- rename NEWS to NEWS.md with markdown format
- document pattern matching (case/in) feature
- document new gems (mruby-task, mruby-benchmark, mruby-strftime)
- document mirb improvements
- document HAL platform abstraction
- document C API changes
- list fixed GitHub issues
- list 101 merged pull requests from community contributors
- list security fixes
Co-authored-by: Claude <noreply@anthropic.com>