Window buttons missing on MacOS
Every now and then, the window icons (close, minimize, maximize) in the top left of my illustrator disappear all of a sudden:

When I hide all palettes using the tab key, the buttons appear a bit further down:
I still need to figure out the steps to reproduce this problem. It might have to do with me using an external ultra-wide monitor, but it could still be happening on the internal macbook screen only as well.
Nonetheless, it's very annoying.
