Updated changelog on docs

Author: Christopher Remde

docs/content/docs/about/changelog.md

@@ -13,6 +13,15 @@ weight: 420
 toc: true
 ---
 
+### Version 1.2.1
+
+Version 1.2.1
+
+This version contains a small improvement for the rendering bounds of Sequences. The bounds were not correctly calculated in previous version, leading to the sequence not being correctly culled from the camera view.
+
+Fixes: #9
+
+⬇️ Please also update the Geometry Sequence Player package to the newest version!
 
 ### Version 1.2.0