Kotlin 1.9.23

1.9.23

Apple Ecosystem

• KT-65542 Cinterop tasks fails if Xcode 15.3 is used

Backend. Wasm

• KT-64486 Kotlin/Wasm/WASI exported function callback for coroutines support

Compiler

• KT-53478 Could not load module
• KT-66044 JDK's new API is used over Kotlin's SDK functions
• KT-64640 Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections
• KT-65441 K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfaces
• KT-65634 K/N: data race during monolithic cache creation
• KT-53109 CompilationErrorException generateUnboundSymbolsAsDependencies with builder inference and lambdas
• KT-52757 Type inference for builders fails if inferred from a function

Tools. Gradle

• KT-65792 Add JSON build report
• KT-65091 Update compiler metrics in build reports
• KT-62490 KGP dropping resource directories

Tools. Gradle. JS

• KT-64119 K/JS: Migrate package manager from Yarn onto NPM
• KT-64561 K/JS tests are not executed after upgrade to 1.9.22

Tools. Gradle. Multiplatform

• KT-65954 commonTest dependencies affect commoMainMetadata compilation

Tools. Gradle. Native

• KT-64573 Default value for produceUnpackedKlib was not provided

Kotlin 2.0.0-Beta4

Changelog

Analysis. API

Performance Improvements

• KT-64987 Analysis API: 50GB memory allocation on creating empty kotlinx.collections.immutable.persistentMapOf

Fixes

• KT-65268 K2: Checking the presence of the delegated constructor call forces AST loading
• KT-63330 Analysis API: Stub-based deserialized symbol providers provide unresolved enum entry annotation arguments
• KT-65418 Analysis API: LLFirAbstractSessionFactory loads anchor module sessions eagerly
• KT-64718 Analysis API: do not expose SealedClassInheritorsProvider and FirRegularClass to IDE Plugin
• KT-65075 K2: getContainingDeclaration() is broken for declarations inside code fragments
• KT-61332 Support KtTypeCodeFragment in PsiRawFirBuilder
• KT-65150 AA: incorrect result from KtTypeProvider#getReceiverTypeForDoubleColonExpression for Java static method
• KT-55750 LL FIR: Implement multi-threaded resolve
• KT-56551 LL FIR: implement parallel resolve for jumping phases
• KT-65223 Psi: avoid KtFile usages
• KT-65307 Analysis API FE10: support KtFe10AnalysisSessionProvider.getAnalysisSessionByUseSiteKtModule
• KT-62695 K2 IDE: Unresolved extension functions in KDoc
• KT-65152 Analysis API: KDoc references to packages are not fully resolved
• KT-64988 K2 IDE: Navigation from the named argument in safe call does not work
• KT-64074 K2: Investigate LL divergence for Script.testTopLevelPropertyInitialization
• KT-64921 K2 IDE: references in platform code resolve to expect classifier instead of actual
• KT-62441 K2: IDE K2: "No dangling modifier found"
• KT-64528 K2 IDE: MPP: unregistered component 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'
• KT-64993 Analysis API: KtExpressionTypeProvider.getExpectedType works incorrectly for arguments of safe calls
• KT-64883 Allow direct creation of KtCommonFile
• KT-64646 K2: properly forbid ast loading during raw fir phase in tests
• KT-64862 Psi: missed parenthesis in type reference presentation
• KT-62893 K2 IDE. FP 'when' expression must be exhaustive with Java sealed interface from library
• KT-63795 K2: lazyResolveToPhase(BODY_RESOLVE) cannot be called from a transformer with a phase BODY_RESOLVE from SealedClassInheritorsProviderIdeImpl

Analysis. Light Classes

• KT-65425 K2 IDE: Seeing a reference to the class generated by compiler plugin exposed from Java code caused NPE from light classes
• KT-64937 SLC: internal setters are not mangled

Apple Ecosystem

• KT-63212 podInstall task fails without a proper diagnostic when xcodeproj gem is outdated

Backend. Wasm

• KT-63939 Kotlin/Wasm Support lazy associated object initialisation
• KT-64803 K/Wasm: non-capturing lambdas are not singleton unlike same lambdas in jvm
• KT-64449 K2: Implement K1WasmWasiCodegenBoxTestGenerated for K2
• KT-64829 K/Wasm: division remainder has a wrong sign
• KT-65009 Generate TypeScript definitions for the @JsExport declarations in K/Wasm

Compiler

New Features

• KT-63670 Implement platform specific declaration clash diagnostics across all backends
• KT-62547 Introduce a language feature flag for smartcasts based on "memory" variables

