I'm having a very similar issue. With 21.10
I noticed that the issue goes away, when I change the scale to 100% (instead of 200%) on the secondary screen.
Main Screen (USB-C): 3440x1440, 100% Secondary Screen (Built-In): 3840x2160: 200%
I'm having the issue with or without extensions.
I'm having a very similar issue. With 21.10
I noticed that the issue goes away, when I change the scale to 100% (instead of 200%) on the secondary screen.
Main Screen (USB-C): 3440x1440, 100%
Secondary Screen (Built-In): 3840x2160: 200%
I'm having the issue with or without extensions.