listbox with focusring: slow resizing on retina displays

On a window, when I have a filled listbox with focusring ON, then reszing the window gets terribly slow on a Retina display. I have no other workaround than switching the focusring OFF. Which is bad, from a user’s perspective.

The case was verified in a former beta, but is still there in now released versions. I request this case 26924 to be made public.

Probably the same issue as I reported here: <>

Yes, 26903 and 26924 should be merged. This focusring issue needs some focus …