I was looking around and stumbled upon this topic: that might help you with both hot corner activation & previewing. Not sure if it works with 20.04, but please give it a look Add a corner-activated window picker for Marco
I was looking around and stumbled upon this topic: that might help you with both hot corner activation & previewing. Not sure if it works with 20.04, but please give it a look Add a corner-activated window picker for Marco