- Enhanced compiler diagnostics and smart‑cast handling, fixed numerous crashes and bytecode generation bugs, and added performance optimizations (e.g., reduced library method count, smarter annotation handling).
- Introduced many IDE improvements: Spring framework support, new inspections, quick‑fix actions, intention to convert strings/templates, and enhanced navigation and refactoring features.
- Updated documentation for binarySearch, trimIndent/trimMargin, and other APIs, and applied minor deprecations and clean‑ups.