Kotlin 1.7.20-RC just got released!

Changelog

Compiler

• KT-53739 Builder inference, extension hides members
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager
• KT-53667 Compiler crashes on attempt to alloc a string on the stack in new MM
• KT-53480 Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$string
• KT-52843 Compose: NPE at Parameters.getParameterByDeclarationSlot if inline function with default arguments takes a lambda which captures value class represented by Long
• KT-51868 JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
• KT-53475 Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"

Libraries

• KT-52910 Provide visit extension functions for java.nio.file.Path
• KT-52909 Implement a walk extension function for java.nio.file.Path

Native

• KT-53346 MPP project with kotlinx-serialization-json:1.4.0-RC is not built

Native. C and ObjC Import

• KT-53373 Native: @ExportObjCClass doesn't work with the new memory manager

Native. Runtime

• KT-53534 Kotlin/Native: -Xruntime-logs=gc=info flag doesn't with compiler caches in 1.7.20-beta

Tools. Gradle

• KT-53670 Gradle: Cyclic dependency between kotlin-gradle-plugin-idea-1.7.20-Beta and kotlin-gradle-plugin-- idea-proto-1.7.20-Beta
• KT-53615 Gradle: Fix deprecation warnings in CleanableStoreImpl
• KT-53118 Fully up-to-date builds are slower with Kotlin 1.7.0

Tools. Gradle. Cocoapods

• KT-53337 Add warning about future changing default linking type of framework provided via cocoapods plugin

Tools. Incremental Compile

• KT-53266 Increment Compilation: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing companion object constant field
• KT-53231 New IC reports build failures for missing classpath snapshots

Tools. Kapt

• KT-52761 Kotlin 1.7.0 breaks kapt processing for protobuf generated java sources