- Compiler updates: fixed annotation scope, enhanced type inference and delegation checks, added API version flag, property reference inlining, collection stub optimizations, and hidden‑deprecation error reporting.
- IDE improvements: richer structure view, expanded selection, better navigation and Find Usages performance, advanced code completion and auto‑import, and numerous new refactorings (introduce type parameter, extract superclass/interface, ...
- Stability fixes: resolved many crashes and verification errors in the compiler and IDE, including false positive diagnostics, stack underflow, illegal access, deadlocks, and memory usage reductions.