Context parameters and explicit backing fields move to stable; Kotlin/Native gets Swift package dependencies and CMS GC by default; Kotlin/Wasm gains WebAssembly Component Model support.
Summary
Stable context parameters reduce boilerplate for dependency passing; Swift interop on Native expands cross-platform options; Wasm Component Model alignment improves ecosystem standardization. Direct upgrade path for JVM projects targeting Java 26.
Why it matters
Stable context parameters reduce boilerplate for dependency passing; Swift interop on Native expands cross-platform options; Wasm Component Model alignment improves ecosystem standardization. Direct upgrade path for JVM projects targeting Java 26.
Implementation verdict
Drop-in version bump via build script (change Kotlin version to 2.4.0). Requires testing for annotation use-site target changes and .klib inline behavior consistency. Worth updating now if on JVM—no breaking changes signaled. Native/Wasm users gain concrete new capabilities.
Sources
Dev Signal
Get briefs like this in your inbox — free, every weekday.
100+ sources compressed into one 4-minute read. Ranked, cited, implementation-ready.