I'd suspect the recent update to: mesa (17.2.1-0ubuntu1) artful; urgency=medium
* New upstream bugfix release. (LP: #1716250) -- Timo Aaltonen <tjaal...@debian.org> Mon, 18 Sep 2017 14:42:16 +0300 I've only looked at Firefox's dependencies so far but of them all this is the only project updated in the past 2-3 days which supplies: libwayland-egl1-mesa -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1718653 Title: Windows buttons gone on specific programs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1718653/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
