still in RC1 
Does some solution exist?
Dunno, but I can say that the bug started appearing in some recent update of 11.0. It doesn’t happen on all my desktops though, just this particular one, a laptop and I don’t know what’s different about it that would matter, video controller, screen size, aspect ratio, whatever. Maybe that’s why not more people have noticed. Looks like some kind of downscaling artifact but that’s just a wild guess.
Nvidia ? :\
What is your driver version?
I had some systray icon corruptions with 177.82 driver, so I’m installed the 180.08 (beta) driver.
Does the 180.08 driver fix the display corruption?
Actually, yes. Maybe I’ll try a new driver sometime. The machine is only used occasionally so it will have to wait until the next time I want to use it.
Yes i have 180.08 beta.