I was able to work-around this issue by rolling back only the *libgl- mesa* packages from version 18.0.5-0ubuntu0~16.04.1 to version 17.2.8-0ubuntu0~16.04.1.
I did not need to revert the *libdrm* packages in order to work-around this issue. -- 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
