JetBrains/kotlin v1.6.20-RC

Kotlin 1.6.20-RC

on GitHub

Changelog

Compiler

• KT-51302 Kotlin/Native 1.6.20-M1 compiler fails because of assertion in NativeAnnotationImplementationTransformer
• KT-51148 "AssertionError: At this stage there should be no remaining variables with proper constraints" caused by two type parameters
• KT-50970 Kotlin/Native: use arm instruction set instead of thumb-2 for iosArm32 and watchosArm32 targets
• KT-50843 Kotlin/Native: LLVM constant merge pass does not work for Kotlin constants
• KT-51157 JVM / IR: "IndexOutOfBoundsException: Index: 1, Size: 1" caused by interface hierarchy and UInt method parameter
• KT-50498 Exception after analysing an erroneous lambda
• KT-51062 Progressions resolve changing warning isn't reported for Java methods
• KT-51040 Type inference fails on 1.6: "Cannot use 'CapturedType(*)' as reified type parameter" with EnumSet and elvis operator
• KT-51022 Fix error messages for resolution ambiguity with stub types

Native

• KT-51359 Native: the compiler doesn't work on macOS 12.3 Beta

Native. Runtime. Memory

• KT-50879 Kotlin/Native: Stabilize Concurrent Sweep GC
• KT-50948 Kotlin/Native: Concurrent Sweep GC hangs on Windows in GCStateHolder::waitEpochFinished/waitScheduled

Tools. Android Extensions

• KT-50784 kotlin-android-extensions produces unbound symbol under _$_findViewCache

Tools. CLI

• KT-51309 Add JVM target bytecode version 18
• KT-51025 JVM CLI compiler takes class file from classpath instead of input java source file

Tools. Daemon

• KT-47522 Provide reasonable resolution strategy for OutOfMemoryError during compilation
• KT-51116 OOM user-friendly message isn't displayed if there is main exception caused by out of memory

Tools. Gradle

• KT-51177 After updating from KGP 1.5.30 to 1.6.10, KotlinCompile is non-incremental given an Android resource change
• KT-50719 Kotlin Gradle Plugin may hang on writing statistics
• KT-48849 Cache miss due to empty directories in KotlinCompile inputs

Tools. Gradle. JS

• KT-51060 KJS / IR: Incorrect order of libraries with IC
• KT-50930 KJS / IR: Incremental compilation cache building not consider multiple artifacts

Tools. Gradle. Multiplatform

• KT-50592 [Gradle][MPP] Mitigate isolated KGP classpath issues
• KT-51176 CInteropCommonization: Warn users about disabled cinterop commonization when cinterops are present in hmpp

Tools. Gradle. Native

• KT-49330 commonizeNativeDistribution: "ClassCastException: KotlinJvmProjectExtension_Decorated cannot be cast to class org.jetbrains.kotlin.gradle.dsl.KotlinProjectExtension"

Tools. Kapt

• KT-48402 Kapt throws "Fatal Error: Unable to find package java.lang in classpath or bootclasspath" with JDK 16 and Kotlin 1.5.30
• KT-48450 Allow to configure additional jvm arguments for 'KaptWithoutKotlincTask`
• KT-41456 Kotlin compilation failure after successful kapt causes invalid incremental builds

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