diff --git a/CHANGELOG.md b/CHANGELOG.md
index c60c01e..3ec2081 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,16 @@
 # Changelog
 
+### 1.2.x: Refactor
+#### 1.2.0: Splitting Classes into Separate Files
+- Refactored `gui.py`, which previously contained almost all the code, into multiple files.
+- Each window's logic is now in its own file, improving code organization.
+- Window layouts remain in `.ui` folder, while their logic is now properly separated.
+
 ## 1.1.x
 ### 1.1.0: New Function in Preview Window
 - Added a new feature to the preview window: **Hold a button to temporarily view the original (unedited) image.** This makes it easier to compare changes.
 - Minor UI adjustments.
 
-
 ## 1.0.x
 ### 1.0.1: Fixed spelling
 - Fixes spelling some places