@daniel, Thanks for your quick feedback.
And yes, if I removed the gnome-shell-extension-ubuntu-dock this issue is gone, no shaking and no extra dots. So it should be a bug of gnome- shell-extension-ubuntu-dock while not gnome-shell. ** Changed in: gnome-shell (Ubuntu) Status: Incomplete => New ** Also affects: gnome-shell-extension-ubuntu-dock (Ubuntu) Importance: Undecided Status: New -- 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/1962820 Title: Application icons are shaking when scale to 200% To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1962820/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs