.jetbrains.com/issue/KT-80243) Support Name Based Destructuring in loop with withIndex() |
| - [`KT-79436`](https://youtrack.jetbrains.com/issue/KT-79436) KLIB stdlib symbols loading: Drop all functions from SymbolFinder except for loading the whole collection of (potentially unbound) symbols by name |
| - [`KT-79435`](https://youtrack.jetbrains.com/issue/KT-79435) KLIB stdlib symbols loading: Load symbols and and filter/map them lazily in BuiltinSymbolsBase hierarchy when accessed by IR |
| - [`KT-69082`](https://youtrack.jetbrains.com/issue/KT-69082) Migrate maps of IR elements to IR attributes |
| - [`KT-67457`](https://youtrack.jetbrains.com/issue/KT-67457) Introduce a way to simplify IR lowering phase creation |
| |
| ### JVM. Reflection |
| |
| #### New Features |
| |
| - [`KT-22265`](https://youtrack.jetbrains.com/issue/KT-22265) Support for inherited annotations |
| |
| #### Performance Improvements |
| |
| - [`KT-84600`](https://youtrack.jetbrains.com/issue/KT-84600) Performance regression around Kotlin properties JVM reflection during instantiation |
| |
| #### Fixes |
| |
| - [`KT-83608`](https://youtrack.jetbrains.com/issue/KT-83608) Kotlin-reflect: "Unknown origin of public abstract operator fun invoke(p1: P1, p2: P2): R" |
| - [`KT-57357`](https://youtrack.jetbrains.com/issue/KT-57357) Reflection: "KotlinReflectionInternalError" when using `callBy` on constructor that has inline class parameter with nullable value |
| - [`KT-83361`](https://youtrack.jetbrains.com/issue/KT-83361) "KotlinReflectionInternalError: Type parameter not found: 0" on super types with Kotlin 2.3.0 |
| - [`KT-42199`](https://youtrack.jetbrains.com/issue/KT-42199) "KotlinReflectionInternalError: Unknown origin of public abstract operator fun invoke" on function reference to FunctionN.invoke |
| - [`KT-81024`](https://youtrack.jetbrains.com/issue/KT-81024) Reflection: New KType implementation fails on arguments comparison for a Nothing type parameter |
| - [`KT-83067`](https://youtrack.jetbrains.com/issue/KT-83067) Reflection: IAE "argument type mismatch" on callBy with vararg of generic type parameter with primitive upper bound |
| - [`KT-82699`](https://youtrack.jetbrains.com/issue/KT-82699) Reflection: incorrect behavior of KFunction.isExternal for Java native methods |
| - [`KT-82350`](https://youtrack.jetbrains.com/issue/KT-82350) Reflection: incorrect behavior of KType.javaType on a type obtained from KType.withNullability |
| - [`KT-29203`](https://youtrack.jetbrains.com/issue/KT-29203) KType.javaType always returns void class for local delegated property |
| - [`KT-81899`](https://youtrack.jetbrains.com/issue/KT-81899) Reflection: incorrect javaType for local delegated property setter return type |
| - [`KT-82093`](https://youtrack.jetbrains.com/issue/KT-82093) Reflection: IAE from defaultType for inner class of generic class |
| - [`KT-77312`](https://youtrack.jetbrains.com/issue/KT-77312) KotlinReflectionInternalError: "Container of deserialized member is not resolved" on computing type parameter captured in a local delegated property |
| - [`KT-82316`](https://youtrack.jetbrains.com/issue/KT-82316) Reflection: type parameters of top-level declarations behave incorrectly |
| - [`KT-81987`](https://youtrack.jetbrains.com/issue/KT-81987) Reflection: error when calling function in inline class with inherited default value |
| - [`KT-81870`](https://youtrack.jetbrains.com/issue/KT-81870) Reflection: Error when calling function with default parameters and extension receiver |
| - [`KT-81880`](https://youtrack.jetbrains.com/issue/KT-81880) Reflection: Error when calling function with default & context parameters |
| - [`KT-81907`](https://youtrack.jetbrains.com/issue/KT-81907) Reflection: incorrect result when calling function with default values and context parameters |
| - [`KT-81859`](https://youtrack.jetbrains.com/issue/KT-81859) Reflection: do not use descriptors in ValueClassAwareCaller |
| - [`KT-81854`](https://youtrack.jetbrains.com/issue/KT-81854) Reflection: incorrect type for instance receiver of inner class constructor |
| - [`KT-81855`](https://youtrack.jetbrains.com/issue/KT-81855) Reflection: IAE "object is not an instance of declaring class" on function with context and extension receiver of inline class |
| - [`KT-81843`](https://youtrack.jetbrains.com/issue/KT-81843) Reflection: NPE on accessing property accessor returnType for Java field |
| - [`KT-81588`](https://youtrack.jetbrains.com/issue/KT-81588) Reflection: KotlinReflectionInternalError "Inconsistent number of parameters" on calling contextual declaration with value class type in the signature |
| - [`KT-81111`](https://youtrack.jetbrains.com/issue/KT-81111) Reflection: suspend function types are loaded incorrectly by the new implementation |
| - [`KT-81206`](https://youtrack.jetbrains.com/issue/KT-81206) Reflection: non-substituted Function type in suspend function supertypes |
| - [`KT-81804`](https://youtrack.jetbrains.com/issue/KT-81804) Reflection: remove support for multi-field value classes |
| - [`KT-81664`](https://youtrack.jetbrains.com/issue/KT-81664) Reflection: IAE "argument type mismatch" on calling member extension with value class in the signature |
| |
| ### JavaScript |
| |
| #### New Features |
| |
| - [`KT-83454`](https://youtrack.jetbrains.com/issue/KT-83454) K/JS: Support ES6 classes in js() calls |
| - [`KT-83455`](https://youtrack.jetbrains.com/issue/KT-83455) K/JS: Support ES6 default function arguments in js() calls |
| - [`KT-83453`](https://youtrack.jetbrains.com/issue/KT-83453) K/JS: Support ES6 concise methods in js() calls |
| - [`KT-83457`](https://youtrack.jetbrains.com/issue/KT-83457) K/JS: Support ES6 spread operators in js() calls |
| - [`KT-83456`](https://youtrack.jetbrains.com/issue/KT-83456) K/JS: Support ES6 rest function parameters in js() calls |
| - [`KT-54504`](https://youtrack.jetbrains.com/issue/KT-54504) K/JS: Support ECMAScript tagged string templates |
| - [`KT-82327`](https://youtrack.jetbrains.com/issue/KT-82327) KJS: Export parameter names of function types if present in .d.ts files |
| - [`KT-82371`](https://youtrack.jetbrains.com/issue/KT-82371) KJS: Generate more concrete TypeScript for members of an uninhabited enum |
| |
| #### Performance Improvements |
| |
| - [`KT-16379`](https://youtrack.jetbrains.com/issue/KT-16379) KotlinJs - ArrayList get is now slow |
| |
| #### Fixes |
| |
| - [`KT-64951`](https://youtrack.jetbrains.com/issue/KT-64951) Kotlin-Multiplatform does not allow JSExport of expect |
| - [`KT-83528`](https://youtrack.jetbrains.com/issue/KT-83528) K/JS: Array holes in array literals are ignored in the new js() parser |
| - [`KT-84134`](https://youtrack.jetbrains.com/issue/KT-84134) KJS/CMP: "IrLinkageError: Function 'get' can not be called: No function found for symbol" |
| - [`KT-65802`](https://youtrack.jetbrains.com/issue/KT-65802) How to implement Interfaces in Javascript/Typescript? |
| - [`KT-83830`](https://youtrack.jetbrains.com/issue/KT-83830) Relocate org.antlr.v4 to an internal package |
| - [`KT-83572`](https://youtrack.jetbrains.com/issue/KT-83572) KJS/Wasm: Cannot access `@JsModule`-declared class from non-modular project |
| - [`KT-83930`](https://youtrack.jetbrains.com/issue/KT-83930) Kotlin/JS: JsStatic on property of interface companion generates incorrect d.ts |
| - [`KT-70986`](https://youtrack.jetbrains.com/issue/KT-70986) Add Swc into the compilation pipeline of Kotlin/JS |
| - [`KT-78742`](https://youtrack.jetbrains.com/issue/KT-78742) Investigate the usage of the ANTLR-generated parser for the `js` function |
| - [`KT-60554`](https://youtrack.jetbrains.com/issue/KT-60554) KJS: rethink JS_*_NAME_CLASH diagnostics |
| - [`KT-82552`](https://youtrack.jetbrains.com/issue/KT-82552) KJS: "Non-abstract class does not implement inherited abstract member from class" errors in generated .d.ts |
| - [`KT-82652`](https://youtrack.jetbrains.com/issue/KT-82652) KJS: Exported abstract inner classes can be constructed from TypeScript |
| - [`KT-82542`](https://youtrack.jetbrains.com/issue/KT-82542) KJS: Inner class can be constructed from TypeScript without passing an outer instance |
| - [`KT-82499`](https://youtrack.jetbrains.com/issue/KT-82499) KJS: Omit parameters in private constructors in .d.ts files |
| - [`KT-41082`](https://youtrack.jetbrains.com/issue/KT-41082) KJS: 'Reflection is not supported on JavaScript target, so you won't be able to read this annotation in runtime' warning is inconvenient and misleading |
| - [`KT-82279`](https://youtrack.jetbrains.com/issue/KT-82279) KJS: DCE removes external members overrides without reason |
| - [`KT-52800`](https://youtrack.jetbrains.com/issue/KT-52800) KJS / IR: sealed interface with nested data classes not accessible |
| - [`KT-67460`](https://youtrack.jetbrains.com/issue/KT-67460) Use new lowering phase creation API in JS backend |
| - [`KT-82667`](https://youtrack.jetbrains.com/issue/KT-82667) Kotlin/JS: ESM TypeScript definitions for exported nested Enums do not compile |
| - [`KT-82553`](https://youtrack.jetbrains.com/issue/KT-82553) KJS: Incorrect .d.ts generated for generic inner classes |
| - [`KT-82263`](https://youtrack.jetbrains.com/issue/KT-82263) Implement exporting top-level properties in Analysis API-based TypeScript Export |
| - [`KT-82362`](https://youtrack.jetbrains.com/issue/KT-82362) KJS: Incorrect types generated in .d.ts for JsName-annotated enum entry |
| - [`KT-82262`](https://youtrack.jetbrains.com/issue/KT-82262) Implement exporting top-level functions in Analysis API-based TypeScript Export |
| - [`KT-82144`](https://youtrack.jetbrains.com/issue/KT-82144) K/JS: 'meta' identifier usage in js() inline calls prevents expression from parsing |
| - [`KT-82149`](https://youtrack.jetbrains.com/issue/KT-82149) K/JS: `new` calls without arguments produce exceptions in js() inline calls |
| - [`KT-81730`](https://youtrack.jetbrains.com/issue/KT-81730) Optimize suspend functions compilations via JS generators |
| - [`KT-79243`](https://youtrack.jetbrains.com/issue/KT-79243) [JS] Drop K1-specific tests, testrunners and test directives |
| |
| ### Klibs |
| |
| #### New Features |
| |
| - [`KT-83101`](https://youtrack.jetbrains.com/issue/KT-83101) Implement experimental KLib ABI dump parser |
| |
| #### Fixes |
| |
| - [`KT-82586`](https://youtrack.jetbrains.com/issue/KT-82586) Export in previous version (JS, Wasm): adjust the checker for incompatible Kotlin stdlib/compiler pairs |
| - [`KT-84273`](https://youtrack.jetbrains.com/issue/KT-84273) [Klib] Added IrOffsetsChecker broke backward klib compatibility |
| - [`KT-80910`](https://youtrack.jetbrains.com/issue/KT-80910) [Klib] Ensure serialized source coordinates are correct |
| - [`KT-81955`](https://youtrack.jetbrains.com/issue/KT-81955) [JS] Support testing of forward compatibility with export in previous version |
| - [`KT-81957`](https://youtrack.jetbrains.com/issue/KT-81957) [JS] Create a common Gradle test task |
| - [`KT-82736`](https://youtrack.jetbrains.com/issue/KT-82736) False positive `IR_PRIVATE_CALLABLE_REFERENCED_BY_NON_PRIVATE_INLINE_FUNCTION_ERROR` on referenece to local declaration |
| - [`KT-82758`](https://youtrack.jetbrains.com/issue/KT-82758) [PL] Change the behavior of getting name of removed property |
| - [`KT-81470`](https://youtrack.jetbrains.com/issue/KT-81470) Simplify inline function deserialization after the bootstrap update |
| - [`KT-81466`](https://youtrack.jetbrains.com/issue/KT-81466) Enable KlibAnnotationsInMetadata by default in LV 2.5 |
| - [`KT-82208`](https://youtrack.jetbrains.com/issue/KT-82208) K/Wasm: allow using newer stdlib with older compiler |
