- Fixed highlighting of the last write reference in the no‑unused‑vars rule and improved linting of code blocks sharing extensions but different content.
- Enhanced documentation: added deprecation notes, corrected anchors, updated the PR template, and provided new arrow‑function examples for rules.
- Chores: upgraded ESLint to 3.0.0, added Node.js v16 support, cleaned up test identifiers and lint‑staged config.