Fixes

• KT-63344 K2: False positive ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED
• KT-58845 K2: SAM checker can run incorrectly in presence of an expect supertype
• KT-61843 K2: Missing TYPE_MISMATCH for nested array literals
• KT-61798 K2 incorrectly calculates modality of property accessors
• KT-65255 K2 / KJS: "IllegalArgumentException: Candidate is not successful, but system has no contradiction"
• KT-65341 K2: "Cannot find cached type parameter by FIR symbol" caused by not-null assertion operator inside string in throw
• KT-49283 Support contribution type info from a nested builder inference call
• KT-64077 K2: Builder inference ignores constraints from nested builder inference
• KT-49160 Couldn't infer a type argument through several builder inference calls broken by a local class
• KT-61310 K2: "Not enough information to infer type variable R" for transformLatest
• KT-63733 Builder-style type inference can't resolve to extension overloads when they're more applicable than member ones
• KT-57707 K1: inconsistent TYPE_MISMATCH in builder inference
• KT-55057 Builder inference changes behaviour sporadically based on BI annotation on unrelated call
• KT-60663 Builder inference does not work inside a nested unrelated builder inference lambda
• KT-53639 TYPE_MISMATCH: compiler can't infer the list's type when using buildList {} builder or Collection#isNotEmpty
• KT-60291 K2: "IllegalStateException: Cannot serialize error type: ERROR CLASS: Cannot infer argument for type parameter T" during FIR serialization
• KT-65033 K2: Fir2LazyIr: Lazy type aliases not supported
• KT-57709 Inconsistent extension function call resolution in builder inference
• KT-53740 Builder inference with multiple lambdas leads to unsound type
• KT-60877 Builder inference from the null literal results in Nothing instead of Nothing? for producing positions of the postponed type variable
• KT-53553 Builder inference: inconsistent types in different lambda scopes
• KT-54400 K2: builder inference does not work with assignments of literals to member properties
• KT-53109 CompilationErrorException generateUnboundSymbolsAsDependencies with builder inference and lambdas
• KT-52757 Type inference for builders fails if inferred from a function
• KT-63840 Builder inference fails on calls to identity-shaped functions with postponed type variables inside select-constructions
• KT-64276 [K/N][K2] K2 behaviorial difference with inconsistent inheritance of ObjCName
• KT-59782 K2: Forbid local delegated properties with private accessors in public inline functions
• KT-65482 K2: NoSuchFieldError due to using unboxed type
• KT-63208 K2: Implement deprecation cycle and fix missing errors for error-level nullable arguments of warning-level Java types
• KT-64891 K2: consider supporting/forbidding foo.(bar)() syntax
• KT-62134 K2: handle non-simple types during FirStatusResolver.isPrivateToThis check
• KT-65290 K2: No override for FUN DEFAULT_PROPERTY_ACCESSOR
• KT-65111 K2: Java star imports don't work in KJK interdependencies
• KT-59012 K2: Support inferring types based on self upper bounds
• KT-65373 K2: there is a crash in KJK hierarchy with an extension member pro...

Kotlin 2.0.0-Beta3

Changelog

Analysis. API

Fixes

• KT-62895 K2 IDE. FP 'when' expression must be exhaustive with sealed interface from library
• KT-64805 Analysis API: introduce common entry point for multi-file test cases
• KT-64714 K2: Analysis API: CollectionsKt.map doesn't resolves from Java in kotlin repo
• KT-64647 K2: Allow to calculate decompiled inheritors for sealed classes in tests
• KT-64595 AA: stackoverflow while simplifying a type with a recursive type parameter
• KT-64825 Analysis API. Cannot compute containing PSI for unknown source kind 'org.jetbrains.kotlin.KtFakeSourceElementKind$DefaultAccessor' exception on getContainingSymbol call for default setter parameter
• KT-64080 K2: Analysis API: On-air resolve does not trigger resolution of delegated super call arguments
• KT-64243 K2: proper lazy resolution for fake overrides
• KT-62891 K2 IDE. FP [EXPOSED_FUNCTION_RETURN_TYPE] on overriding library method which returns protected type
• KT-61890 Analysis API: Migrate KtFirScopeProvider to ContextCollector instead of onAirResolve
• KT-64197 K2: Code fragments are only supported in JVM
• KT-64604 K2: IDE K2: "Modules are inconsistent during performance tests"
• KT-62357 K2 IDE. False positive on generated component methods and false negative on getter of @JvmRecord classes in Java
• KT-62892 K2 IDE. Java outer class from other module is not resolved when nested class is accessed with fq name in a type position
• KT-62888 K2 IDE. IDE infers reference to KMutableProperty as reference to just KProperty
• KT-64584 K2: StubBasedFirDeserializedSymbolProvider: support deserialization of delegated declarations
• KT-60324 K2 IDE: "NoSuchElementException: List is empty at JavaOverrideChecker#buildErasure"
• KT-62896 K2 IDE. FP ABSTRACT_MEMBER_NOT_IMPLEMENTED on inheriting class from library which implements interface by delegation
• KT-62947 Analysis API: Error while resolving FirPropertyImpl
• KT-64468 Analysis API: Implement mixed multi-module tests which support different kinds of KtModules
• KT-63547 K2 IDE. False Positive AMBIGUOUS_ANNOTATION_ARGUMENT
• KT-62832 K2: ClassCastException: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus
• KT-64205 Analysis API: Do not import non-top-level callables by default
• KT-63056 K2: Cannot mutate an immutable ImplicitReceiverValue on FirCodeFragment analysis
• KT-64108 K2: KtFirSymbolDeclarationOverridesProvider shouldn't provide fake overrides
• KT-63752 K2: java.lang.StackOverflowError FirFieldSymbol.getHasInitializer
• KT-63718 Analysis API: Stub-based dependency symbol providers of library source sessions compute the wrong package name sets
• KT-64186 Analysis API: ContextCollector provides incorrect scopes for anonymous objects
• KT-63979 K2 IDE: presentation of types in completion is too verbose
• KT-63681 K2: LL FIR: Improve isResolved check coverage of after lazy resolution