| - [`KT-83328`](https://youtrack.jetbrains.com/issue/KT-83328) kotlin-wasm-benchmarks: Compilation errors due to missing KLIB dependencies |
| - [`KT-83071`](https://youtrack.jetbrains.com/issue/KT-83071) Failure on Native Nightly |
| - [`KT-78365`](https://youtrack.jetbrains.com/issue/KT-78365) [PL] Change the behavior of getting name of removed function |
| - [`KT-81977`](https://youtrack.jetbrains.com/issue/KT-81977) Klib compatibility tests: Implement sanity checks |
| - [`KT-81410`](https://youtrack.jetbrains.com/issue/KT-81410) Klib metadata: migrate to using the common annotations instead of klib-specific extensions in kotlinx-metadata-klib |
| - [`KT-82577`](https://youtrack.jetbrains.com/issue/KT-82577) Don't use KLIB resolver in the KLIB tool |
| - [`KT-82213`](https://youtrack.jetbrains.com/issue/KT-82213) IR linker doesn't complain when a private value class constructor is used from another module |
| - [`KT-81003`](https://youtrack.jetbrains.com/issue/KT-81003) KLIBs: Eliminate excessive implicit casts in common prefix on the 1st stage |
| - [`KT-81670`](https://youtrack.jetbrains.com/issue/KT-81670) K/N: Many Section still use none cacheable zip when Xklib-zip-file-accessor-cache-limit flag set |
| - [`KT-81954`](https://youtrack.jetbrains.com/issue/KT-81954) [JS] All forward compatibility tests fail |
| - [`KT-81709`](https://youtrack.jetbrains.com/issue/KT-81709) [KLIB Reproducibility] KLIB zip file generation is non-deterministic due to unsorted file system traversal |
| - [`KT-81474`](https://youtrack.jetbrains.com/issue/KT-81474) [Tests][Klibs] Migrate Klib evolution tests to PL tests engine |
| |
| ### Language Design |
| |
| - [`KT-83009`](https://youtrack.jetbrains.com/issue/KT-83009) Exposing of non-exportable API from interfaces |
| - [`KT-73502`](https://youtrack.jetbrains.com/issue/KT-73502) Context parameters: it is not possible to declare local function with a context |
| |
| ### Libraries |
| |
| #### New Features |
| |
| - [`KT-81997`](https://youtrack.jetbrains.com/issue/KT-81997) Method to create a detached copy of a Map entry |
| - [`KT-79093`](https://youtrack.jetbrains.com/issue/KT-79093) Expose FirResolvedStatus.hasMustUseReturnValue in kotlin-metadata |
| |
| #### Performance Improvements |
| |
| - [`KT-75801`](https://youtrack.jetbrains.com/issue/KT-75801) Optimize Array to list conversion using array copy instead of a loop |
| - [`KT-82038`](https://youtrack.jetbrains.com/issue/KT-82038) K/N: iterating over Array.asList is slower compared to ArrayList |
| |
| #### Fixes |
| |
| - [`KT-78115`](https://youtrack.jetbrains.com/issue/KT-78115) Investigate the current situation with 22 `kotlin.context` standard library overloads |
| - [`KT-82363`](https://youtrack.jetbrains.com/issue/KT-82363) Add `assertIs` to the list of ignorable functions |
| - [`KT-80666`](https://youtrack.jetbrains.com/issue/KT-80666) K/N and K/Wasm: Regex: unassigned category is excluded from other chars |
| - [`KT-80665`](https://youtrack.jetbrains.com/issue/KT-80665) K/N and K/Wasm: Regex: unicode category Symbol matches some punctuation marks |
| - [`KT-78089`](https://youtrack.jetbrains.com/issue/KT-78089) K/N: Regex: Quantified groups matching is causing a stack overflow |
| - [`KT-82783`](https://youtrack.jetbrains.com/issue/KT-82783) HashMap (K/N, Wasm), MapBuilder (all targets) duplicate keys |
| - [`KT-52400`](https://youtrack.jetbrains.com/issue/KT-52400) Deprecate `@BuilderInference` |
| - [`KT-80786`](https://youtrack.jetbrains.com/issue/KT-80786) Annotate kotlin-stdlib-jdk7/8 with `@IgnorableReturnValue` |
| - [`KT-83181`](https://youtrack.jetbrains.com/issue/KT-83181) Remove `@IgnorableReturnValue` from contract DSL functions |
| - [`KT-82033`](https://youtrack.jetbrains.com/issue/KT-82033) Array<Array<T>>.flatten fails with obscure error when total length exceeds List's size limit |
| - [`KT-83290`](https://youtrack.jetbrains.com/issue/KT-83290) Remove unnecessary ExperimentalTime annotation from Uuid functions |
| - [`KT-83026`](https://youtrack.jetbrains.com/issue/KT-83026) Specify compareTo behavior for Boolean |
| - [`KT-82868`](https://youtrack.jetbrains.com/issue/KT-82868) Restore accidentally deleted JS-specific note in ArrayList documentation |
| - [`KT-81563`](https://youtrack.jetbrains.com/issue/KT-81563) Document kotlin.collections.HashMap and HashSet |
| - [`KT-81562`](https://youtrack.jetbrains.com/issue/KT-81562) Document kotlin.collections.ArrayList |
| - [`KT-60535`](https://youtrack.jetbrains.com/issue/KT-60535) Mark SubclassOptInRequired and RequiresOptIn with MustBeDocumented |
| - [`KT-64649`](https://youtrack.jetbrains.com/issue/KT-64649) Add explanation to "A compileOnly dependency is used in the Kotlin/Native target" warning message |
| |
| ### Native |
| |
| - [`KT-83542`](https://youtrack.jetbrains.com/issue/KT-83542) Switch the default GC back to PMCS in 2.3.20-RC |
| - [`KT-82387`](https://youtrack.jetbrains.com/issue/KT-82387) Kotlin <-> Xcode compatibility issue |
| - [`KT-75806`](https://youtrack.jetbrains.com/issue/KT-75806) KN Compiler with debug build can not produce executable with debug info |
| - [`KT-81828`](https://youtrack.jetbrains.com/issue/KT-81828) Update exception messages regarding disabling native cache |
| - [`KT-81495`](https://youtrack.jetbrains.com/issue/KT-81495) Consider making Kotlin/Native distribution compiler cache reproducible |
| - [`KT-81501`](https://youtrack.jetbrains.com/issue/KT-81501) Make Kotlin/Native distribution runtime .bc and fingerprint reproducible |
| - [`KT-80790`](https://youtrack.jetbrains.com/issue/KT-80790) 'Argument list too long' error when using dynamic_caches |
| - [`KT-48566`](https://youtrack.jetbrains.com/issue/KT-48566) ExceptionInInitializerError when configuring Gradle project with kotlin-multiplatform plugin on a host unsupported by Kotlin/Native |
| |
| ### Native. Build Infrastructure |
| |
| - [`KT-82886`](https://youtrack.jetbrains.com/issue/KT-82886) KonanTarget's clinit causes deadlock |
| - [`KT-81345`](https://youtrack.jetbrains.com/issue/KT-81345) Temporary turned off Swift Export execution tests |
| - [`KT-80869`](https://youtrack.jetbrains.com/issue/KT-80869) Extract per-module test generators for Native tests |
| - [`KT-82028`](https://youtrack.jetbrains.com/issue/KT-82028) Kotlin/Native: move runtime building flags to runtime building code |
| - [`KT-81500`](https://youtrack.jetbrains.com/issue/KT-81500) Make Kotlin/Native distribution shared libraries reproducible |
| - [`KT-72011`](https://youtrack.jetbrains.com/issue/KT-72011) Kotlin/Native: consider building platform libraries with bootstrap compiler |
| - [`KT-81666`](https://youtrack.jetbrains.com/issue/KT-81666) Kotlin/Native: build stdlib with the bootstrap compiler |
| |
| ### Native. C and ObjC Import |
| |
| - [`KT-79741`](https://youtrack.jetbrains.com/issue/KT-79741) Native: implement type checking against Objective-C protocols without `protocolGetter` |
| - [`KT-83039`](https://youtrack.jetbrains.com/issue/KT-83039) Native: mark header-defined functions and globals unavailable with `-Xccall-mode direct` |
| - [`KT-82200`](https://youtrack.jetbrains.com/issue/KT-82200) Native: implement type checking against Objective-C protocols with `objc_runtime_name` without `protocolGetter` |
| - [`KT-82669`](https://youtrack.jetbrains.com/issue/KT-82669) Kotlin/Native: cinterop tests failure with no class for metaclass |
| - [`KT-79742`](https://youtrack.jetbrains.com/issue/KT-79742) Native: import C global variables without C wrappers |
| - [`KT-81937`](https://youtrack.jetbrains.com/issue/KT-81937) Native: switch cinterop to `-Xccall-mode both` by default for custom cinterop klibs |
| - [`KT-81548`](https://youtrack.jetbrains.com/issue/KT-81548) Native: compiler doesn't sanitize CCall.Direct symbol names in C stubs |
| - [`KT-81538`](https://youtrack.jetbrains.com/issue/KT-81538) Native: InteropBridgesNameInventor doesn't handle legitimate '$' characters in function names |
| - [`KT-81017`](https://youtrack.jetbrains.com/issue/KT-81017) Native: compiler can't call CCall.Direct with '$' in the symbol name |
| |
| ### Native. ObjC Export |
| |
| - [`KT-82160`](https://youtrack.jetbrains.com/issue/KT-82160) K/N: bridge for fake override is not built but requested |
| - [`KT-83736`](https://youtrack.jetbrains.com/issue/KT-83736) Objective-C export with `objcExportBlockExplicitParameterNames` generates invalid block signature when lambda parameter is named `id` |
| - [`KT-83014`](https://youtrack.jetbrains.com/issue/KT-83014) Native: experimental support for generating an NS_ENUM in addition to an Objective-C class for Kotlin classes |
| - [`KT-76637`](https://youtrack.jetbrains.com/issue/KT-76637) ObjCExport: K1 + K2 integration test |
| |
| ### Native. Runtime |
| |
| - [`KT-82077`](https://youtrack.jetbrains.com/issue/KT-82077) Kotlin/Native: in runtime make main module depend on mm module |
| |
| ### Native. Runtime. Memory |
| |
| - [`KT-82635`](https://youtrack.jetbrains.com/issue/KT-82635) Enable CMS GC by default in 2.3.20-Beta1 |
| - [`KT-83470`](https://youtrack.jetbrains.com/issue/KT-83470) Potential race condition in TryRequestThreadsSuspension due to initialization order |
| - [`KT-83549`](https://youtrack.jetbrains.com/issue/KT-83549) Provide an experimental Platform property which returns information about object allocation mode |
| - [`KT-83535`](https://youtrack.jetbrains.com/issue/KT-83535) Typo in out-of-memory error message |
| - [`KT-81152`](https://youtrack.jetbrains.com/issue/KT-81152) Kotlin/Native: deprecate isMemoryLeakCheckerActive |
| - [`KT-81156`](https://youtrack.jetbrains.com/issue/KT-81156) Kotlin/Native: deprecate forceCheckedShutdown |
| |
| ### Native. Swift Export |
| |
| #### New Features |
| |
| - [`KT-82908`](https://youtrack.jetbrains.com/issue/KT-82908) Swift Export: bridges for FT should be recursive |
| |
| #### Fixes |
| |
| - [`KT-82054`](https://youtrack.jetbrains.com/issue/KT-82054) Swift Export: `private set` is ignored by swift export |
| - [`KT-83499`](https://youtrack.jetbrains.com/issue/KT-83499) Swift Export: trampoulines w/ varargs results in a broken swift code |
| - [`KT-83655`](https://youtrack.jetbrains.com/issue/KT-83655) Typealias to a closure receiving a closure results in broken swift code |
| - [`KT-82053`](https://youtrack.jetbrains.com/issue/KT-82053) Swift Export: Returning generic on top level function produces uncompilable code |
| - [`KT-80971`](https://youtrack.jetbrains.com/issue/KT-80971) Swift Export: Support exception throwing |
| - [`KT-83141`](https://youtrack.jetbrains.com/issue/KT-83141) Swift Export: suspendable covariant functional type |
| - [`KT-82907`](https://youtrack.jetbrains.com/issue/KT-82907) Swift Export: attributes are not printed for parameters of closures |
| - [`KT-80970`](https://youtrack.jetbrains.com/issue/KT-80970) Swift Export: Support cancellation |
| - [`KT-82726`](https://youtrack.jetbrains.com/issue/KT-82726) Swift Export: filters out wrong module for coroutines |
| - [`KT-81591`](https://youtrack.jetbrains.com/issue/KT-81591) Custom type translation rules in Swift export |
| - [`KT-81270`](https://youtrack.jetbrains.com/issue/KT-81270) K/N - Build fails when exposing suspend functions |
| |
| ### Tools. BCV |
| |
| - [`KT-80938`](https://youtrack.jetbrains.com/issue/KT-80938) Binary compatibility validation: can't exclude container types of Repeatable annotations by `filters.excluded.byNames` |
| - [`KT-83484`](https://youtrack.jetbrains.com/issue/KT-83484) Create fat-jar artifact for abi-tools [ABI Validation] |
| - [`KT-80747`](https://youtrack.jetbrains.com/issue/KT-80747) Refactor API of ABI tools [ABI Tools] |
