Latest kernel update must have had something funny in it regarding the telegram snap 2.7.1-12, when i try to watch an image in telegram full screen it wobbles up and down fast.
The VM is based on fedora 32.
I do not experience this problem on a bare metal ubuntu mate desktop on some notebook.
I am guessing it has something todo with default the grafix card drivers for the overpowered rx480 (i use many monitors
There were no Hardware changes since ages. Everything else displays just fine, just telegram picture full screen wobbles.
xrandr shows for each monitor the same,
1920x1080 60.0*+ 50.00 59.94