Analysis. Light Classes

• KT-63087 K2 IDE: in .java source reference to JvmName names on unsigned type / value class are unresolved
• KT-64605 K2 IDE: usage of @Repeatable annotation in Java: false positive "Duplicate annotation"
• KT-64795 SLC: distinguish last v.s. non-last vararg value parameter type during binary resolution
• KT-61605 K2 IDE: Light elements do not obey platform contracts
• KT-57536 SLC: no need to populate members with expect modifier
• KT-63949 K2 IDE. Analyze hang on @Autowired constructor analysis
• KT-64320 Decouple kotlin psi from java PSI
• KT-64282 Decouple KotlinIconProviderService from java PSI

Apple Ecosystem

• KT-63821 Copy framework to BUILT_PRODUCTS_DIR in the embedAndSign task

Backend. Wasm

• KT-58852 WASM: two methods with different varargs: Class korlibs.template.dynamic.DynamicShape has 2 methods with the same signature [register(kotlin.Array)

Compiler

New Features

• KT-4113 Smart casts for properties to not-null functional types at invoke calls

Fixes

• KT-64261 K2 / WASM: Extension function with star projection throws "RuntimeError: unreachable"
• KT-64877 K2: PCLA doesn't allow infer types from value parameter having TV type
• KT-63932 K2/Native codegen test failures around builder inference
• KT-64222 K2: "return type is not a subtype of the return type of the overridden member"
• KT-57094 K1: wrong type inferred for an instance of a local class inside a generic property
• KT-62069 K2: ASSIGNMENT_TYPE_MISMATCH is reported in addition to NO_ELSE_IN_WHEN
• KT-62776 FirLazyResolveContractViolationException: "lazyResolveToPhase(STATUS) cannot be called from a transformer with a phase TYPES" on Java annotation usage
• KT-60056 K2: Introduced UNRESOLVED_REFERENCE
• KT-59791 K2: Implement partially constrained lambda analysis
• KT-42020 Psi2ir: IllegalStateException: "IrSimpleFunctionPublicSymbolImpl for public [...] is already bound" on generic function whose substitution leads to IdSignature clash
• KT-64771 Investigate subtle FIR_DUMP difference for reversed order analysis
• KT-62584 K2: different signature in subclass of local class declared in extension value getter
• KT-64615 Inconsistent error messages for platform type nullability assertions
• KT-59938 K2: Disappeared AMBIGUOUS_ACTUALS
• KT-64501 K2: False-positive WRONG_INVOCATION_KIND when using default arguments
• KT-64640 Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections
• KT-63644 K2: Create special IR symbols for fake-overrides in fir2ir in mode with IR f/o generator
• KT-62476 K2: Enable building fake overrides by ir on non-JVM targets
• KT-63638 K2: Compiler crashes with "Inline class types should have the same representation"
• KT-36220 NI: false positive NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE if one use cannot resolve
• KT-64121 K2: Actual modifier is missed on override fun toString() fro value class in native
• KT-63703 K2: Eliminate call to Candidate.usesSAM and samResolver.getFunctionTypeForPossibleSamType in AbstractConeCallConflictResolver.toTypeWithConversion
• KT-64435 K2: FIR2IR: Source offsets for data class members are inconsistent with PSI2IR
• KT-64090 K2: false-positive new inference error on invoking from another module a generic function on Java list type with wildcard type argument bounded by raw-typed Java inner class
• KT-64044 K2: Java mapped method should have a source from Java method, not from mapped Kotlin source class
• KT-46674 ClassCastException with smartcast if plus opera...

Kotlin 1.9.22

Changelog

JavaScript

• KT-63719 KJS: Test results ignored for ES module kind
• KT-63808 compileTestDevelopmentExecutableKotlinJs failed in JsIntrinsicTransformers

Native

• KT-64139 Weird bug with while and coroutine in Kotlin Native
• KT-63471 linkDebugTestIosX64 Failed to build cache: NoSuchFileException bitcode_deps
• KT-63789 Native: Incremental compilation problem with compose

Tools. CLI

• KT-64485 CLI: cache and optimize parsing of command-line arguments

Tools. Gradle

• KT-63990 "Cannot query the value of property 'buildFlowServiceProperty' because it has no value available" with Isolated Projects

Tools. Gradle. Native

• KT-63363 Kotlin Gradle Plugin: KotlinNativeHostSpecificMetadataArtifact breaks configuration cache, implicitly includes output file as configuration cache input
• KT-63742 Gradle wrongly caches Kotlin/Native compiler flags

Tools. JPS

• KT-64305 Kotlin JPS builder requests chunk rebuild with graph implementation
• KT-64112 Avoid using IJ's JPS mappings in Kotlin JPS tests
• KT-63799 Make plugin classpath serialization path agnostic

Checksums

File	Sha256
kotlin-compiler-1.9.22.zip	88b39213506532c816ff56348c07bbeefe0c8d18943bffbad11063cf97cac3e6
kotlin-native-linux-x86_64-1.9.22.tar.gz	c2b0a6481ced5401db4a7028661c039b7466996efaa554bbcc6a3d421ac5e7d4
kotlin-native-macos-x86_64-1.9.22.tar.gz	4646c9bc289d48a228064f565f3a968dde3dcccd7821f403717c708f6ffa8285
kotlin-native-macos-aarch64-1.9.22.tar.gz	8a95c0e0eb46b41b6d02a1942dc7dfe8c70082a2a26679490a77cd486f0ec8dd
kotlin-native-windows-x86_64-1.9.22.zip	a9d7bcf38a41a84002ba7a733b08e97b554225a39656d5158fc31dc6d0acede4