| |
| ### Tools. Build Tools API |
| |
| #### New Features |
| |
| - [`KT-80681`](https://youtrack.jetbrains.com/issue/KT-80681) BTA: introduce a special argument for passing compiler plugins |
| - [`KT-80338`](https://youtrack.jetbrains.com/issue/KT-80338) Kotlin CRI generation |
| - [`KT-78198`](https://youtrack.jetbrains.com/issue/KT-78198) BTA: implement basic metrics collection |
| - [`KT-79975`](https://youtrack.jetbrains.com/issue/KT-79975) BTA: add ability to cancel build operations |
| - [`KT-81790`](https://youtrack.jetbrains.com/issue/KT-81790) [BTA] Make build operations and configuration immutable after execute |
| - [`KT-82702`](https://youtrack.jetbrains.com/issue/KT-82702) BTA: Allow collecting compiler lookups in non-incremental mode |
| - [`KT-81847`](https://youtrack.jetbrains.com/issue/KT-81847) Add CRI <-> BTA integration |
| - [`KT-81845`](https://youtrack.jetbrains.com/issue/KT-81845) Add CRI <-> Maven integration |
| |
| #### Fixes |
| |
| - [`KT-84577`](https://youtrack.jetbrains.com/issue/KT-84577) BTA: API 2.3.20 incompatible with compiler 2.3.10 |
| - [`KT-82682`](https://youtrack.jetbrains.com/issue/KT-82682) BTA: reading non-nullable arguments may return null or throw NPE |
| - [`KT-81729`](https://youtrack.jetbrains.com/issue/KT-81729) BTA: loading from a classloader without implementation fails with CNFE instead of error with explanation |
| - [`KT-83971`](https://youtrack.jetbrains.com/issue/KT-83971) BTA: OperationCancelledException cannot be thrown properly from isolated classloader |
| - [`KT-82167`](https://youtrack.jetbrains.com/issue/KT-82167) Add BuildTimeMetric for the CRI data generation |
| - [`KT-81846`](https://youtrack.jetbrains.com/issue/KT-81846) Add FUS for CRI usage in Gradle / Maven |
| - [`KT-82399`](https://youtrack.jetbrains.com/issue/KT-82399) [BTA] JvmClasspathSnapshottingOperationImpl doesn't use Option defaults |
| - [`KT-82039`](https://youtrack.jetbrains.com/issue/KT-82039) BuildEvent compilation error missing with KGP 2.3.0-Beta1 |
| - [`KT-81887`](https://youtrack.jetbrains.com/issue/KT-81887) Implement the CRI lookup data generation |
| - [`KT-81886`](https://youtrack.jetbrains.com/issue/KT-81886) Implement the CRI data serialization |
| - [`KT-81780`](https://youtrack.jetbrains.com/issue/KT-81780) Add Gradle <-> CRI integration tests |
| - [`KT-81645`](https://youtrack.jetbrains.com/issue/KT-81645) BTA prints unreadable version in "option available only since" error (shows KotlinReleaseVersion`@hash` instead of 2.x.y) |
| |
| ### Tools. CLI |
| |
| - [`KT-83044`](https://youtrack.jetbrains.com/issue/KT-83044) Report redundant CLI arguments when they have no effect |
| - [`KT-83202`](https://youtrack.jetbrains.com/issue/KT-83202) Report all errors during parsing CLI arguments instead of a single one |
| - [`KT-73320`](https://youtrack.jetbrains.com/issue/KT-73320) Migrate the main JS CLI pipeline to the phased structure |
| - [`KT-81898`](https://youtrack.jetbrains.com/issue/KT-81898) Introduce a CLI option to disable source file sorting |
| - [`KT-73606`](https://youtrack.jetbrains.com/issue/KT-73606) Provide a unified interface for managing the reporting of compiler warnings |
| - [`KT-48419`](https://youtrack.jetbrains.com/issue/KT-48419) Using a `@RequiresOptIn` API that does not exist should have an option to not output a warning |
| - [`KT-81861`](https://youtrack.jetbrains.com/issue/KT-81861) Introduce a mechanism that allows suppressing CLI diagnostics |
| - [`KT-82321`](https://youtrack.jetbrains.com/issue/KT-82321) KMP Separate Compilation: Common fragments are missing forward declaration symbol providers |
| - [`KT-81551`](https://youtrack.jetbrains.com/issue/KT-81551) Introduce an experimental CLI option for enabling local type aliases |
| - [`KT-74196`](https://youtrack.jetbrains.com/issue/KT-74196) Remove patched copy of com.intellij.util.lang.JavaVersion from the Kotlin repo |
| |
| ### Tools. CLI. Native |
| |
| - [`KT-64509`](https://youtrack.jetbrains.com/issue/KT-64509) Refactor Kotlin/Native compiler setup: run FE without KonanConfig |
| |
| ### Tools. Compiler Plugin API |
| |
| - [`KT-83823`](https://youtrack.jetbrains.com/issue/KT-83823) Deprecate `PreprocessedVirtualFileFactoryExtension` |
| - [`KT-82809`](https://youtrack.jetbrains.com/issue/KT-82809) [FIR][IC] New containingFileName parameter API is not actually compatible with IC |
| - [`KT-46709`](https://youtrack.jetbrains.com/issue/KT-46709) IR plugin lookups don't work as expected for expect class with actual typealias |
| - [`KT-82518`](https://youtrack.jetbrains.com/issue/KT-82518) Disable automatic body generation of the plugin-generated callables |
| - [`KT-82159`](https://youtrack.jetbrains.com/issue/KT-82159) [FIR] Automatically add expressions to properties or functions |
| - [`KT-58886`](https://youtrack.jetbrains.com/issue/KT-58886) K2: compiler plugin generated top level declarations cause AssertionError on K/JS and K/Native |
| |
| ### Tools. Compiler Plugins |
| |
| #### New Features |
| |
| - [`KT-71893`](https://youtrack.jetbrains.com/issue/KT-71893) Support `@Builder` lombok annotation on methods |
| - [`KT-28594`](https://youtrack.jetbrains.com/issue/KT-28594) Add a 'jpa' pre-defined flavor to the allOpen compiler plugin. |
| - [`KT-81604`](https://youtrack.jetbrains.com/issue/KT-81604) Lombok Kotlin compiler plugin and -Werror: Unable to ignore warning for the plugin appliance |
| |
| #### Fixes |
| |
| - [`KT-83119`](https://youtrack.jetbrains.com/issue/KT-83119) Lombok. canEqual is not available from kotlin for a class with `@Data` annotation |
| - [`KT-83334`](https://youtrack.jetbrains.com/issue/KT-83334) Lombok. Builder function is unavailable for a generic class |
| - [`KT-83063`](https://youtrack.jetbrains.com/issue/KT-83063) Lombok: Setter/getter is not available with a protected access level |
| - [`KT-83217`](https://youtrack.jetbrains.com/issue/KT-83217) Lombok. With method is available for the static field |
| - [`KT-83120`](https://youtrack.jetbrains.com/issue/KT-83120) Lombok. A constructor is available for a class with an existing constructor and `@Data`/`@Value` annotation |
| - [`KT-83256`](https://youtrack.jetbrains.com/issue/KT-83256) Lombok. Setter is available for non-final fields if `@Value` and `@Data`/`@Setter` are used together |
| - [`KT-83251`](https://youtrack.jetbrains.com/issue/KT-83251) Lombok. Constructor from `@Value` includes fields that are initialized in declaration |
| - [`KT-83252`](https://youtrack.jetbrains.com/issue/KT-83252) Lombok. Class marked with `@Value` isn't final |
| - [`KT-83085`](https://youtrack.jetbrains.com/issue/KT-83085) Lombok: getter/setter is available for a static field if class is annotated |
| - [`KT-83078`](https://youtrack.jetbrains.com/issue/KT-83078) Lombok: getter and setter are not available for a static Java field |
| - [`KT-82341`](https://youtrack.jetbrains.com/issue/KT-82341) Migrate official compiler plugins to IC-safe reference... API |
| |
| ### Tools. Compiler plugins. Compose |
| |
| - [`KT-84218`](https://youtrack.jetbrains.com/issue/KT-84218) [2.3.20-Beta1] "IllegalStateException: no implementation for FUN MISSING_DECLARATION" during bitcode lowering |
| - [`KT-84055`](https://youtrack.jetbrains.com/issue/KT-84055) Reference to lambda in lambda in function 'TextField' can not be evaluated |
| |
| ### Tools. Compiler plugins. Serialization |
| |
| - [`KT-82351`](https://youtrack.jetbrains.com/issue/KT-82351) Migrate kotlinx.serialization to IC-safe reference... API |
| - [`KT-76949`](https://youtrack.jetbrains.com/issue/KT-76949) Serialization: "IllegalStateException: Serializer for element of type kotlin.Any has not been found" on custom serializer for `Map<String, Any?>` |
| - [`KT-73107`](https://youtrack.jetbrains.com/issue/KT-73107) Serialization: "IllegalStateException: Serializer for element of type kotlin.Any? has not been found" with star projection |
| |
| ### Tools. Gradle |
| |
| #### New Features |
| |
| - [`KT-79389`](https://youtrack.jetbrains.com/issue/KT-79389) Add allopen plugin + JPA preset to kotlin.plugin.jpa |
| - [`KT-78200`](https://youtrack.jetbrains.com/issue/KT-78200) Gradle: enable JVM compilation through BTA by default |
| - [`KT-81844`](https://youtrack.jetbrains.com/issue/KT-81844) Add CRI <-> Gradle integration |
| |
| #### Performance Improvements |
| |
| - [`KT-84152`](https://youtrack.jetbrains.com/issue/KT-84152) Memory Leak and OOM Errors in Kotlin Gradle Plugin 2.3.20-Beta2 with `in-process` execution mode |
| |
| #### Fixes |
| |
| - [`KT-80186`](https://youtrack.jetbrains.com/issue/KT-80186) Remove usage of deprecated Gradle API Project.container(...) |
| - [`KT-78754`](https://youtrack.jetbrains.com/issue/KT-78754) KGP: Remove usages of isVisible/setVisible |
| - [`KT-80356`](https://youtrack.jetbrains.com/issue/KT-80356) Compatibility with Gradle 9.2.0 release |
| - [`KT-78763`](https://youtrack.jetbrains.com/issue/KT-78763) Compatibility with Gradle 9.1.0 release |
| - [`KT-83316`](https://youtrack.jetbrains.com/issue/KT-83316) [BTA] Build Reports missing information when JVM compilation uses Build Tools API |
| - [`KT-82885`](https://youtrack.jetbrains.com/issue/KT-82885) Run tests against Gradle 9.3.0 |
| - [`KT-83125`](https://youtrack.jetbrains.com/issue/KT-83125) Deprecate out-of-process compilation mode |
| - [`KT-82323`](https://youtrack.jetbrains.com/issue/KT-82323) Deprecate LanguageSettings.enableLanguageFeature DSL |
| - [`KT-83323`](https://youtrack.jetbrains.com/issue/KT-83323) Run integration tests against Gradle 9.2 |
| - [`KT-82884`](https://youtrack.jetbrains.com/issue/KT-82884) Compile against Gradle API 9.3.0 |
| - [`KT-78104`](https://youtrack.jetbrains.com/issue/KT-78104) Deprecate CleanableStore infrastructure |
| - [`KT-80096`](https://youtrack.jetbrains.com/issue/KT-80096) Strange "Inconsistent JVM Target Compatibility" warning |
| - [`KT-82715`](https://youtrack.jetbrains.com/issue/KT-82715) Declaring dependencies using multi-string notation has been deprecated |
| - [`KT-83161`](https://youtrack.jetbrains.com/issue/KT-83161) CRI: it is not clear that CRI generation requires BTA being enabled |
| - [`KT-82717`](https://youtrack.jetbrains.com/issue/KT-82717) Specifying 'org.gradle.java.installations.auto-detect' as a project property on the command line has been deprecated |
| - [`KT-81830`](https://youtrack.jetbrains.com/issue/KT-81830) Create autogenerated kotlin version constants to be used with disableNativeCache DSL |
| - [`KT-83322`](https://youtrack.jetbrains.com/issue/KT-83322) Compile against Gradle 9.2 API |
| - [`KT-81831`](https://youtrack.jetbrains.com/issue/KT-81831) Verify Problems API implementation with Gradle guidelines |
| - [`KT-80120`](https://youtrack.jetbrains.com/issue/KT-80120) Support colored value for --console command in Gradle 9.1 |
| - [`KT-81400`](https://youtrack.jetbrains.com/issue/KT-81400) ToolingDiagnosticFactory: check if documentationLink set multiple times |
| - [`KT-83070`](https://youtrack.jetbrains.com/issue/KT-83070) The KGP api reference is missing a description |
| - [`KT-82459`](https://youtrack.jetbrains.com/issue/KT-82459) Improve iOS simulator boot implementation |
| - [`KT-80008`](https://youtrack.jetbrains.com/issue/KT-80008) Track cross compilation status from project dependencies |
| - [`KT-78764`](https://youtrack.jetbrains.com/issue/KT-78764) Compile against Gradle 9.1 API |
| |
| ### Tools. Gradle. BCV |
| |
| - [`KT-80674`](https://youtrack.jetbrains.com/issue/KT-80674) Rename tasks to avoid using `legacy` word [ABI Validation] |
| - [`KT-80614`](https://youtrack.jetbrains.com/issue/KT-80614) Add dependency on abi check from gradle's check task [ABI Validation] |
| - [`KT-80827`](https://youtrack.jetbrains.com/issue/KT-80827) Delete DSL for working with dump variants [ABI Validation] |
| - [`KT-80823`](https://youtrack.jetbrains.com/issue/KT-80823) Stabilize DSL for filtering [ABI Validation] |
| |
| ### Tools. Gradle. Cocoapods |
| |
| - [`KT-80641`](https://youtrack.jetbrains.com/issue/KT-80641) EXECUTABLE_DEBUG_DYLIB_PATH problem |
| - [`KT-80644`](https://youtrack.jetbrains.com/issue/KT-80644) Cocoapod plugin builds a synthetic project for "generic/platform=iOS Simulator" |
| |
| ### Tools. Gradle. JS |
| |
| - [`KT-84772`](https://youtrack.jetbrains.com/issue/KT-84772) Bundled yarn.lock for kotlinWasmToolingSetup does not include `@swc`/helpers`@0`.5.17 |
| - [`KT-82946`](https://youtrack.jetbrains.com/issue/KT-82946) Js, Wasm: Upgrade NPM dependencies |
| |
| ### Tools. Gradle. Multiplatform |
| |
| #### New Features |
| |
| - [`KT-77258`](https://youtrack.jetbrains.com/issue/KT-77258) Query status of cross-compilation or compilation task |
| - [`KT-81849`](https://youtrack.jetbrains.com/issue/KT-81849) Replace kotlin-test-common and kotlin-test-annotations-common with just kotlin-test |
| |
| #### Fixes |
| |
| - [`KT-83917`](https://youtrack.jetbrains.com/issue/KT-83917) compileCommonMainKotlinMetadata fails in CMP core repository with Kotlin 2.3.20-Beta1 |
| - [`KT-82090`](https://youtrack.jetbrains.com/issue/KT-82090) Kotlin JVM + Android Shared Source set fails Import with the Project Isolation enabled |
| - [`KT-81973`](https://youtrack.jetbrains.com/issue/KT-81973) NPE with Cannot invoke "java.util.List.get(int)" because "path" is null in KMP + Android project |
| - [`KT-79257`](https://youtrack.jetbrains.com/issue/KT-79257) Consider deprecating and removing kotlin.kmp.isolated-projects.support |
| - [`KT-81944`](https://youtrack.jetbrains.com/issue/KT-81944) Legacy KMP Android uses wrong configurations to infer common dependencies |
| - [`KT-83687`](https://youtrack.jetbrains.com/issue/KT-83687) Revert deprecation of 'androidTarget' for AGP lower than 9 |
| - [`KT-81536`](https://youtrack.jetbrains.com/issue/KT-81536) "Couldn't resolve dependency in 'commonMain' for all target platforms" in 2.2.20-Beta2 |
| - [`KT-81724`](https://youtrack.jetbrains.com/issue/KT-81724) IntelliJ successfully resolves imports that are not actually available in the given module |
| - [`KT-79073`](https://youtrack.jetbrains.com/issue/KT-79073) compileTest* tasks pass separateCompilation parameters but don't behave accordingly |
| - [`KT-71130`](https://youtrack.jetbrains.com/issue/KT-71130) Enable Isolated Projects support by default for KMP |
| |
| ### Tools. Gradle. Native |
| |
| - [`KT-84759`](https://youtrack.jetbrains.com/issue/KT-84759) iosX64 should not be marked as deprecated in Kotlin Gradle DSL |
| - [`KT-83598`](https://youtrack.jetbrains.com/issue/KT-83598) KotlinNativeDownloadTask build caching is unsafe |
| - [`KT-80715`](https://youtrack.jetbrains.com/issue/KT-80715) Deprecate `kotlin.native.cacheKind` and introduce DSL instead |
| - [`KT-83353`](https://youtrack.jetbrains.com/issue/KT-83353) DisableNativeCache breaks up-to-date checks for non-cacheable K/N targets |
| - [`KT-81443`](https://youtrack.jetbrains.com/issue/KT-81443) `ConfigurationCacheError` on Linux arm64 due to disabled iOS targets |
| - [`KT-82970`](https://youtrack.jetbrains.com/issue/KT-82970) Warning about disabled K/N caches for non-cacheable targets is printed twice |
| - [`KT-82786`](https://youtrack.jetbrains.com/issue/KT-82786) Warning about disabled K/N caches is displayed twice |
| |
| ### Tools. Gradle. Swift Export |
| |
| - [`KT-82727`](https://youtrack.jetbrains.com/issue/KT-82727) Swift Export: generated kotlin bridges don't see neighboring modules |
| |
| ### Tools. Gradle. Wasm |
| |
| - [`KT-82525`](https://youtrack.jetbrains.com/issue/KT-82525) K/Wasm: kotlinToolingSetup does not depend on package manager installation |
| |
| ### Tools. Incremental Compile |
| |
| - [`KT-80483`](https://youtrack.jetbrains.com/issue/KT-80483) Incorporate IC lookups into `reference...` methods of `IrPluginContext` |
| |
| ### Tools. JPS |
| |
| - [`KT-76927`](https://youtrack.jetbrains.com/issue/KT-76927) Switching from VAL to VAR does not trigger recompilation of usage in Kotlin-uses-Kotlin |
| - [`KT-79362`](https://youtrack.jetbrains.com/issue/KT-79362) JPS/NoArg: Failed to build project with 'java.lang.NoClassDefFoundError: org/jetbrains/kotlin/com/intellij/psi/PsiElement' |
| |
| ### Tools. Kapt |
| |
| - [`KT-81691`](https://youtrack.jetbrains.com/issue/KT-81691) K2: KAPT: "ClassCastException: IrErrorTypeImpl cannot be cast to class IrSimpleType" |
| - [`KT-82338`](https://youtrack.jetbrains.com/issue/KT-82338) K2 KAPT: ISE "Cannot evaluate IR expression in annotation" on unresolved enum usage |
| |
| ### Tools. Maven |
| |
| - [`KT-83565`](https://youtrack.jetbrains.com/issue/KT-83565) Maven: auto‑detect src/main|test/kotlin |
| - [`KT-79304`](https://youtrack.jetbrains.com/issue/KT-79304) Maven: Automatically add kotlin-stdlib dependency |
| - [`KT-83111`](https://youtrack.jetbrains.com/issue/KT-83111) Add JavaVersion argument resolver for kotlin-maven-plugin-test |
| - [`KT-83112`](https://youtrack.jetbrains.com/issue/KT-83112) Add MavenVersion argument resolver for kotlin-maven-plugin-test |
| |
| ### Tools. REPL |
| |
| - [`KT-82575`](https://youtrack.jetbrains.com/issue/KT-82575) [K2 REPL] Redesign frontend resolution for REPL snippets |
| - [`KT-82741`](https://youtrack.jetbrains.com/issue/KT-82741) [K2 Repl] OOM in `FirJavaElementFinderKt.collectAllDependentSourceSessionsTo` when rerunning the same cell multiple times |
| |
| ### Tools. Scripts |
| |
| - [`KT-81679`](https://youtrack.jetbrains.com/issue/KT-81679) Script explain: while loop explanation may lead to the hanging code |
| - [`KT-81677`](https://youtrack.jetbrains.com/issue/KT-81677) Script explain: Contents of the if/when branches are not explained |
| - [`KT-67063`](https://youtrack.jetbrains.com/issue/KT-67063) LauncherReplTest flaky on Windows |
| |
| ### Tools. Statistics (FUS) |
| |
| - [`KT-82877`](https://youtrack.jetbrains.com/issue/KT-82877) Add performance measurement for KLIB size |
| - [`KT-79576`](https://youtrack.jetbrains.com/issue/KT-79576) Included build subprojects produce FUS files with unknown_id when configuration cache is enabled |
| |
| |
| ## 2.3.10 |
| |
| ### Compiler |
| |
| - [`KT-83984`](https://youtrack.jetbrains.com/issue/KT-83984) Data races around kotlinx.serialization plugin protobuf extensions registration |
| - [`KT-83317`](https://youtrack.jetbrains.com/issue/KT-83317) ClassCastException: with cast kotlin.UInt to java.lang.Number when defining constant |
| - [`KT-83031`](https://youtrack.jetbrains.com/issue/KT-83031) K2: unstable resolution of EnhancedNullability from type-use NotNull in presence of unused code |
| - [`KT-81700`](https://youtrack.jetbrains.com/issue/KT-81700) flaky overload resolution behaviors (false-positive errors, different final candidates, compile-time failures) |
| - [`KT-83983`](https://youtrack.jetbrains.com/issue/KT-83983) Revert of KT-83081 |
| - [`KT-83314`](https://youtrack.jetbrains.com/issue/KT-83314) JSpecify `@NullMarked` changes Java equals(Object) to equals(Any?) causing override conflict in Kotlin 2.3 |
| - [`KT-82863`](https://youtrack.jetbrains.com/issue/KT-82863) `@NoInfer` regression since 2.2.20 |
| - [`KT-82841`](https://youtrack.jetbrains.com/issue/KT-82841) "kotlin.NoWhenBranchMatchedException" in `when` with `!is` check & non-sealed class in the middle of hierarchy |
| |
| ### JVM. Reflection |
| |
| - [`KT-83608`](https://youtrack.jetbrains.com/issue/KT-83608) Kotlin-reflect: "Unknown origin of public abstract operator fun invoke(p1: P1, p2: P2): R" |
| - [`KT-83361`](https://youtrack.jetbrains.com/issue/KT-83361) "KotlinReflectionInternalError: Type parameter not found: 0" on super types with Kotlin 2.3.0 |
| - [`KT-42199`](https://youtrack.jetbrains.com/issue/KT-42199) "KotlinReflectionInternalError: Unknown origin of public abstract operator fun invoke" on function reference to FunctionN.invoke |
| - [`KT-81024`](https://youtrack.jetbrains.com/issue/KT-81024) Reflection: New KType implementation fails on arguments comparison for a Nothing type parameter |
| |
| ### Tools. Compiler Plugins |
| |
| - [`KT-83266`](https://youtrack.jetbrains.com/issue/KT-83266) "Unsupported class file major version 69" for "produceReleaseComposeMapping" task with Kotlin 2.3 |
| - [`KT-83099`](https://youtrack.jetbrains.com/issue/KT-83099) Compose compiler does not generate stack trace mappings for project files |
| |
| ### Tools. Gradle |
| |
| - [`KT-83070`](https://youtrack.jetbrains.com/issue/KT-83070) The KGP api reference is missing a description |
| - [`KT-82459`](https://youtrack.jetbrains.com/issue/KT-82459) Improve iOS simulator boot implementation |
| |
| ### Tools. Gradle. JS |
| |
| - [`KT-82946`](https://youtrack.jetbrains.com/issue/KT-82946) Js, Wasm: Upgrade NPM dependencies |
| |
| ### Tools. Gradle. Multiplatform |
| |
| - [`KT-83687`](https://youtrack.jetbrains.com/issue/KT-83687) Revert deprecation of 'androidTarget' for AGP lower than 9 |
| |
| |
| ## 2.3.0 |
| |
| ### Analysis API |
| |
| - [`KT-80082`](https://youtrack.jetbrains.com/issue/KT-80082) K2. False positive "Cannot resolve method" for self-bounded generic with wildcard return type in Java interop |
| - [`KT-80303`](https://youtrack.jetbrains.com/issue/KT-80303) Move `:native:analysis-api-klib-reader` to `:libraries:tools` |
| |
| ### Analysis API. Code Compilation |
| |
| - [`KT-70860`](https://youtrack.jetbrains.com/issue/KT-70860) K2 IDE / Kotlin Debugger: CCE “java.lang.String cannot be cast to java.lang.Void” on evaluating not-null variable on the line with assigning null to that var |
| - [`KT-78554`](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-81378`](https://youtrack.jetbrains.com/issue/KT-81378) Expected expression 'FirFunctionCallImpl' to be resolved caused by `suspend {}` |
| - [`KT-80473`](https://youtrack.jetbrains.com/issue/KT-80473) Add events for tracking LL activities |
| - [`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-80690`](https://youtrack.jetbrains.com/issue/KT-80690) Private interface functions are not present in light classes |
| - [`KT-80256`](https://youtrack.jetbrains.com/issue/KT-80256) K2: Certain actions in JPA code causes infinite PIEAE: "Element class CompositeElement of type REFERENCE_EXPRESSION (class KtNameReferenceExpressionElementType)" |
| - [`KT-79012`](https://youtrack.jetbrains.com/issue/KT-79012) Add a high-level overview of light classes |
| |
| ### Analysis API. Providers and Caches |
| |
| #### Fixes |
| |
| - [`KT-81476`](https://youtrack.jetbrains.com/issue/KT-81476) Analysis API: `AlreadyDisposedException` from low-memory cache cleanup |
| - [`KT-80911`](https://youtrack.jetbrains.com/issue/KT-80911) Analysis API: Execute session invalidation in a non-cancelable section |
| - [`KT-81242`](https://youtrack.jetbrains.com/issue/KT-81242) Analysis API: Add UUID/lifetime properties to LL FIR session structure logging |
| - [`KT-80622`](https://youtrack.jetbrains.com/issue/KT-80622) Analysis API: Visualise LL FIR session structure & weight |
| - [`KT-80904`](https://youtrack.jetbrains.com/issue/KT-80904) Analysis API: "Invalid dangling file module" exception during session invalidation |
| - [`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-81108`](https://youtrack.jetbrains.com/issue/KT-81108) AA: java.lang.ClassCastException: class org.jetbrains.kotlin.fir.FirBinaryDependenciesModuleData cannot be cast to class org.jetbrains.kotlin.analysis.low.level.api.fir.projectStructure.LLFirModuleData |
