Hello!
It is my pleasure to introduce you to Foxey Blur!!
It is an asset for Game Maker Studio 2 that has everything you need to blur some area of the screen or room in the game. Useful for making super modern UI or for making windows or something with ice/glass in your game!
Look at this!
You can get it here:
https://foxyofjungle.itch.io/foxey-blur-area
Thank you so much for listening.
Source: itch.io