add changelog

Author: varinotmUnity

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - [PBLD-240] Fixed a bug where buttons for "Create Cube" and "Create PolyShape" appeared incorrectly on Light theme.
 - [PBLD-258] Fixed an bug where clicking a highlighted edge might select a hidden edge instead.
 - [PBLD-262] Fixed a bug in the deep cycling of face selection where faces from hidden meshes would get prioritized
+- [PBLD-276] Fixed a bug where dragging a single face from a connected texture group in the UV Editor caused visual distortion during the drag operation
 
 ## [6.0.7] - 2025-08-28