Since app. 5 days the effect disappears, everything concerning the clipboard looks fine.
Last dist-upgrade on 2020-05-31: ii gir1.2-mutter-2:amd64 3.28.4-0ubuntu18.04.2 ii libmutter-2-0:amd64 3.28.4-0ubuntu18.04.2 ii mutter 3.28.4-0ubuntu18.04.2 ii mutter-common 3.28.4-0ubuntu18.04.2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878906 Title: copy/paste (clipboard) is broken in Ubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1878906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs