updated readme and changelog

Author: clausnagel

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+## [1.2.0] - 2025-12-06
+
 ### Added
 - Added a Java API for querying and processing feature changes from the `feature_changelog` table and aggregating
   them into change regions.
@@ -57,6 +59,7 @@
 
 This is the initial release of citydb-tool.
 
-[Unreleased]: https://github.com/3dcitydb/citydb-tool/compare/v1.1.0..HEAD
+[Unreleased]: https://github.com/3dcitydb/citydb-tool/compare/v1.2.0..HEAD
+[1.2.0]: https://github.com/3dcitydb/citydb-tool/releases/tag/v1.2.0
 [1.1.0]: https://github.com/3dcitydb/citydb-tool/releases/tag/v1.1.0
 [1.0.0]: https://github.com/3dcitydb/citydb-tool/releases/tag/v1.0.0

README.md

@@ -13,7 +13,7 @@ See the `LICENSE` file for more details.
 
 ## Latest release
 
-The latest stable release of citydb-tool is `1.1.0`.
+The latest stable release of citydb-tool is `1.2.0`.
 
 Download the latest citydb-tool release as ZIP package
 [here](https://github.com/3dcitydb/citydb-tool/releases/latest). Previous releases are available from the