Kotlin 2.0.0-Beta2

Changelog

Analysis. API

Fixes

• KT-62982 K2: Cannot get a PSI element for 'Enum.values'
• KT-59732 FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from serialisation plugin
• KT-61757 K2 IDE: resolution to buitlins does not work for from common module
• KT-62676 K2 IDE: Reference shortener does not recoginize redundant this references
• KT-63627 K2 IDE: shorten reference shortens required qualifier
• KT-62675 K2 IDE: Reference shortener does not recoginize redundant labels
• KT-63771 fe10: KtNamedClassOrObjectSymbol#isInline does not cover value classes
• KT-62947 Analysis API: Error while resolving FirPropertyImpl
• KT-60327 K2 IDE. "IllegalArgumentException: source must not be null" during delegation declaration
• KT-63700 K2: "FirLazyExpression should be calculated before accessing" in the case of secondary constructor
• KT-62111 K2 IDE. IllegalArgumentException on for loop with iterator declaration attempt
• KT-63538 Analysis API: Removing a contract statement via PsiElement.delete() does not trigger an out-of-block modification
• KT-63694 K1/K2 IDE. "RuntimeException: Broken stub format, most likely version of kotlin.FILE (kotlin.FILE) was not updated after serialization changes" exception on incorrect class name
• KT-63560 Analysis API: Modifiable PSI tests cannot rely on the cached application environment to allow write access
• KT-62980 Implement KtFirSimpleNameReference#getImportAlias
• KT-63130 Analysis API: No receiver found for broken code during commit document
• KT-60170 K2 IDE: CCE from KtFirCallResolver on invalid code with wrong implicit invoke
• KT-61783 K2: Analyze 'KtCodeFragment' in a separate session
• KT-62010 K2: IDE K2: "ConeClassLikeTypeImpl is not resolved to symbol for on-error type"
• KT-62957 Analysis API: NullPointerException on call resolution when builtins are not available
• KT-62899 K2 IDE. IDE ignores @Suppress annotation for errors
• KT-62935 Analysis API: kotlin.Cloneable should not be available in Kotlin/Native sources
• KT-62910 Analysis API: create AbstractFirPsiNativeDiagnosticsTest for LL FIR
• KT-63096 K2: Analysis API: KotlinAnnotationsResolver for IDE is created with incorrect scope
• KT-63282 K2 Script: annotation arguments phase should resolve propagated annotations
• KT-63223 Analysis API: reference to declarations with kotlin* package are not resolved
• KT-63195 AA: incorrect results from KtTypeProvider#getReceiverTypeForDoubleColonExpression

Analysis. Light Classes

• KT-63552 Symbol Light Classes don't support arrayOf and similar without parameters in property initializers and default parameter values
• KT-63486 SLC: a lot of RAM is allocated in org.jetbrains.kotlin.asJava.LightClassUtil.isMangled

Backend. Wasm

• KT-62863 Execution failed for task ':kotlinx-serialization-properties:wasmJsD8Test' in serialization in the K2 QG

Compiler

New Features

• KT-22004 Allow to resolve CONFLICTING_OVERLOADS with Deprecated(HIDDEN)
• KT-61955 Support more wider actual member visibility, if the expect member is effectively final

Fixes

• KT-63695 JVM: Don't use plugin extensions when compiling code fragment
• KT-59903 K2: Disappeared DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE
• KT-62961 K2 / KMP: NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS with expect enum class and typealias
• KT-59369 K2: Missing BUILDER_INFERENCE_STUB_RECEIVER
• KT-53749 Support builder inference restriction in FIR
• KT-59390 K2: Missing BUILDER_INFERENCE_MULTI_LAMBDA_RESTRICTION
• KT-59887 K2: Disappeared ACTUAL_MISSING
• KT-62885 Introduce a language feature entry for expect actual classes for easier configuration of MPP projects
• KT-62589 K2: Investigate need of non-nullable IdSignature in Fir2IrLazyDeclarations
• KT-63329 K2: difference in SAM-conversion casts generation
• KT-64062 K2 IDE. NPE on typing nullable parameter in return
• KT-63761 K2: False positive "Unresolved reference" caused by object's parameter in enum class which is passed as annotation parameter
• KT-55252 Backend Internal error during psi2ir in native compile tasks (NPE in getKlibModuleOrigin)
• KT-50453 Improve builder inference diagnostics with type mismatch due to chosen inapplicable overload
• KT-56949 K2: Builder inference violates upper bound
• KT-64028 K2: Investigate questionable condition in FirBuilderInfernceSession
• KT-60031 K2: Introduced NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS
• KT-63646 K2: "IllegalStateException: Return type of provideDelegate is expected to be one of the type variables of a candidate, but D was found"
• KT-59881 K2: Disappeared UNSUPPORTED
• KT-64136 K2: NSME with Anvil compiler plugin
• KT-63448 K2: CONFLICTING_INHERITED_JVM_DECLARATIONS with @JvmField
• KT-63865 K2: "IllegalArgumentException: Failed requirement." caused by lambda parameters with different type in init block
• KT-62609 K2. Type argument inference changed for object of Java class with several common parents
• KT-63081 Optimize new native caches: CachedLibraries.computeVersionedCacheDirectory()
• KT-63580 "AssertionError: access of const val: GET_FIELD" caused by const value and variable with delegation
• KT-63567 "NoSuchMethodError" on getting value of lazily initialized property by companion's const value
• KT-63540 Restrict the CONFLICTING_OVERLOADS + DeprecatedLevel.HIDDEN ignore to final callables
• KT-30369 Smartcasts from safe call + null check don't work if explicit true/false check is used
• KT-30376 Smartcasts don't propagate to the original variable when use not-null assertion or cast expression
• KT-30868 Unsound smartcast if smartcast source and break is placed inside square brackets (indexing expression)
• KT-31053 Nothing? type check isn't equivalent to null check is some places
• KT-29935 Smartcasts don't work if explicit annotated true/false check is used
• KT-30903 Smartcast to null doesn't affect computing of exhaustiveness
• KT-62847 K2: Introduce FIR node for SAM conversion
• KT-63564 K/Wasm: CompilationException with 2.0.0-Beta1
• KT-63345 K2: FIR2IR chooses an incorrect type for smartcast in case of SAM conversion
• KT-63848 ReflectiveAccessLowering does not count arguments of super-calls
• KT-61920 K2: False negative CONST_VAL_WITH_NON_CONST_INITIALIZER when initializer is Java ...

