v2.3.10-RC

Kotlin 2.3.10-RC focuses on stability fixes across the compiler, Compose integration, and reflection APIs. Key improvements address Java interoperability issues with JSpecify annotations, K2 compiler regressions, and Compose compiler reliability for mobile development. This release restores androidTarget compatibility for projects using older Android Gradle Plugin versions.

Highlights

• Fixed JSpecify @NullMarked compatibility issue causing equals() override conflicts
• Resolved ClassCastException when casting Kotlin UInt to Java Number in constants
• Fixed @NoInfer regression and unstable type resolution in K2 compiler
• Improved Compose compiler group analysis and boolean capture detection
• Fixed kotlin-reflect errors on FunctionN.invoke and type parameter handling
• Restored androidTarget support for AGP versions below 9