Found the fix hiding in gnome-shell_3.28.3+git20190124.orig.tar.xz So it's already in bionic-proposed:
https://launchpad.net/ubuntu/+source/gnome- shell/3.28.3+git20190124-0ubuntu18.04.1 ** Changed in: gnome-shell (Ubuntu Bionic) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1750197 Title: App grid animation causes heavy CPU spikes and dropped frames in Wayland & Xorg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1750197/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
