I've had problems with this bug as well. I've tracked it down the dock extension. If you install it on PopOs you get the same stuttering. When I removed the extension the shell returned to normal.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872796 Title: gnome-shell animations are noticeably stuttery when the Ubuntu extensions are enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1872796/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs