Kotlin v2.2.0-RC2 released!

NewsBot · 4 June 2025 15:22

Kotlin v2.2.0-RC2 has been released.

Changelog

Backend. Wasm

KT-77622 K/Wasm: investigate CMP crash on mobile Safari

Compiler

KT-77220 Annotation with EXPRESSION is not allowed on lambdas in Kotlin 2.2.0

Compose compiler

b/420729503 Avoid copying @Deprecated annotations on Compose compiler stubs

b/417412949 Emit fake line number for skipToGroupEnd branch

IR. Tree

KT-77508 K/JS and K/Native CompilationException Wrong number of parameters in wrapper

JVM. Reflection

KT-77663 Reflection: java.util.ServiceConfigurationError: “module kotlin.reflect does not declare uses” when using kotlin-reflect in modular mode

Tools. CLI

KT-77445 UNRESOLVED_REFERENCE when importing classes from kotlin-stdlib

Tools. Gradle. Multiplatform

KT-77404 The kotlin-stdlib and annotations are missing from commonTest dependencies with 2.2.0-Beta1

Link: Release Kotlin 2.2.0-RC2 · JetBrains/kotlin · GitHub