Nvidia? it freezes my system sometimes as well. I go CTRL + ALT + F6, wait for the login to show up on text mode and then CTRL + ALT + F2 to go back, it usually fixes the problem

From my experience, blur/transparency only works consistently on default themes (Breeze). It might work on some themes, however, any update could potentially break the blue/transparency effects.

I am so very hyped. Also I’m ready to be disappointed, but I’m so ready