| - [`KT-80573`](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-80350`](https://youtrack.jetbrains.com/issue/KT-80350) Drop K1 decompiler |
| - [`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-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-80084`](https://youtrack.jetbrains.com/issue/KT-80084) Provide endpoints for Analysis API to understand when the context sensitive resolution is used |
| - [`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-80234`](https://youtrack.jetbrains.com/issue/KT-80234) Incorrect value of `isActual` for the implicitly `actual` constructor of annotation class |
| - [`KT-81132`](https://youtrack.jetbrains.com/issue/KT-81132) Use KaSession instead of a particular KaSessionComponent for context parameter bridges |
| - [`KT-81129`](https://youtrack.jetbrains.com/issue/KT-81129) K2: KaSymbolInformationProvider#importableFqName: should return null for dynamic declarations |
| - [`KT-81128`](https://youtrack.jetbrains.com/issue/KT-81128) K2: KaSymbolInformationProvider#importableFqName: should return null for error destructuring declarations |
| - [`KT-81127`](https://youtrack.jetbrains.com/issue/KT-81127) K2: KaSymbolInformationProvider#importableFqName: should return null for anonymous functions |
| - [`KT-81126`](https://youtrack.jetbrains.com/issue/KT-81126) K2: KaSymbolInformationProvider#importableFqName: should return null for enum entry initializer constructors |
| - [`KT-81125`](https://youtrack.jetbrains.com/issue/KT-81125) K2: KaSymbolInformationProvider#importableFqName: should return null for property accessors |
| - [`KT-81124`](https://youtrack.jetbrains.com/issue/KT-81124) K2: KaSymbolInformationProvider#importableFqName: type alias constructor should have a reference to the type alias and not to the underlying class |
| - [`KT-70127`](https://youtrack.jetbrains.com/issue/KT-70127) Analysis API: 'KaFirReceiverParameterSymbol' does not implement 'KaFirSymbol'; leads to exception from `importableFqName` |
| - [`KT-81123`](https://youtrack.jetbrains.com/issue/KT-81123) Reimplement KaFirSymbolInformationProvider#importableFqName |
| - [`KT-81122`](https://youtrack.jetbrains.com/issue/KT-81122) Drop KaImportOptimizer |
| - [`KT-78093`](https://youtrack.jetbrains.com/issue/KT-78093) Add bridges for context parameters |
| - [`KT-79772`](https://youtrack.jetbrains.com/issue/KT-79772) Migrate from 'validityAsserted' to 'withValidityAssertion' |
| - [`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-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-76204`](https://youtrack.jetbrains.com/issue/KT-76204) K/Wasm: support generating a wasm module per kotlin module/klib |
| - [`KT-79357`](https://youtrack.jetbrains.com/issue/KT-79357) K/Wasm: store data for string literals in utf8 for Latin1 |
| - [`KT-82075`](https://youtrack.jetbrains.com/issue/KT-82075) K/Wasm: kotlin.wasm.internal.getSimpleName crashes on iOS Safari older than 26 |
| - [`KT-79244`](https://youtrack.jetbrains.com/issue/KT-79244) [Wasm] Drop K1-specific tests, testrunners and test directives |
| - [`KT-69621`](https://youtrack.jetbrains.com/issue/KT-69621) K/Wasm: Consider enabling support for KClass.qualifiedName by default |
| - [`KT-80397`](https://youtrack.jetbrains.com/issue/KT-80397) K/Wasm: turn on by default using a new version of the exception handling proposal for wasm-wasi target |
| - [`KT-81372`](https://youtrack.jetbrains.com/issue/KT-81372) K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3 |
| - [`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-80461`](https://youtrack.jetbrains.com/issue/KT-80461) K2: false positive NO_ELSE_IN_WHEN for complex sealed hierarchy |
| - [`KT-77676`](https://youtrack.jetbrains.com/issue/KT-77676) K/N: enable typechecks and the casts optimization pass in debug mode by default |
| - [`KT-79185`](https://youtrack.jetbrains.com/issue/KT-79185) Support local type aliases |
| - [`KT-80837`](https://youtrack.jetbrains.com/issue/KT-80837) Warn about extension function with a context shadowed by member |
| - [`KT-80768`](https://youtrack.jetbrains.com/issue/KT-80768) Warning on overloading by a superset of context parameters in class context |
| - [`KT-80031`](https://youtrack.jetbrains.com/issue/KT-80031) Check spotbugs's `@CheckReturnValue` in Kotlin's unused return value checker |
| - [`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-81617`](https://youtrack.jetbrains.com/issue/KT-81617) Native: casts optimizations pass explodes on deep nested loops |
| - [`KT-80554`](https://youtrack.jetbrains.com/issue/KT-80554) Kotlin/Native: investigate performance hit from always-on llvm pass profiling |
| - [`KT-81340`](https://youtrack.jetbrains.com/issue/KT-81340) K/N: severe compilation time degradation after turning on casts optimization pass |
| - [`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-79979`](https://youtrack.jetbrains.com/issue/KT-79979) K2: ClassCastException when overriding extension property with delegation |
| - [`KT-82590`](https://youtrack.jetbrains.com/issue/KT-82590) ClassCastException when instantiating class with generics implemented by fun interface and lambda |
| - [`KT-78881`](https://youtrack.jetbrains.com/issue/KT-78881) K2: False positive "Assigned value is never read" in composable function |
| - [`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-79547`](https://youtrack.jetbrains.com/issue/KT-79547) "UnsupportedOperationException: Not supported" with inlining and value classes |
| - [`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-80744`](https://youtrack.jetbrains.com/issue/KT-80744) Kotlin failure on lambda with type parameter |
| - [`KT-81618`](https://youtrack.jetbrains.com/issue/KT-81618) "Number of arguments should not be less than number of parameters" on JVM on Kotlin 2.3.0-Beta1 |
| - [`KT-82869`](https://youtrack.jetbrains.com/issue/KT-82869) Green-to-Red change in 2.3 after prioritizing non-suspend-function-type overloads |
| - [`KT-79611`](https://youtrack.jetbrains.com/issue/KT-79611) "IllegalStateException: couldn't find inline method": Exception during incremental compilation |
| - [`KT-78895`](https://youtrack.jetbrains.com/issue/KT-78895) Consider dropping isLocalInFunction and FirClassLikeDeclaration.isLocal |
| - [`KT-82040`](https://youtrack.jetbrains.com/issue/KT-82040) Native: ClassCastException: PointerInputChange |
| - [`KT-81924`](https://youtrack.jetbrains.com/issue/KT-81924) K2: "Cannot infer type for this parameter", "Overload resolution ambiguity between candidates" |
| - [`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-71420`](https://youtrack.jetbrains.com/issue/KT-71420) Report error when reified type parameter is inferred to intersection type |
| - [`KT-79451`](https://youtrack.jetbrains.com/issue/KT-79451) Rework approach to recursive types approximation |
| - [`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-82138`](https://youtrack.jetbrains.com/issue/KT-82138) Debugger: Cannot evaluate JvmInline value class parameter |
| - [`KT-82381`](https://youtrack.jetbrains.com/issue/KT-82381) ArrayIndexOutOfBoundsException while FirDiagnosticsCompilerResultsReporter tries to print code as part of a warning log |
| - [`KT-81068`](https://youtrack.jetbrains.com/issue/KT-81068) Corrupted Unicode paths passed or used in the compiler |
| - [`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-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-81652`](https://youtrack.jetbrains.com/issue/KT-81652) Native: ClassCastException: ApplicationForegroundStateListener.Companion |
| - [`KT-76479`](https://youtrack.jetbrains.com/issue/KT-76479) Backend. JVM: Report errors on exposure of types in inline functions |
| - [`KT-82022`](https://youtrack.jetbrains.com/issue/KT-82022) K/N: Unexpected "Annotation `@JvmInline` is missing on actual declaration" warning with value classes |
| - [`KT-80250`](https://youtrack.jetbrains.com/issue/KT-80250) ISE: flow for PostponedLambdaExitNode not initialized - traversing nodes in wrong order? |
| - [`KT-76344`](https://youtrack.jetbrains.com/issue/KT-76344) Drop language version 1.9 for non-JVM platforms |
| - [`KT-76343`](https://youtrack.jetbrains.com/issue/KT-76343) Drop language version 1.8 |
| - [`KT-80330`](https://youtrack.jetbrains.com/issue/KT-80330) K2: NPE at org.jetbrains.kotlin.fir.resolve.calls.FirCallResolver.createResolvedNamedReference |
| - [`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-9111`](https://youtrack.jetbrains.com/issue/KT-9111) Improve diagnostic for call with access to outer class from nested class |
| - [`KT-78280`](https://youtrack.jetbrains.com/issue/KT-78280) Implement the sourceless `KtDiagnostic`s |
| - [`KT-74999`](https://youtrack.jetbrains.com/issue/KT-74999) K2: KotlinNothingValueException within Extension Function |
| - [`KT-81254`](https://youtrack.jetbrains.com/issue/KT-81254) "AssertionError: There should be at least one non-stub type to compute common supertype": Parser issue during generic type inference |
| - [`KT-53237`](https://youtrack.jetbrains.com/issue/KT-53237) NI: Frontend ignores generic bound when inferring types |
| - [`KT-81186`](https://youtrack.jetbrains.com/issue/KT-81186) Only allow local type aliases in REPL/scripts until full stabilization |
| - [`KT-80929`](https://youtrack.jetbrains.com/issue/KT-80929) IC Native: Undefined symbols on ktor |
| - [`KT-81657`](https://youtrack.jetbrains.com/issue/KT-81657) K2: put warning about "exposing package-private in internal" under experimental language feature |
| - [`KT-81241`](https://youtrack.jetbrains.com/issue/KT-81241) Konanc exit while lowering org.jetbrains.kotlin.ir.util.IrUtilsKt.remapTypeParameters |
| - [`KT-74819`](https://youtrack.jetbrains.com/issue/KT-74819) K2: False-positive overload resolution ambiguity for flatMap inside PCLA |
| - [`KT-81547`](https://youtrack.jetbrains.com/issue/KT-81547) Stabilize DFA-based exhaustiveness |
| - [`KT-79274`](https://youtrack.jetbrains.com/issue/KT-79274) Frontend implementation of name-based destructuring |
| - [`KT-79506`](https://youtrack.jetbrains.com/issue/KT-79506) Contract for getter and setter doesn't work if a property is called from another module |
| - [`KT-58988`](https://youtrack.jetbrains.com/issue/KT-58988) K2: Deprecate exposing package-private parameter of internal method |
| - [`KT-80711`](https://youtrack.jetbrains.com/issue/KT-80711) IC Native: NPE during link on ktor |
| - [`KT-77727`](https://youtrack.jetbrains.com/issue/KT-77727) Move some of the extra checkers to the default list |
| - [`KT-76136`](https://youtrack.jetbrains.com/issue/KT-76136) Switch latest stable version in Kotlin project to 2.3 |
| - [`KT-81257`](https://youtrack.jetbrains.com/issue/KT-81257) Native: "Unexpected boolean predicate" when generating 'static_cache' |
| - [`KT-81525`](https://youtrack.jetbrains.com/issue/KT-81525) Report REDUNDANT_SPREAD_OPERATOR on (*) instead of argument expression |
| - [`KT-81522`](https://youtrack.jetbrains.com/issue/KT-81522) Fix Light Tree `SPREAD_OPERATOR` diagnostic positioning |
| - [`KT-77008`](https://youtrack.jetbrains.com/issue/KT-77008) K2: Incorrectly force casting to a wrong type |
| - [`KT-78127`](https://youtrack.jetbrains.com/issue/KT-78127) K2: Too precise inference for if/when with expected type in assignment |
| - [`KT-80208`](https://youtrack.jetbrains.com/issue/KT-80208) K2: ClassCastException: "class java.util.ArrayList cannot be cast to class java.lang.Void" type inference picks Void for generic function |
