Whenever I enter fullscreen mode Without the controls, so it’s just the canvas for the whole screen It works fine, but when I exit Using esc It crashes the app entirely.
Could you please give us the following in order for us to help you:
Operating System
MyPaint Version (Found under Help>About MyPaint
Also if you can link a 15-30 video from like youtube or vimeo showing us the problem, that might help us out. If this turns out to be a bug we will help you fill out an Bug Report on our Github Repository our at least point you to one that may be related to this one.