- Added extensive new capabilities to the Analysis API, including stubs support, contracts for property accessors, context parameters, KDoc extraction, collection literals, and numerous API clarifications and deprecations.
- Enhanced Kotlin/JS and Wasm backends with single‑module mode support, improved debugging tooling, updated string handling, and performance and stability fixes for runtime crashes and code generation.
- Implemented many compiler and IDE bug fixes and performance tweaks, such as smarter cast handling, reduced reflection initialization overhead, and improved bridge generation for abstract interface methods.