| - [`KT-75797`](https://youtrack.jetbrains.com/issue/KT-75797) Native: find a way to handle generates C bridges in inline functions |
| - [`KT-78819`](https://youtrack.jetbrains.com/issue/KT-78819) K2: False positive ABSTRACT_MEMBER_NOT_IMPLEMENTED in KJK hierarchy |
| - [`KT-80003`](https://youtrack.jetbrains.com/issue/KT-80003) Kotlin/Native: deprecate eager GlobalData initialization |
| - [`KT-79231`](https://youtrack.jetbrains.com/issue/KT-79231) Inconsistent InnerClass entry flags for abstract inner enum |
| - [`KT-20677`](https://youtrack.jetbrains.com/issue/KT-20677) Improve diagnostic about implicit default constructor absence for expected annotation class |
| - [`KT-81385`](https://youtrack.jetbrains.com/issue/KT-81385) Missing error of nullable expression in class literal in case of reified type parameter |
| - [`KT-81251`](https://youtrack.jetbrains.com/issue/KT-81251) Smartcast doesn't work for an effectively private inline function |
| - [`KT-81245`](https://youtrack.jetbrains.com/issue/KT-81245) Automatic smart cast on properties with EBF is allowed on inlined property accessors |
| - [`KT-81222`](https://youtrack.jetbrains.com/issue/KT-81222) Custom getter is allowed on a property with redundant EBF |
| - [`KT-80795`](https://youtrack.jetbrains.com/issue/KT-80795) Wrong type cast is added for IMPLICIT_COERCION_TO_UNIT |
| - [`KT-81141`](https://youtrack.jetbrains.com/issue/KT-81141) Fix FirUnsupportedArrayLiteralChecker to forbid array literals inside non-annotation contexts |
| - [`KT-81383`](https://youtrack.jetbrains.com/issue/KT-81383) Return type of anonymous function used as `run` argument is incorrectly inferred to `Nothing` |
| - [`KT-80577`](https://youtrack.jetbrains.com/issue/KT-80577) "Return type mismatch" for self-referential types used as generic parameters |
| - [`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-81198`](https://youtrack.jetbrains.com/issue/KT-81198) Move type and type parameter annotations from jvm_metadata.proto to metadata.proto |
| - [`KT-81057`](https://youtrack.jetbrains.com/issue/KT-81057) Wrong handling of boxing during redundant casts optimization |
| - [`KT-81191`](https://youtrack.jetbrains.com/issue/KT-81191) K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code |
| - [`KT-80285`](https://youtrack.jetbrains.com/issue/KT-80285) IJ monorepo: broken compilation after 2.2.20-RC update |
| - [`KT-81115`](https://youtrack.jetbrains.com/issue/KT-81115) Allow converting lambda with explicit parameter when assigning to variable of an extension function type |
| - [`KT-74588`](https://youtrack.jetbrains.com/issue/KT-74588) Redundant checkNotNull intrinsics instructions for Java generic methods |
| - [`KT-78390`](https://youtrack.jetbrains.com/issue/KT-78390) Unmute `FusStatisticsIT.testKotlinxPlugins()` after AtomicFU updates `kotlin-metadata-jvm` |
| - [`KT-79369`](https://youtrack.jetbrains.com/issue/KT-79369) Forbid typealiasing for all compiler-required annotations |
| - [`KT-69294`](https://youtrack.jetbrains.com/issue/KT-69294) K2: Report `CONSTRUCTOR_OR_SUPERTYPE_ON_TYPEALIAS_WITH_TYPE_PROJECTION_ERROR` instead of `EXPANDED_TYPE_CANNOT_BE_INHERITED` after switching to LV 2.2 |
| - [`KT-81064`](https://youtrack.jetbrains.com/issue/KT-81064) Wrong safe call null check handling during redundant casts optimization |
| - [`KT-80871`](https://youtrack.jetbrains.com/issue/KT-80871) StackOverflowError on AnnotationTarget.TYPE |
| - [`KT-80908`](https://youtrack.jetbrains.com/issue/KT-80908) K2: Compiling type annotation with self-annotated vararg fail with exception |
| - [`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-80606`](https://youtrack.jetbrains.com/issue/KT-80606) KotlinIllegalArgumentExceptionWithAttachments when using property itself in explicit backing field initialization |
| - [`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-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-80446`](https://youtrack.jetbrains.com/issue/KT-80446) Explicit visibility modifiers are allowed on EBF |
| - [`KT-80378`](https://youtrack.jetbrains.com/issue/KT-80378) ClassCastException on callable reference to a property with EBF |
| - [`KT-80377`](https://youtrack.jetbrains.com/issue/KT-80377) Fir2Ir: "Cannot determine expected receiver type" for callable reference to a property with EBF outside of class |
| - [`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-80418`](https://youtrack.jetbrains.com/issue/KT-80418) Property with EBF with functional type isn't resolved if its type is Any |
| - [`KT-80469`](https://youtrack.jetbrains.com/issue/KT-80469) Functional type from property is always used for explicit backing field |
| - [`KT-80535`](https://youtrack.jetbrains.com/issue/KT-80535) Missing INITIALIZER_TYPE_MISMATCH for EBF |
| - [`KT-80445`](https://youtrack.jetbrains.com/issue/KT-80445) Private visibility is possible for a property with EBF |
| - [`KT-80164`](https://youtrack.jetbrains.com/issue/KT-80164) Move name generation for unnamed context parameters to frontend |
| - [`KT-80684`](https://youtrack.jetbrains.com/issue/KT-80684) Line breaks are lost in multi-line diagnostic messages since 2.3.0 |
| - [`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-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-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-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-79951`](https://youtrack.jetbrains.com/issue/KT-79951) Infinite loop in parsing incomplete full form destructuring |
| - [`KT-79866`](https://youtrack.jetbrains.com/issue/KT-79866) kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error |
| - [`KT-79777`](https://youtrack.jetbrains.com/issue/KT-79777) Argument type mismatch on value of complex type with a captured raw type argument |
| - [`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-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-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-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-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-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-79017`](https://youtrack.jetbrains.com/issue/KT-79017) False negative REDECLARATION on private nested class |
| - [`KT-79519`](https://youtrack.jetbrains.com/issue/KT-79519) Nested type alias is unreachable from another module |
| - [`KT-72039`](https://youtrack.jetbrains.com/issue/KT-72039) StackOverflowError on calling keySet on a Kotlin subclass of Java subclass of ConcurrentHashMap |
| - [`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-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-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-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-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 |
| - [`KT-70507`](https://youtrack.jetbrains.com/issue/KT-70507) Should parentheses prevent from plus/set operator desugaring? |
| |
| ### 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/419049140`](https://issuetracker.google.com/issues/419049140) Disabled memoization in `try` blocks |
| - [`KT-81081`](https://youtrack.jetbrains.com/issue/KT-81081) Generate Compose-specific proguard mappings when Compose compiler plugin is applied. |
| - [`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 |
| - [`CMP-9167`](https://youtrack.jetbrains.com/issue/CMP-9167) iOS: Platform declaration clash: The following functions have the same IR signature |
| |
| ### 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-77337`](https://youtrack.jetbrains.com/issue/KT-77337) `IrNoExpectSymbolsHandler` finds expect class reference after enabling annotation traversal in IR |
| - [`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> |
| |
| ### 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-78673`](https://youtrack.jetbrains.com/issue/KT-78673) Make fakeOverrideLocalGenericBase not using red code |
| - [`KT-78537`](https://youtrack.jetbrains.com/issue/KT-78537) [Inliner] Incorrect KFunction.name of a reference to inlined local function |
| - [`KT-74892`](https://youtrack.jetbrains.com/issue/KT-74892) Investigate passing inline lambda as argument of another inline function |
| - [`KT-81673`](https://youtrack.jetbrains.com/issue/KT-81673) False warnings about ABI change in dependencies in library mode in 2.3.0-Beta1 |
| - [`KT-81713`](https://youtrack.jetbrains.com/issue/KT-81713) [Inliner] Compilation of inline function with recursive call applied to TODO() fails with an internal error |
| - [`KT-80653`](https://youtrack.jetbrains.com/issue/KT-80653) [IR Inliner] Space: "Local declarations should've been popped out by this point" |
| - [`KT-78392`](https://youtrack.jetbrains.com/issue/KT-78392) CommonPrefix: Add a way of stopping execution when one of the phases is unsuccessful |
| - [`KT-80927`](https://youtrack.jetbrains.com/issue/KT-80927) [Native] Review intrinsics with PublishedApi |
| - [`KT-81070`](https://youtrack.jetbrains.com/issue/KT-81070) [Inliner] kotlin/Any is unbound |
| - [`KT-80628`](https://youtrack.jetbrains.com/issue/KT-80628) KLIB inliner: Not enough information about the "full" mode |
| - [`KT-69516`](https://youtrack.jetbrains.com/issue/KT-69516) Double-inlining for Native: Enable visibility checks after 1st phase of inlining |
| - [`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-80226`](https://youtrack.jetbrains.com/issue/KT-80226) [IR Inliner] Generate constructor accessors as constructors, not static functions |
| - [`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-80537`](https://youtrack.jetbrains.com/issue/KT-80537) The expected error is not emitted from FirJsKlibSyntheticAccessorsTestGenerated and NativeKlibSyntheticAccessorsTestGenerated |
| - [`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-72356`](https://youtrack.jetbrains.com/issue/KT-72356) K2 Native: IllegalStateException when annotation has the same source range as a constant in another file |
| - [`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-79371`](https://youtrack.jetbrains.com/issue/KT-79371) Fix handling of broken SAM conversion in PL with enabled Rich References |
| - [`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 |
| - [`KT-79739`](https://youtrack.jetbrains.com/issue/KT-79739) Static synthetic accessors inside generic classes access its type parameters |
| - [`KT-78100`](https://youtrack.jetbrains.com/issue/KT-78100) Track and annotate internal annotations with `@PublishedApi` to enable annotation visibility validation |
| - [`KT-80825`](https://youtrack.jetbrains.com/issue/KT-80825) Drop `IrSerializationSettings.reuseExistingSignaturesForSymbols` setting |
| - [`KT-79807`](https://youtrack.jetbrains.com/issue/KT-79807) Broken IR tree invariants in IrReplSnippet after FIR2IR |
| - [`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-78856`](https://youtrack.jetbrains.com/issue/KT-78856) Refactor LocalDeclarationsLowering to split it in smaller parts |
| - [`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-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-79020`](https://youtrack.jetbrains.com/issue/KT-79020) Suspend lambdas return type is shown as ??? in reflection |
| - [`KT-81967`](https://youtrack.jetbrains.com/issue/KT-81967) isSubtypeOf: ClassCastException: CapturedKType cannot be cast to class AbstractKType |
| - [`KT-76521`](https://youtrack.jetbrains.com/issue/KT-76521) Reflection: change KType representation to avoid dependency on K1 |
| - [`KT-81619`](https://youtrack.jetbrains.com/issue/KT-81619) Reflection: Function supertype of a FunctionN class has flexible type in new implementation |
| - [`KT-74529`](https://youtrack.jetbrains.com/issue/KT-74529) Context parameters support in reflection |
