v2.3.0-RC2
What's New
Kotlin v2.3.0-RC2 addresses critical compiler issues affecting generic type handling with functional interfaces and enhances plugin compatibility diagnostics. This release focuses on stability improvements for developers using advanced type systems and custom compiler plugins.
Highlights
- Fixed ClassCastException when instantiating classes with generics implemented by fun interfaces and lambdas
- Improved compiler error messages to identify incompatible plugins causing compilation failures
Recent Releases
All releases →
v2.3.20-RC
Feb 19, 2026
Release Notes →
v2.3.10
Feb 5, 2026
Release Notes →
v2.3.10-RC2
Feb 2, 2026
Release Notes →
v2.3.20-Beta2
Jan 29, 2026
Release Notes →
v2.3.10-RC
Jan 19, 2026
Release Notes →
v2.3.20-Beta1
Jan 8, 2026
Release Notes →
v2.3.0
Dec 16, 2025
Release Notes →
v2.3.0-RC3
Dec 9, 2025
Release Notes →
v2.3.0-RC2
Dec 2, 2025
Release Notes →
v2.3.0-RC
Nov 18, 2025
Release Notes →
v2.3.0-Beta2
Oct 28, 2025
Release Notes →