Sounds like you might be describing one or two known issues. Please check this list and tell us which of those you are facing:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-tiling- assistant ** Tags added: noble ** Changed in: gnome-shell-extension-tiling-assistant (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2065869 Title: Noble tiling overlay broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-tiling-assistant/+bug/2065869/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs