Update CHANGELOG.md

To prepare for the upcoming v1.2.1 release.

Author: hochleitner

CHANGELOG.md

@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [1.2.1] - 2021-03-08
+
+### Changed
+
+- Update to PHP 8.0.3.
+- Update to Xdebug 3.0.3.
+- Update to MariaDB 10.5.9.
+
+### Fixed
+
+- Xdebug 3 developer extensions are now activated (better errors, enhance var_dump, etc.).
+
 ## [1.2.0] - 2021-02-09
 
 ### Changed
@@ -18,6 +30,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Update to latest Composer, PHP_CodeSniffer and phpMyAdmin versions.
 - Update to Xdebug 3. It is set to debug mode (profiler and tracer are disabled).
 - README.md updated with current instructions.
+
+### Removed 
+
 - Removed integrations of Redis and ElasticSearch. They can be installed when needed through the supplied scripts in the `bin` directory.
 
 ## [1.1.0] - 2020-03-06
@@ -47,7 +62,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Various shell scripts for convenience.
 - phpinfo.php for easy installation checks.
 
-[Unreleased]: https://github.com/Digital-Media/fhooe-webdev/compare/v1.2.0...HEAD
+[Unreleased]: https://github.com/Digital-Media/fhooe-webdev/compare/v1.2.1...HEAD
+[1.2.1]: https://github.com/Digital-Media/fhooe-webdev/compare/v1.2.0...v1.2.1
 [1.2.0]: https://github.com/Digital-Media/fhooe-webdev/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/Digital-Media/fhooe-webdev/compare/v1.0.0...v1.1.0
 [1.0.0]: https://github.com/Digital-Media/fhooe-webdev/releases/tag/v1.0.0