Kotlin 2.3.0

Official Kotlin changelog summary with source attribution, release tags, and community reactions.

Track this Kotlin release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.

Kotlin·8 months ago · Dec 16, 2025, 01:29 PMFixAI-assisted summary

Summary

Added extensive Analysis API enhancements, including cross‑file redeclaration checks, call candidate deduplication, session logging, memory optimizations, and IntelliJ Bazel build support
Improved Light Classes and symbol handling with fixes for property accessors, private interface functions, enum entries, and numerous PSI‑related bugs
Extended Kotlin/Wasm capabilities with per‑module WASM generation, annotation class instantiation, better exception handling, and several runtime stability fixes

featurebugfixminorsource needs review

Official source Last checked 3 weeks ago

Loading follow options…

official source

Verify the original release note

Every summary should remain traceable to the original changelog or release source.

AI-assisted summarysource needs reviewLast checked 3 weeks ago

related channels

Turn this Kotlin release note into a weekly digest for the tools you actually use.