JetBrains/kotlin v1.8.20-RC

Kotlin 1.8.20-RC

on GitHub

Changelog

Backend. Wasm

• KT-56584 K/Wasm: Can't link symbol class

Compiler

Fixes

• KT-57053 Problem around anonymous objects in inline functions
• KT-56965 K/N: linkDebugFrameworkIosArm64 tasks failing with UnsupportedOperationException: VAR name:disposables type:com.badoo.reaktive.disposable.CompositeDisposable [val]
• KT-56815 compileKotlin task is stuck with while(true) and suspend function
• KT-56258 VerifyError: Bad local variable type when using -Xdebug
• KT-56847 Unresolved reference to Java annotation in Kotlin class with the same name packages
• KT-56526 InvalidProtocolBufferException on reading module metadata compiled by K2 in 1.8.20
• KT-56500 The type parameter TYPE_PARAMETER name:E index:0 variance: superTypes:[kotlin.Any?] reified:false is not defined in the referenced function FUN LOCAL_FUNCTION_FOR_LAMBDA
• KT-56611 Native: new native caches are broken when KONAN_DATA_DIR is defined to a directory inside ~/.gradle
• KT-56215 JVM: Object extension function nullable receiver null check false negative when object is null
• KT-56033 Restore 'isMostPreciseContravariantArgument' function signature for compatibility
• KT-56407 Backend Internal error: Exception during IR lowering during :daemon-common-new:compileKotlin
• KT-56701 K2 (with LightTree) reports syntax errors without additional information
• KT-56649 K2 uses 0-index for line numbers rather than 1-index
• KT-56521 Static scope initializers sometimes not called when first accessed from interop
• KT-49182 Strange cast from Unit to String
• KT-55125 Difference in generated bytecode for open suspend functions of generic classes

IDE. Gradle. Script

• KT-56941 Gradle KTS / Navigation: Go to declaration for Java types doesn't work

JavaScript

• KT-56602 KJS / Serialization: polymorphicDefaultDeserializer unbound on Kotlin 1.8.20-Beta
• KT-56580 KJS: languageVersionSettings string is unstable
• KT-56581 KJS: Lock file for incremental cache
• KT-56582 KJS: Function type interface reflection crashes the compiler in incremental build
• KT-56469 KJS: BE Incremental rebuild spoils source map comment

Libraries

• KT-55935 [Kotlin/JVM] Path.copyToRecursively does not work across file systems

Native

• KT-56443 Native link task reports w: Cached libraries will not be used for optimized compilation

Tools. CLI

• KT-56789 Metaspace memory leak in CoreJrtFileSystem
• KT-56992 Performance test regression in Gradle when switching to Kotlin 1.8.20
• KT-56925 Remove warning about assignment plugin
• KT-57077 1.8.20-RC-243 shows Java 19 warnings even if configured with Java 17 toolchain

Tools. Compiler Plugins

• KT-56487 Add more methods to DescriptorSerializerPlugin

Tools. Compiler plugins. Serialization

• KT-56738 Unexpected SERIALIZER_NOT_FOUND when compiling against binary with enum
• KT-56990 "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" in kotlinx-serialization using @Serializer and List argument

Tools. Gradle

• KT-56221 Gradle KTS: False positive Val cannot be reassigned when using an extension and its property with an implicit set operator
• KT-55452 Values of the compiler arguments set via KotlinCompile task configuration are duplicated by the KaptGenerateStubs task
• KT-56645 Gradle: KGP reports an incorrect resources processing task name for JVM projects
• KT-55565 Consider de-duping or blocking standard addition of freeCompilerArgs to KaptGenerateStubsTask
• KT-56414 Dependency locking and failed builds with Kotlin 1.8.10

Tools. Gradle. JS

• KT-57068 KJS / Gradle: "Unable to find method 'kotlin.gradle.targets.js.dsl.KotlinJsBrowserDsl.testTask'" after updating to 1.8.20-Beta
• KT-56999 K/JS: KotlinJsIrLink::rootCacheDirectory property must be public
• KT-56765 K/JS: Several binaries use same cache directory
• KT-56488 Debugger won't stop on breakpoints of JS browser test
• KT-56719 KJS / Gradle: Compile sync task has to sync only changed files

Tools. Gradle. Multiplatform

• KT-56729 commonizeCInterop: Duplicated libraries: co.touchlab:sqliter-driver-cinterop-sqlite3
• KT-56510 Import with included plugin build may fail with OverlappingFileLockException during commonizeNativeDistribution

Tools. Kapt

• KT-56635 KAPT / IR: "Unresolved reference: DaggerGeneratedCodeTest_AppComponent " caused by stub generation with Kotlin 1.8.20-Beta
• KT-56360 Kapt with JVM IR changes fields order

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