Finalize CHANGELOG.md for 5.1.2

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [vNext]
+
+## [5.1.2] / 2021-05-18
 - Fixed target duration to be measured immediately after execution
 - Fixed build script invocation from global tool
 - Fixed `AddPackage` command to allow explicit version parameter
@@ -785,7 +787,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added CLT tasks for Git
 - Fixed background color in console output
 
-[vNext]: https://github.com/nuke-build/nuke.git/compare/5.1.1...HEAD
+[vNext]: https://github.com/nuke-build/nuke.git/compare/5.1.2...HEAD
+[5.1.2]: https://github.com/nuke-build/nuke.git/compare/5.1.1...5.1.2
 [5.1.1]: https://github.com/nuke-build/nuke.git/compare/5.1.0...5.1.1
 [5.1.0]: https://github.com/nuke-build/nuke.git/compare/5.0.2...5.1.0
 [5.0.2]: https://github.com/nuke-build/nuke.git/compare/5.0.1...5.0.2