Kotlin 1.9.21

Changelog

Compiler

• KT-62885 Introduce a language feature entry for expect actual classes for easier configuration of MPP projects
• KT-63081 Optimize new native caches: CachedLibraries.computeVersionedCacheDirectory()

Docs & Examples

• KT-55619 Document String.format function

IDE. Gradle Integration

• KT-62877 Artifact files collecting for project configuration was finished. Resolution for configuration configuration X will be skipped

IDE. Gradle. Script

• KT-60813 Scripts: NoSuchMethodError: 'void org.slf4j.Logger.error(java.lang.String, java.lang.Object)' when dependency uses Slf4j API

JavaScript

• KT-60785 KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type error
• KT-63207 KMP / JS: "TypeError: <mangled_name> is not a function" with 1.9.20
• KT-62778 package.json "main" field has .js extension when the result files have .mjs extension
• KT-61795 KJS: Incremental Cache is not invalidated if useEsClasses compiler argument was changed
• KT-61957 KJS: "Uncaught ReferenceError: entries is not defined" caused by enum class with @JsExport and Enum.entries call
• KT-62444 KJS with commonJS modules should re-export in 1.9.20
• KT-63184 KJS / Serialization: JsExport on serializable interface creates erroneous TypeScript
• KT-62190 KJS: "IllegalStateException: Expect to have either super call or partial linkage stub inside constructor" caused by Compose and useEsModules()
• KT-58685 KJS: "IllegalStateException: Not locked" cused by "unlock" called twice

Klibs

• KT-62515 Interop klib of concurrent version is not accepted when building dependent project: "The library versions don't match"

Tools. CLI

• KT-63139 Incorrect kotlin implementation version (1.9.255-SNAPSHOT) in metadata info

Tools. Gradle

• KT-63499 Gradle: Source sets conventions are still registered

Tools. Gradle. JS

• KT-59523 MPP / KJS: ESM modules uses incorrect file extension on package.json (.mjs)

Tools. Gradle. Kapt

• KT-63366 Kapt processing fails with custom source sets

Tools. Gradle. Multiplatform

• KT-32608 Create JUnit-XML result file in multiplatform gradle build
• KT-63315 Wasm gradle plugin DSL is invalid for parameterless wasmWasi method
• KT-63338 [KMP] metadata task fails to find cinterop classes from dependency projects
• KT-63044 KGP: Multiplatform - 8.4 configuration cache support
• KT-63011 Apple Framework Artifacts is not connected to KotlinNativeTask
• KT-62601 AS/IntelliJ exception after updating a KMP project with a macos target to Kotlin 1.9.20-RC

Tools. Incremental Compile

• KT-61590 K2/KMP: Expect actual matching is breaking on the incremental compilation

Tools. JPS

• KT-63594 ClassCastException in JPS statistics
• KT-63651 Fix NPE in Kotlin JPS after enabling graph implementation of JPS

Tools. Kapt

• KT-57389 KAPT3 uses a Javac API for JCImport which will break in JDK 21
• KT-60507 Kapt: "IllegalAccessError: superclass access check failed" using java 21 toolchain

Tools. Scripts

• KT-54819 Scripts: Not able to use slf4j in .main.kts
• KT-61727 Scripts: Maven artifacts resolution is slow

Checksums

File	Sha256
kotlin-compiler-1.9.21.zip	cf17e0272bc065d49e64a86953b73af06065370629f090d5b7c2fe353ccf9c1a
kotlin-native-linux-x86_64-1.9.21.tar.gz	965564bb599a95283307be31947386b61f0de79514e894b1f20f4fe728eee7cc
kotlin-native-macos-x86_64-1.9.21.tar.gz	8f47cf1871bf0dfcacfc04e68ee71f2333a8a711ca25fd7a29e852eafe8da76e
kotlin-native-macos-aarch64-1.9.21.tar.gz	b3c45aa0a5aa08419bd79b06cb5bdeed32b30141a6a976b67ca91bb0959e28b7
kotlin-native-windows-x86_64-1.9.21.zip	e917e67d5dfeb4683a413b932f080adef08ba48d8ede61fbb040f9c3481f7b3a

Kotlin 2.0.0-Beta1

Changelog

Analysis. API

Performance Improvements

• KT-61789 K2: optimize getFirForNonKtFileElement for references inside super type reference
• KT-59498 K2: getOnAirGetTowerContextProvider took too much time due to on air resolve
• KT-61728 Analysis API: optimize AllCandidatesResolver.getAllCandidates

