I dont know enough to be sure whether or not libdrm-nouveau2 is the responsible package. But I will change the package on this ticket to that, if it helps get it more attention.
** Package changed: ubuntu => libdrm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1780846 Title: After update 2018-07-08 menus and buttons are behaving badly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/1780846/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
