Update CHANGELOG.md

MrClock8163 · MrClock8163 · commit ca33296a0fb9 · 2025-08-26T13:32:28.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,7 +5,7 @@ file.
 
 The project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## v0.12.0 (2025-08-26)
 
 ### Added
 