Fixes

• KT-61252 K2: IDE K2: "By now the annotations argument mapping should have been resolved"
• KT-62310 K2 IDE. False positives errors with external annotations
• KT-62397 K2 IDE. FP Error in the editor on RequiresOptIn annotation from the lib despite the warning level
• KT-62705 K2: "lazyResolveToPhase(IMPORTS) cannot be called..." from light classes
• KT-62626 IllegalStateException: Cannot build symbol for class org.jetbrains.kotlin.psi.KtScriptInitializer
• KT-62693 K2: IDE K2: "PSI should present for declaration built by Kotlin code"
• KT-62674 K2: "Scope for type ConeClassLikeTypeImpl" is null from transitive dependencies
• KT-61889 Analysis API: Migrate KtFirReferenceShortener to ContextCollector instead of FirResolveContextCollector
• KT-62772 Analysis API: No 'org.jetbrains.kotlin.fir.java.FirSyntheticPropertiesStorage'(31) in array owner: LLFirSourcesSession when analysing builtins in a context of common code
• KT-61296 K2: do not resolve the entire file on lazyResolve call if FirFile is passed
• KT-60319 K2 IDE: "Stability for initialized variable always should be computable"
• KT-62859 K2 IDE: "Evaluate expression" throws exception when calling "Any?.toString()"
• KT-62421 K2: IDE K2: "lazyResolveToPhase(BODY_RESOLVE) cannot be called from a transformer with a phase BODY_RESOLVE."
• KT-63058 K2 IDE: Code completion unexpectedly imports static/companion object method
• KT-62588 getExpectedType should not calculate type of the expression
• KT-61990 K2: Unexpected returnTypeRef for FirSyntheticProperty
• KT-62625 K2: 'FirLazyExpression should be calculated before accessing' for unresolved super type
• KT-62071 Analysis API: KtFirScopeProvider.getScopeContextForPosition throws exception when ImplicitReceiverValue.implicitScope is null
• KT-62691 K2: optimize getFirForNonKtFileElement for references inside 'where'
• KT-62587 K2 IDE. FP unresolved reference on accessing nested class in annotation argument
• KT-62834 K2: missing file node level in control flow builder
• KT-62768 Analysis API: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'(44) in array owner: LLFirSourcesSession exception on analysing common code
• KT-62874 K2: FirLazyExpression should be calculated before accessing
• KT-62407 Analysis API: resolve [this] in KDoc to extension receiver
• KT-61204 K2: "FirLazyExpression should be calculated before accessing in ktor HttpBinApplication"
• KT-61901 Analysis API: Declared member scopes for Java classes are missing static members
• KT-61800 Analysis API: Provide separate declared member scopes for non-static and static callables
• KT-61255 Analysis API: Get rid of valueOf, values and entries from a declared member scope
• KT-62466 Expected type for functional expression should include inferred types
• KT-61203 IDE K2: "Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirRegularClassImpl(Source) but FirArgumentListImpl found"
• KT-61791 Analysis API: Implement combined getPackage for combined Kotlin symbol providers
• KT-62437 K2 IDE. Resolution does not work inside lambda expression in constructor argument in supertypes
• KT-62244 K2: Analysis API Standalone: Resolving klib dependencies from binary roots terminates application
• KT-62897 K2 IDE. Unresolved declarations from libraries which are doubled in intellij project libraries
• KT-61615 K2: No 'org.jetbrains.kotlin.fir.analysis.js.checkers.FirJsModuleKind' in array owner: LLFirSourcesSession
• KT-59334 K2: LLFirImplicitTypesLazyResolver problems
• KT-62038 K2: Nested classes are missing in symbol light class structure tests for libraries
• KT-61788 Analysis API: Symbol for FirAnonymousInitializer cannot be null
• KT-62139 Analysis API: KtFe10AnalysisSession.createContextDependentCopy does not need validity check
• KT-62090 Analysis API: introduce an API to get a substitution formed by class inheritance
• KT-62268 K2 IDE. No autocompletion and IllegalStateException for Pair
• KT-62302 Support PsiType -> KtType conversion
• KT-60325 K2 IDE. "IllegalArgumentException: source must not be null" on throw usage attempt
• KT-61431 K2: KtPropertyAccessorSymbolPointer pointer already disposed for $$result script property
• KT-60957 K2: Analysis API: Reference shortener does not work correctly with invoke function calls on properties
• KT-58490 K2: LLFirTypeLazyResolver problems
• KT-58494 K2: LLFirAnnotationArgumentsLazyResolver problems
• KT-58492 K2: LLFirBodyLazyResolver problems
• KT-58769 K2: LL FIR: implement platform-dependent session factories
• KT-60343 K2 IDE. IllegalArgumentException on passing incorrect type parameter to function
• KT-61383 K2: 'KtCompilerFacility' fails on code fragment compilation in library sources with duplicated dependencies
• KT-61842 K2: reduce number of "in-block modification" events
• KT-62012 K2: "KtReadActionConfinementLifetimeToken is inaccessible: Called outside analyse method"
• KT-61371 K2: Analysis API standalone: register compiler symbol provider for libraries in standalone mode
• KT-61422 K2 IDE: "No array element type for vararg value parameter: org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl"
• KT-60611 K2: reduce number of "in-block modification" events
• KT-61425 Analysis API: Provide a way to get a declared member scope for an enum entry's initializing anonymous object
• KT-61405 Analysis API: An enum entry should not be a KtSymbolWithMembers
• KT-60904 K2: IDE K2: "For DESTRUCTURING_DECLARATION_ENTRY with text _, one of element types expected, but FirValueParameterSymbol found"
• KT-61260 K2 Scripts: Containing function should be not null for KtParameter
• KT-61568 FIR Analysis API: collectCallCandidates gives presence to the top level functions in the presence of more suitable overrides
• KT-60610 K2 IDE: move "out of block" processing logic into LL FIR
• KT-61597 Analysis API: KotlinIllegalStateExceptionWithAttachments: expected as maximum one expect for the actual on errorneous code with multiple expects
• KT-59793 K2: class org.jetbrains.kotlin.fir.declarations.impl.FirErrorImportImpl cannot be cast to class org.jetbrains.kotlin.fir.declarations.FirResolvedImport
  -...

