I used to have a bug with Astropad that also exist with studio but an issue was found :
Everytime I move something on screen like going in menu or moving a tool, everything get chuncky with big squares of pixels getting bad color and brightness value until it refresh in many seconds. it made astropad unusable.
At the time, You provided me a kind of a solution, by going in debug option and deselecting the colorsync option.
Now with the last patch the bug is here again, but you moved away the colorsync option and we don’t have other solution to make astropad a working software.
Now you will have to take seriously care of this bug.
here is a video of the problem : https://www.youtube.com/watch?v=F245AichYXw