It looks like this might be related to the bubble menu pointer lingering. I can't seem to reproduce it yet.
Any hints on when/how it starts happening? ** Package changed: gnome-shell (Ubuntu) => gnome-shell-extension- ubuntu-dock (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846477 Title: Dragging icons in launcher is slow until shell restarted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-ubuntu-dock/+bug/1846477/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs