The JetBrains Blog

Kotlin 2.0.20 has been released! This version includes performance improvements and bug fixes for Kotlin 2.0.0, where we announced the Kotlin K2 compiler as Stable. Learn more!

Dive into the K2 compiler’s performance benchmarks and learn how to measure performance in your own projects.

Kotlin 1.9.0 has been released! Highlights include: Kotlin K2 for JVM is in Beta, other K2 compiler updates, new enum class values function, new operator for open-ended ranges, preview of Gradle configuration cache in Kotlin Multiplatform, changes for Android target support in Kotlin Multiplatform, preview of custom memory allocator in Kotlin/Native. Learn more!