| - [`KT-80901`](https://youtrack.jetbrains.com/issue/KT-80901) Reflection: incorrect translation of raw types in the new implementation |
| - [`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-79206`](https://youtrack.jetbrains.com/issue/KT-79206) Reflection: suspend functional type classifier is null |
| |
| ### JavaScript |
| |
| #### New Features |
| |
| - [`KT-80401`](https://youtrack.jetbrains.com/issue/KT-80401) Kotlin/JS support for `default export` in generated JavaScript |
| - [`KT-79284`](https://youtrack.jetbrains.com/issue/KT-79284) Use BigInt64Array for LongArray |
| - [`KT-79222`](https://youtrack.jetbrains.com/issue/KT-79222) K/JS: Allow using Long in exported declarations |
| - [`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-79928`](https://youtrack.jetbrains.com/issue/KT-79928) Allow JsModule/JsNonModule/JsQualifier invocation on per-entity level |
| - [`KT-79514`](https://youtrack.jetbrains.com/issue/KT-79514) java.lang.IllegalStateException: IrClassSymbolImpl is unbound. Signature: kotlin.js/Promise|null[0] on running jsBrowserTest |
| - [`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-79359`](https://youtrack.jetbrains.com/issue/KT-79359) Kotlin/JS: Suspending function doesn’t return Unit on es2015 |
| - [`KT-79089`](https://youtrack.jetbrains.com/issue/KT-79089) KJS: Could not load reporter / Cannot find module 'mocha' when running jsNode tests |
| - [`KT-56281`](https://youtrack.jetbrains.com/issue/KT-56281) KJS: Can't export suspend functions |
| - [`KT-79926`](https://youtrack.jetbrains.com/issue/KT-79926) Wrong export of interfaces with companions with ES Modules |
| - [`KT-80168`](https://youtrack.jetbrains.com/issue/KT-80168) Allow `@JsStatic` inside interface companions |
| - [`KT-70222`](https://youtrack.jetbrains.com/issue/KT-70222) Remove legacy JS BE-related CLI flags |
| - [`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-81066`](https://youtrack.jetbrains.com/issue/KT-81066) Wasm, JS: Remove redundant logging in compiler output |
| - [`KT-72833`](https://youtrack.jetbrains.com/issue/KT-72833) KJS: Source maps have incorrect sources paths in `per-file` |
| - [`KT-74055`](https://youtrack.jetbrains.com/issue/KT-74055) KJS: `@JsPlainObject` adds JS code even if marked interface is not used |
| - [`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-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-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-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-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 |
| |
| #### New Features |
| |
| - [`KT-80761`](https://youtrack.jetbrains.com/issue/KT-80761) K2: [K/N] Should reported klib usage include inheritance |
| |
| #### 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-64237`](https://youtrack.jetbrains.com/issue/KT-64237) Klib metadata: migrate to using the common annotations instead of klib-specific extensions in the compiler |
| - [`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-80999`](https://youtrack.jetbrains.com/issue/KT-80999) Reuse existing `IrKotlinLibraryLayout` in `KotlinLibrary` for reading pre-processed functions |
| - [`KT-80290`](https://youtrack.jetbrains.com/issue/KT-80290) Remove `if` and TODO in `countInAsInlinedLambdaArgumentWithPermittedNonLocalReturns` |
| - [`KT-80298`](https://youtrack.jetbrains.com/issue/KT-80298) K/N: one-stage compilation is broken |
| - [`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-78866`](https://youtrack.jetbrains.com/issue/KT-78866) Show an error for implicit receiver shadowed by context parameter |
| - [`KT-81561`](https://youtrack.jetbrains.com/issue/KT-81561) Update nested type aliases KEEP to reflect local type aliases support |
| - [`KT-81015`](https://youtrack.jetbrains.com/issue/KT-81015) Stabilize nested type aliases |
| - [`KT-32619`](https://youtrack.jetbrains.com/issue/KT-32619) JS: return Promise when `continuation` is not provided |
| - [`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() |
| - [`KT-28850`](https://youtrack.jetbrains.com/issue/KT-28850) Prohibit protected visibility in final expected classes |
| |
| ### Libraries |
| |
| #### New Features |
| |
| - [`KT-81092`](https://youtrack.jetbrains.com/issue/KT-81092) Uuid: support generation of version 7 uuids with a given timestamp |
| - [`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 |
| |
| #### Performance Improvements |
| |
| - [`KT-72111`](https://youtrack.jetbrains.com/issue/KT-72111) Change Duration.parseOrNull logic to not throw exceptions internally |
| |
| #### Fixes |
| |
| - [`KT-82901`](https://youtrack.jetbrains.com/issue/KT-82901) `Long.MIN_VALUE.milliseconds` produces invalid denormalized Duration |
| - [`KT-81995`](https://youtrack.jetbrains.com/issue/KT-81995) K/N: CMP: Undefined symbol _kfun:kotlin.time.Duration.kotlin.time.Duration |
| - [`KT-56822`](https://youtrack.jetbrains.com/issue/KT-56822) Deprecate Number.toChar() with error deprecation level |
| - [`KT-81078`](https://youtrack.jetbrains.com/issue/KT-81078) Increase kotlin.io.createTempDir and createTempFile deprecation level to ERROR |
| - [`KT-74493`](https://youtrack.jetbrains.com/issue/KT-74493) Deprecate String.subSequence(start, end) with error and drop it in the future |
| - [`KT-79192`](https://youtrack.jetbrains.com/issue/KT-79192) Increase InputStream.readBytes(Int) deprecation level to HIDDEN |
| - [`KT-80778`](https://youtrack.jetbrains.com/issue/KT-80778) Stabilize kotlin.time.Clock and kotlin.time.Instant |
| - [`KT-81043`](https://youtrack.jetbrains.com/issue/KT-81043) String.toBigDecimalOrNull rejects strings accepted by String.toBigDecimal |
| - [`KT-81477`](https://youtrack.jetbrains.com/issue/KT-81477) Uuid.Companion.generateV* are missing SinceKotlin annotation |
| - [`KT-81478`](https://youtrack.jetbrains.com/issue/KT-81478) FileTreeWalkTest.withDirectoryFilter fails on Windows |
| - [`KT-74411`](https://youtrack.jetbrains.com/issue/KT-74411) Introduce Uuid.generateV4() and generateV7() |
| - [`KT-80530`](https://youtrack.jetbrains.com/issue/KT-80530) Annotate Kotlin/Native stdlib with must-use value/`@IgnorableReturnValue` when appropriate |
| - [`KT-79791`](https://youtrack.jetbrains.com/issue/KT-79791) Duration.parse incorrectly handles negative decimal seconds in ISO-8601 format |
| - [`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-80431`](https://youtrack.jetbrains.com/issue/KT-80431) Remove suppression of "ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT" from stdlib |
| - [`KT-80605`](https://youtrack.jetbrains.com/issue/KT-80605) Rename MustUseReturnValue -> MustUseReturnValues |
| - [`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-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-80620`](https://youtrack.jetbrains.com/issue/KT-80620) Bump minimal iOS and tvOS supported versions to 14.0 |
| - [`KT-80624`](https://youtrack.jetbrains.com/issue/KT-80624) Bump minimal watchOS supported versions to 7.0 |
| - [`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 |
| |
| ### 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-79752`](https://youtrack.jetbrains.com/issue/KT-79752) Native: make cinterop generate CCall.Direct annotations |
| - [`KT-79753`](https://youtrack.jetbrains.com/issue/KT-79753) Native: support CCall.Direct calls in the compiler |
| - [`KT-81312`](https://youtrack.jetbrains.com/issue/KT-81312) Native: when `-Xccall-mode direct` is used, mark unsupported declarations with unresolvable symbol name instead of `@Deprecated`(ERROR) |
| - [`KT-79571`](https://youtrack.jetbrains.com/issue/KT-79571) Xcode 26 beta 4: CInteropKT39120TestGenerated.testForwardEnum failed |
| - [`KT-80838`](https://youtrack.jetbrains.com/issue/KT-80838) Cinterop fails with an error when Compilation works fine |
| - [`KT-49034`](https://youtrack.jetbrains.com/issue/KT-49034) Kotlin/Native: `cnames.structs.Foo` resolves into wrong declaration |
| |
| ### Native. ObjC Export |
| |
| - [`KT-81906`](https://youtrack.jetbrains.com/issue/KT-81906) Normalize `CFBundleIdentifier` when producing Apple framework |
| - [`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 |
| |
| #### Fixes |
| |
| - [`KT-81355`](https://youtrack.jetbrains.com/issue/KT-81355) Swift Export: Introduce a flag to turn off coroutines export |
| - [`KT-80969`](https://youtrack.jetbrains.com/issue/KT-80969) Swift Export: Call `suspend` function as `async` on swift side |
| - [`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 |
| |
| #### New Features |
| |
| - [`KT-78194`](https://youtrack.jetbrains.com/issue/KT-78194) BTA: port the JVM prototype to the new design |
| - [`KT-79409`](https://youtrack.jetbrains.com/issue/KT-79409) BTA: Support removed compiler arguments properly |
| - [`KT-78193`](https://youtrack.jetbrains.com/issue/KT-78193) BTA: Implement core infrastructure according to the new design |
| - [`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 |
| |
| #### Fixes |
| |
| - [`KT-75357`](https://youtrack.jetbrains.com/issue/KT-75357) CompilationService.loadImplementation(loader) Expects a `ClassLoader`, but Fails if its not a `URLClassLoader` |
| - [`KT-73090`](https://youtrack.jetbrains.com/issue/KT-73090) Gradle 8.11 kotlin compilation fails when run with -Pkotlin.compiler.runViaBuildToolsApi=true |
| - [`KT-81321`](https://youtrack.jetbrains.com/issue/KT-81321) Deprecate old BTA prototype API |
| - [`KT-81602`](https://youtrack.jetbrains.com/issue/KT-81602) BTA: rename KotlinToolchains.jvm `@JvmName` for a more Java-friendly API |
| - [`KT-75356`](https://youtrack.jetbrains.com/issue/KT-75356) Failing to pass a `-d` argument causes Build Tools API to NPE |
| - [`KT-81130`](https://youtrack.jetbrains.com/issue/KT-81130) BTA: using KotlinVersion from stdlib in the API breaks when using isolated classloader |
| - [`KT-78195`](https://youtrack.jetbrains.com/issue/KT-78195) BTA: migrate the test infrastructure from the prototype to the new design |
| |
| ### Tools. CLI |
| |
| - [`KT-81077`](https://youtrack.jetbrains.com/issue/KT-81077) Add JVM target bytecode version 25 |
| - [`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-82563`](https://youtrack.jetbrains.com/issue/KT-82563) Improve compiler error messages to identify incompatible plugins causing compilation failures |
| - [`KT-55300`](https://youtrack.jetbrains.com/issue/KT-55300) Provide a mechanism to describe ordering and dependencies for compiler plugins |
| - [`KT-82099`](https://youtrack.jetbrains.com/issue/KT-82099) Compiler plugin ordering has no effect |
| - [`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-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 |
| |
| #### New Features |
| |
| - [`KT-81091`](https://youtrack.jetbrains.com/issue/KT-81091) [DataFrame] Receivers from FirExpressionResolutionExtension are not resolved in CodeFragment |
| |
| #### Fixes |
| |
| - [`KT-64339`](https://youtrack.jetbrains.com/issue/KT-64339) Symbol Light Classes: No Arg compiler plugin generates synthethic constructor which is not seen from light classes |
| - [`KT-80429`](https://youtrack.jetbrains.com/issue/KT-80429) Power Assert with "Run test using: IntelliJ": NoClassDefFoundError (org.jetbrains.kotlin.kotlinx.collections.immutable.ExtensionsKt) during compilation |
| - [`KT-79319`](https://youtrack.jetbrains.com/issue/KT-79319) Lombok: NullPointerException on `mvn compile` when importing Java constants |
| - [`KT-81348`](https://youtrack.jetbrains.com/issue/KT-81348) Incorrect bytecode mentioning error class/package is generated by kotlinx-serialization when private serializer in another module is not accessible |
