I see this was filed on the 13th. Had this been mentioned in the 45.2 mantic SRU bug[1], I wouldn't have released the package to updates on the 14th :/
1. https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2043000 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2046360 Title: Heavy stuttering in Firefox with mutter 45.1/45.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2046360/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs