Update CHANGELOG

Author: adamwathan

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+Nothing yet!
+
+## [2.2.0] - 2021-06-17
+
 ### Changed
 
 - JIT: Use "tracking" context by default instead of "watching" context for improved reliability with most bundlers ([#4514](https://github.com/tailwindlabs/tailwindcss/pull/4514))
@@ -1427,7 +1431,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v2.1.4...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v2.2.0...HEAD
+[2.2.0]: https://github.com/tailwindlabs/tailwindcss/compare/v2.1.4...v2.2.0
 [2.1.4]: https://github.com/tailwindlabs/tailwindcss/compare/v2.1.3...v2.1.4
 [2.1.3]: https://github.com/tailwindlabs/tailwindcss/compare/v2.1.2...v2.1.3
 [2.1.2]: https://github.com/tailwindlabs/tailwindcss/compare/v2.1.1...v2.1.2