add #3271

Author: Geokureli

CHANGELOG.md

@@ -64,6 +64,7 @@
 - Reduce memory of Flixel's embedded assets via oxipng ([#3257](https://github.com/HaxeFlixel/flixel/pull/3257))
 - Debug Stats: Improve accuracy of "Total Memory" in OpenFL 9.4.0 ([#3266](https://github.com/HaxeFlixel/flixel/pull/3266))
 - `FlxGraphic`: Improve checks for max texture size ([#3279](https://github.com/HaxeFlixel/flixel/pull/3279))
+- Debugging: Stop dispatching onFocus event when closing debugger ([#3271](https://github.com/HaxeFlixel/flixel/pull/3271))
 
 #### Bugfixes:
 - `FlxFlickerTween`: Fix "Unsupported recursive type" error on hl ([#3170](https://github.com/HaxeFlixel/flixel/pull/3170))