Update Changelog.md

caguero · Addisu Z. Taddese · web-flow · commit f0f59a16cd3a · 2025-08-22T18:57:38.000+02:00
Co-authored-by: Addisu Z. Taddese &lt;addisu@openrobotics.org&gt;
Signed-off-by: Carlos Agüero &lt;cen.aguero@gmail.com&gt;
diff --git a/Changelog.md b/Changelog.md
@@ -1,6 +1,6 @@
 ## Gazebo Msgs 12.x
 
-### Gazebo Msgs 12.0.0 (2025-08-XX)
+### Gazebo Msgs 12.0.0 (2025-09-XX)
 
 1. **Baseline:** this includes all changes from 11.1.0 and earlier.
 
