JetBrains/kotlin v2.0.0-RC3

Kotlin 2.0.0-RC3

on GitHub

Changelog

Apple Ecosystem

• KT-67892 KotlinNativeLink task instantiates with a fixed list of apiFiles

Compiler

• KT-67993 K2: PCLA Inference throws exception with local objects
• KT-67912 K2: Cannot inference type properly from inline function with Type parameter
• KT-68056 Prohibit referencing java field in case of conflict with property from companion object of the derived class
• KT-67609 K2: False negative INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR
• KT-67875 K2: Resolution ambiguity between Iterable and varargs
• KT-67699 Not enough information to infer type argument for 'Error' using Arrow's Raise context receiver since Kotlin 2.0.0-Beta3
• KT-59897 K2: Disappeared PACKAGE_OR_CLASSIFIER_REDECLARATION
• KT-50020 K2: False-negative USAGE_IS_NOT_INLINEABLE when lambda in receiver position
• KT-67810 K2: public-API inline function cannot access non-public-API annotation enum

JavaScript

• KT-67978 K2: Declaration of such kind (expect) cannot be exported to JavaScript

Native

• KT-67218 Native: nested classes in kx.serialization ProtoBuf produce empty array for release binary

Tools. Gradle

• KT-67746 Indicate for users they need to apply the new Kotlin Compose Gradle plugin
• KT-67387 Enable intrinsic remember by default in compose compiler gradle plugin
• KT-67762 Rename Kotlin Compose Compiler plugin on Gradle portal
• KT-67778 Clarify documentation for compose metricsDestination property

Tools. Gradle. Multiplatform

• KT-67806 KMP import fails if android target has flavors
• KT-67636 Gradle configuration error when use withJava()
• KT-67042 K2: Unresolved reference 'convertRadiusToSigma'

Tools. Scripts

• KT-67727 Kotlin Scripting with language version 2.0 fails during IR lowering on empty scripts

Tools. Wasm

• KT-67785 Kotlin/Wasm: Node.JS 22 does not need experimental-wasm-gc flag anymore