Kotlin 1.9.20

1.9.20

Analysis. API

New Features

• KT-58834 Analysis API: Add source shadowing feature to resolve extensions

Performance Improvements

• KT-57515 LL FIR: Performance bottleneck in CompositeModificationTracker.getModificationCount
• KT-59266 K2: optimize FirElementBuilder.getOrBuildFir for elements outside body
• KT-59454 K2: drop resolve from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59453 K2: completion regression from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59189 Analysis API: KtFirKDocReference.resolveToSymbols is slow
• KT-58125 K2: LL FIR: KtToFirMapping.getElement is slow for KtUserTypes due to on-air resolution of types

Fixes

• KT-59240 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from superTypes
• KT-58499 K2: FirLazyBlock should be calculated before accessing
• KT-57966 K2: Analysis API: Reference Shortener does not work correctly when called on entire file
• KT-60954 K2: Analysis API: Reference shortener does not work correctly with variable assignments
• KT-60940 K2: Analysis API: Reference shortener incorrectly handles types in vararg parameters declarations
• KT-60488 Analysis API: forbid providing custom KtLifetimeToken for every analyze call
• KT-60728 K2: proper support for scripts in LL FIR transformers
• KT-59159 K2 IDE: declaration is not found exception
• KT-59297 K2: exception from body resolve leads to corrupted state and broken analysis
• KT-59077 KtFirExpressionTypeProvider behaviour for KtSimpleNameReferences in function calls
• KT-60586 K2: forbid analyze from write action
• KT-57743 K2 IDE: StackOverflowError from LLFirSessionCache for simple JPS project with cyclic dependencies
• KT-61026 K2 Scripts: FirLazyExpression should be calculated before accessing from on-air resolve
• KT-61009 K2 Scripts: KtFirExpressionTypeProvider: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-60357 K2 IDE. Reified types parameters are not resolved in a function body
• KT-60317 K2 IDE. IAE "This method will only work on compiled declarations, but this declaration is not compiled" on invoking Find Usages for enum method in library
• KT-60706 K2 IDE: FirJvmTypeMapper is not found for kotlin.kotlin-stdlib-common
• KT-60552 K2: merge StateKeeper and lazy body calculator for ANNOTATIONS_ARGUMENTS_MAPPING transformer
• KT-60641 Analysis API: Scope for class org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl not found exception when stdlib is missing
• KT-60638 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-54846 Analysis API: add isExpect/isActual to KtSymbol
• KT-60448 FirLazyResolveContractViolationException: lazyResolveToPhase(COMPILER_REQUIRED_ANNOTATIONS) cannot be called from a transformer with a phase COMPILER_REQUIRED_ANNOTATIONS from AllOpen plugin
• KT-59342 K2 IDE. FirLazyResolveContractViolationException: lazyResolveToPhase(TYPES) cannot be called from a transformer with a phase TYPES
• KT-59687 K2: Implement proper body update for in-block modifications
• KT-59329 Resolve Extensions reference resolution breaks Find Usages
• KT-60295 K2: move checkIsResolved for annotations from LLFirAnnotationArgumentsLazyResolver to LLFirTypeLazyResolver
• KT-59758 K2: Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImplWithoutSource from ReturnTypeCalculatorWithJump
• KT-60377 K2 IDE: This method will only work on compiled declarations, but this declaration is not compiled
• KT-59685 K2: rewrite on-air resolution
• KT-60132 K2: properties and functions without a name should be re-analyzable as well
• KT-59199 K2 IDE: PSI changes which do not cause OOB modifications can be unseen from the FIR elements
• KT-59667 Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutor
• KT-59705 KotlinExceptionWithAttachments: No fir element was found for getter
• KT-59697 AA standalone: JRT module paths are not properly populated in Windows
• KT-59505 K2: implicit type lazy resolution doesn't work for delegated declaration from other module
• KT-56426 K2 IDE: Typealised functional types cannot be rendered
• KT-59598 AA: stackoverflow while simplifying a type with a recursive type parameter
• KT-58497 K2: Expected FirResolvedTypeRef for initializer type of FirPropertyImpl(Source) but FirImplicitTypeRefImplWithoutSource found
• KT-59511 AA standalone mode creates Application Environment for tests
• KT-58161 Analysis API: Make methods in KtCallResolverMixIn more distinctive based on their receiver/return type
• KT-59093 Do not throw exception on KtCall resolution, KtCallElement.resolveCall should return null on unknown cases
• KT-59243 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from permits types
• KT-58194 K2: Low Level API: use smart pointers to store references to PSI from FIR declarations for JavaElement
• KT-59133 K2: java.lang.IllegalStateException: Fir is not initialized for FirRegularClassSymbol
• KT-58174 K2: LL FIR: Invalid type reference for T & Any type
• KT-52615 LL FIR: build RAW FIR only by stubs
• KT-55053 K2: Exception "lateinit property diagnostic has not been initialized" in FirBuilder
• KT-58580 K2: LL FIR: Declarations provided by resolve extensions from a dependency module are not visible through LLFirCombinedKotlinSymbolProvider
• KT-58992 Analysis API: move org.jetbrains.kotlin.analysis.api.fir.utils.addImportToFile out of Analysis API
• KT-58727 K2: AA FIR: implicit type in delegated function treated as error
• KT-58653 K2: Analysis API: add functions for KtScope members access by name
• KT-57559 K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent on intellij project
• KT-58262 Analysis API: Declarations from Analysis API Resolve Extensions are not seen from completion
• KT-57455 LL FIR: Combine AbstractFirDeserializedSymbolProviders in session dependencies (optimization)
• KT-57207 LL FIR: Combine JavaSymbolProviders in session dependencies (optimization)
• KT-58546 K2: LL FIR: support name collision in a designation path
• KT-58495 K2: Lazy calculation is redundant
• KT-58500 K2: null cannot be cast to non-null type org.jetbrains.kotlin.fir.FirPureAbstractElement
• KT-58493 K2: Expected ...

