I use the discover panel exclusively as a commander for quickly accessing filters for which I don't have any shortcuts assigned. In Photoshop 2020 it was possible to type "high pass" and it automatically selected the first entry. Then you press enter and boom you're there. Now the panel doesn't select anything, you need to press the down key a few times to get to the desired result – which is a waste of time and not really intuitive. And by the way you cannot close this panel with pressing escape as the old panel allowed you to do. It seems like there is no keyboard shortcut to close this window? In professional production workflows these little things matter ...