On Mon, Aug 10, 2020 at 07:03:26PM +0200, Marc SCHAEFER wrote: > Should I try with another window-manager? I will also double-check that > the other working buster MATE installation uses marco. The bug is NOT present with compiz. The bug IS NOT present on a fresh buster install with marco. I tried for i in .???*; do find $i -name '*marco*' -print; done to see if any local marco-specific config existed, but could not find any.