Kotlin 1.9.20-RC2

Changelog

Compiler

• KT-62747 Wrong warning message when overriding vararg with Array during actualization
• KT-62655 Don't report a warning when new members and new supertypes are added to open expect actualization
• KT-62313 Kotlin/Native Compiler crash: ClassCastException in IntrinsicGenerator

JavaScript

• KT-62790 java.lang.ClassCastException in compiler when ::class is used

Libraries

• KT-62656 Drop @AllowDifferentMembersInActual from stdlib

Reflection

• KT-47973 Reflection: "IllegalArgumentException: argument type mismatch" when using callSuspend to call a function returning value class over primitive

Tools. Gradle

• KT-61359 "Unresolved reference: platform" when enabling Gradle configuration cache
• KT-62496 Configuration time regression with KGP 1.9.20-Beta caused by loading of properties

Checksums

File	Sha256
kotlin-compiler-1.9.20-RC2.zip	e7ecbb754203a427adcdfa97f609472e0840ef7c6722c04daaf218900b669728
kotlin-native-linux-x86_64-1.9.20-RC2.tar.gz	5faf5f8b1f20c8214767f23a1c9918ab97191abbb93d39aae9fd529b1a93b463
kotlin-native-macos-x86_64-1.9.20-RC2.tar.gz	64d40e0d3398a6fecc948391d1ccd02c30371a56da3710ee6491b5b7b98f7a24
kotlin-native-macos-aarch64-1.9.20-RC2.tar.gz	41be3a0f63a6f726118024c5a9960e480390267a96a30a45211d2bcf49104c33
kotlin-native-windows-x86_64-1.9.20-RC2.zip	a5305b21517756b108c748ade77780af564589b1f64feb810ce211fb72b2da2b

Kotlin 1.9.20-RC

Changelog

Compiler

• KT-62127 "NoSuchFieldError: TRUE$delegate" on referencing companion's variable in submodule
• KT-62335 Improve debuggability of code generator crashes
• KT-62263 Turn "different expect/actual members" error into a warning
• KT-61933 K2: "Argument type mismatch: actual type is 'Foo<kotlin/Function0<kotlin/Unit>>' but 'Foo<kotlin/coroutines/SuspendFunction0<kotlin/Unit>>' was expected"

IDE. Multiplatform

• KT-61686 Check and update places in compiler and IDE where we are saying that MPP is experimental/Beta/Alpha

Native

• KT-62532 Support Xcode 15.0 frameworks as Kotlin/Native platform libraries

Native. Runtime. Memory

• KT-61914 Kotlin/Native: massive increase in memory usage
• KT-61741 Kotlin/Native: tsan error in parallel mark

Tools. Gradle

• KT-62318 Android Studio sync memory leak in 1.9.20-Beta
• KT-61368 Native compiler option 'module-name' isn't available within the compilerOptions extension for native target while configuring it inside compilations
• KT-61355 freeCompilerArgs arguments and its values are passed to the compiler 5 times if added through target-level compilerOptions{} extension inside compilations

Tools. Gradle. Multiplatform

• KT-62029 Kotlin 1.9.20-Beta fails to detect some transitive dependency references in JVM+Android source set

Tools. Incremental Compile

• KT-61852 Kotlin 1.9.20-Beta: incremental compilation fails with files outside of the project folder

Tools. Kapt

• KT-62438 Change experimental K2 kapt diagnostic message
• KT-61879 K2 Kapt: java.lang.NoSuchMethodError during stub generation

Tools. Wasm

• KT-61973 K/Wasm: wasmWasiNodeRun is missed
• KT-61971 K/Wasm: wasmWasiTest should depends on kotlinNodeJsSetup

Checksums

File	Sha256
kotlin-compiler-1.9.20-RC.zip	12d0ff13c62aedeabb6e03a9619b59f8275ec9600b4de25560d5b451e1deafdf
kotlin-native-linux-x86_64-1.9.20-RC.tar.gz	54cbb138324cf4a9bc1133329da40d9ffdd428b9441367dca6f96e49034423fa
kotlin-native-macos-x86_64-1.9.20-RC.tar.gz	82e8346bbfd01d06b3630ed0370982f24ace7e7abffd53cefdf1399ceb1ca5f0
kotlin-native-macos-aarch64-1.9.20-RC.tar.gz	9b57d7631c879110e747eaa6da7a8819e48a191be3cb77169d0a4bfcef38bcca
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