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+# Changelog
+
+All notable changes to this project are documented here.
+
+## [2.5.1] - 2026-04
+- Added passive voice detection patterns (#80)
+- Integrated remaining prompt updates coherently (#79)
+- Added OpenCode support (#47)
+- Fixed excessive "actually" usage pattern (#77)
+
+## [2.5.0] - 2026-03
+- Added voice calibration from writing samples
+- Fixed pattern count in WARP.md: 24 → 25
+
+## [2.1.0] - 2026-01
+- Added before/after examples for all 24 patterns
+
+## [2.0.0] - 2026-01
+- Complete rewrite based on Wikipedia's "Signs of AI writing" page
+- Restructured patterns into four categories: Content, Language, Style, Communication
+
+## [1.0.0] - 2026-01
+- Initial release