Whenever I try to draw anything on the canvas, nothing shows up unless I click off the canvas. I have seen it recommended that to fix this bug, I should change the renderer to ANGLE, but that requires a restart of Krita and I cannot find out how to actually perform such a restart.
See https://docs.krita.org/KritaFAQ#Krita_starts_with_a_black_or_blank_canvas_and_nothing_changes_when_you_try_to_draw.2Fshows_a_black_or_blank_screen_on_my_Windows_system_with_an_Intel_GPU and please paste the output of help/system information for bug reports in a comment on this bug. *** This bug has been marked as a duplicate of bug 360601 ***