added CHANGELOG for #3693

extensions/gii/CHANGELOG.md

@@ -6,6 +6,7 @@ Yii Framework 2 gii extension Change Log
 
 - Bug #1263: Fixed the issue that Gii and Debug modules might be affected by incompatible asset manager configuration (qiangxue)
 - Bug #3265: Fixed incorrect controller class name validation (suralc)
+- Bug #3693: Fixed broken Gii preview when a file is unchanged (cebe)
 - Enh #2018: Search model is not required anymore in CRUD generator (johonunu)
 - Enh #3088: The gii module will manage their own URL rules now (qiangxue)
 - Enh #3222: Added `useTablePrefix` option to the model generator for Gii (horizons2)