| - [`KT-80944`](https://youtrack.jetbrains.com/issue/KT-80944) FirUserTypeRefImpl cannot be cast to class FirResolvedTypeRef in maven project |
| - [`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-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 |
| |
| #### New Features |
| |
| - [`KT-78199`](https://youtrack.jetbrains.com/issue/KT-78199) Gradle: Migrate JVM compilation in KGP to the new BTA |
| - [`KT-45161`](https://youtrack.jetbrains.com/issue/KT-45161) Gradle: Support registering generated sources with the Kotlin model |
| - [`KT-71602`](https://youtrack.jetbrains.com/issue/KT-71602) Introduce KotlinTopLevelExtension |
| |
| #### Fixes |
| |
| - [`KT-67290`](https://youtrack.jetbrains.com/issue/KT-67290) Deprecate usage of HasKotlinDependencies inside KotlinCompilation |
| - [`KT-80950`](https://youtrack.jetbrains.com/issue/KT-80950) KGP breaks configuration cache when signing plugin with GnuPG is applied |
| - [`KT-64211`](https://youtrack.jetbrains.com/issue/KT-64211) Provide support for the kotlin.internal.compiler.arguments.log.level property while running via build tools api |
| - [`KT-81719`](https://youtrack.jetbrains.com/issue/KT-81719) Do not register swift export related configurations when it's not required |
| - [`KT-78741`](https://youtrack.jetbrains.com/issue/KT-78741) Add FUS analytics for klib cross-compilation |
| - [`KT-75449`](https://youtrack.jetbrains.com/issue/KT-75449) Update deprecation of `KotlinJsTestFramework#createTestExecutionSpec` |
| - [`KT-64273`](https://youtrack.jetbrains.com/issue/KT-64273) Gradle: remove symbols deprecated after KT-54312 |
| - [`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-82068`](https://youtrack.jetbrains.com/issue/KT-82068) Workaround iOS Simulator start failure in IT |
| - [`KT-79482`](https://youtrack.jetbrains.com/issue/KT-79482) Report webMain / webTest usage in FUS metrics |
| - [`KT-81199`](https://youtrack.jetbrains.com/issue/KT-81199) Deprecate "org.jetbrains.kotlin.android" plugin |
| - [`KT-82244`](https://youtrack.jetbrains.com/issue/KT-82244) Conflicting warnings when using AGP 9.0.0-alpha with built-in Kotlin disabled |
| - [`KT-81161`](https://youtrack.jetbrains.com/issue/KT-81161) Gradle plugin api reference: compiler arguments types are not available |
| - [`KT-70251`](https://youtrack.jetbrains.com/issue/KT-70251) Gradle: hide compiler symbols in KGP |
| - [`KT-81837`](https://youtrack.jetbrains.com/issue/KT-81837) Run integration tests against AGP 8.13 |
| - [`KT-77457`](https://youtrack.jetbrains.com/issue/KT-77457) Compile against Gradle API 9.0 |
| - [`KT-79238`](https://youtrack.jetbrains.com/issue/KT-79238) Bump minimal supported AGP version to 8.2.2 |
| - [`KT-75869`](https://youtrack.jetbrains.com/issue/KT-75869) KGP JS - Update deprecated constructors |
| - [`KT-76720`](https://youtrack.jetbrains.com/issue/KT-76720) Raise deprecation level to error for Kotlin*Options properties |
| - [`KT-79047`](https://youtrack.jetbrains.com/issue/KT-79047) Gradle compileKotlin fails with configuration cache |
| - [`KT-81415`](https://youtrack.jetbrains.com/issue/KT-81415) BTA: Duplicate daemons when compiling JVM + JS in KGP |
| - [`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-80808`](https://youtrack.jetbrains.com/issue/KT-80808) Warning from kotlin-dsl with kotlin("jvm") on Gradle < 9.0 doesn’t suggest updating Gradle |
| - [`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-77458`](https://youtrack.jetbrains.com/issue/KT-77458) Run Gradle integration tests against Gradle 9.0 |
| - [`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-79339`](https://youtrack.jetbrains.com/issue/KT-79339) Remove additionalMetadata from compiler options DSL |
| - [`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-80687`](https://youtrack.jetbrains.com/issue/KT-80687) Add description to Gradle tasks [ABI Validation] |
| - [`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. Compiler plugins |
| |
| - [`KT-81827`](https://youtrack.jetbrains.com/issue/KT-81827) Add a switch for mapping file tasks in Compose Gradle plugin |
| |
| ### Tools. Gradle. JS |
| |
| #### Fixes |
| |
| - [`KT-79921`](https://youtrack.jetbrains.com/issue/KT-79921) Web Tooling Gradle API does not respect webpack reconfiguration |
| - [`KT-81009`](https://youtrack.jetbrains.com/issue/KT-81009) K/JS, Wasm: Promote deprecation of NPM and Yarn package manager internal functions |
| - [`KT-76019`](https://youtrack.jetbrains.com/issue/KT-76019) Wasm/JS: Promote phantom-js for Karma deprecation to ERROR |
| - [`KT-81005`](https://youtrack.jetbrains.com/issue/KT-81005) K/JS, Wasm: Promote deprecation of ExperimentalWasmDsl to Error |
| - [`KT-81010`](https://youtrack.jetbrains.com/issue/KT-81010) K/JS, Wasm: Promote deprecation of internal JS functions to Error |
| - [`KT-81008`](https://youtrack.jetbrains.com/issue/KT-81008) K/JS, Wasm: Promote deprecation of ExperimentalDceDsl to Error |
| - [`KT-81007`](https://youtrack.jetbrains.com/issue/KT-81007) K/JS, Wasm: Promote deprecation of public constructors of JS declarations to Error |
| - [`KT-81006`](https://youtrack.jetbrains.com/issue/KT-81006) K/JS, Wasm: Promote wasm declarations in "js" package deprecation to Error |
| - [`KT-81004`](https://youtrack.jetbrains.com/issue/KT-81004) K/JS, Wasm: promote deprecation NodeJsExec.create to Error |
| - [`KT-75621`](https://youtrack.jetbrains.com/issue/KT-75621) KJS / Gradle: Disable npm in --offline mode |
| - [`KT-79910`](https://youtrack.jetbrains.com/issue/KT-79910) Wasm, JS: Upgrade NPM versions |
| - [`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-61127`](https://youtrack.jetbrains.com/issue/KT-61127) Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import |
| - [`KT-81980`](https://youtrack.jetbrains.com/issue/KT-81980) KGP warning gives incorrect suggestion for AGP application compatibility |
| - [`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-81060`](https://youtrack.jetbrains.com/issue/KT-81060) KMP stores common compilation dependency resolution in Configuration cache leading to error when deserializing (Android only) |
| - [`KT-80720`](https://youtrack.jetbrains.com/issue/KT-80720) Gradle import of multiplatform project fails: "Failed to invoke getAssociateWith on KotlinJvmCompilation_Decorated" |
| - [`KT-81200`](https://youtrack.jetbrains.com/issue/KT-81200) Deprecate 'androidTarget' |
| - [`KT-74005`](https://youtrack.jetbrains.com/issue/KT-74005) Implement a prototype of Unified Klib support in Kotlin Gradle Plugin |
| - [`KT-77367`](https://youtrack.jetbrains.com/issue/KT-77367) [uklib] Project dependency to kotlin-jvm module leads to failure in transform during IDE import |
| - [`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-81434`](https://youtrack.jetbrains.com/issue/KT-81434) [uklib] androidCompileClasspath resolves java compatibility variant instead of android for uklib library |
| - [`KT-81469`](https://youtrack.jetbrains.com/issue/KT-81469) [uklib] kmpPublicationStrategy affects resolution during import for androidTarget |
| - [`KT-81249`](https://youtrack.jetbrains.com/issue/KT-81249) Kotlin 2.2.20 broke KMP implementation of Parcelize |
| - [`KT-77066`](https://youtrack.jetbrains.com/issue/KT-77066) Promote kotlinArtifacts deprecation to an error |
| - [`KT-74955`](https://youtrack.jetbrains.com/issue/KT-74955) Remove resources resolution strategy completely |
| - [`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-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-77732`](https://youtrack.jetbrains.com/issue/KT-77732) `commonizeCInterop` failed with "Unresolved classifier: platform/posix/size_t" |
| - [`KT-81510`](https://youtrack.jetbrains.com/issue/KT-81510) `commonizeCInterop` exception with 'kotlinNativeBundleConfiguration' not found |
| - [`KT-81134`](https://youtrack.jetbrains.com/issue/KT-81134) Native: Gradle configuration failure likely related to Klibs cross-compilation |
| - [`KT-77486`](https://youtrack.jetbrains.com/issue/KT-77486) Remove bitcode DSL |
| - [`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-81465`](https://youtrack.jetbrains.com/issue/KT-81465) Swift Export package is build with wrong target |
| - [`KT-81460`](https://youtrack.jetbrains.com/issue/KT-81460) [KGP] Crash in SwiftExportRunner due to older stdlib |
| - [`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-55982`](https://youtrack.jetbrains.com/issue/KT-55982) K2: Consider global lookups from plugins in incremental compilation |
| - [`KT-79504`](https://youtrack.jetbrains.com/issue/KT-79504) Implement an API to provide IC lookups from backend plugins |
| - [`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-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 |
| - [`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-71786`](https://youtrack.jetbrains.com/issue/KT-71786) K2Kapt: Stubs generation does not fail on files with declaration errors |
| - [`KT-80843`](https://youtrack.jetbrains.com/issue/KT-80843) K2: KAPT: Crash on any data class with duplicate properties: "Sequence contains more than one matching element" |
| - [`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-79641`](https://youtrack.jetbrains.com/issue/KT-79641) Kapt: too much information is printed in verbose mode |
| |
| ### Tools. Maven |
| |
| - [`KT-82180`](https://youtrack.jetbrains.com/issue/KT-82180) kotlin-maven-plugin: IC succeeds after dependent source deletion |
| - [`KT-78201`](https://youtrack.jetbrains.com/issue/KT-78201) Maven: migrate JVM compilation to the new BTA |
| - [`KT-81414`](https://youtrack.jetbrains.com/issue/KT-81414) 2.2.20 regression: OOM (Compressed class space) when in-process |
| - [`KT-81435`](https://youtrack.jetbrains.com/issue/KT-81435) Maven: Improve BTA classloader reusage |
| - [`KT-81681`](https://youtrack.jetbrains.com/issue/KT-81681) Maven: "NoClassDefFoundError" on a second test run |
| - [`KT-81218`](https://youtrack.jetbrains.com/issue/KT-81218) Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon |
| |
| ### 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. REPL |
| |
| - [`KT-80062`](https://youtrack.jetbrains.com/issue/KT-80062) ReplSnippetLowering sometimes produces IrConstructorCall with too many arguments |
| |
| ### Tools. Scripts |
| |
| - [`KT-80071`](https://youtrack.jetbrains.com/issue/KT-80071) Kotlin script mode produces invalid IR: "value that is not available in the current scope" |
| |
| ### 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-82365`](https://youtrack.jetbrains.com/issue/KT-82365) K/Wasm: NodeRun tasks in Wasi depend on kotlinWasmToolingSetup |
| - [`KT-81313`](https://youtrack.jetbrains.com/issue/KT-81313) K/Wasm: update Node.js to 24.x |
| - [`KT-81315`](https://youtrack.jetbrains.com/issue/KT-81315) K/Wasm: update Node.js to 25.x |
| - [`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 |
| |
| ## Previous ChangeLogs: |
| ### [ChangeLog-2.2.X](docs/changelogs/ChangeLog-2.2.X.md) |
| ### [ChangeLog-2.1.X](docs/changelogs/ChangeLog-2.1.X.md) |
| ### [ChangeLog-2.0.X](docs/changelogs/ChangeLog-2.0.X.md) |
| ### [ChangeLog-1.9.X](docs/changelogs/ChangeLog-1.9.X.md) |
| ### [ChangeLog-1.8.X](docs/changelogs/ChangeLog-1.8.X.md) |
| ### [ChangeLog-1.7.X](docs/changelogs/ChangeLog-1.7.X.md) |
| ### [ChangeLog-1.6.X](docs/changelogs/ChangeLog-1.6.X.md) |
| ### [ChangeLog-1.5.X](docs/changelogs/ChangeLog-1.5.X.md) |
| ### [ChangeLog-1.4.X](docs/changelogs/ChangeLog-1.4.X.md) |
| ### [ChangeLog-1.3.X](docs/changelogs/ChangeLog-1.3.X.md) |
| ### [ChangeLog-1.2.X](docs/changelogs/ChangeLog-1.2.X.md) |
| ### [ChangeLog-1.1.X](docs/changelogs/ChangeLog-1.1.X.md) |
| ### [ChangeLog-1.0.X](docs/changelogs/ChangeLog-1.0.X.md) |
