First please look in $HOME/.local/share/gnome-shell and ensure there is no directory named 'extensions'. If there is one then remove it and log in again.
Similarly please open the 'Extensions' app and ensure you only find the three Ubuntu extensions listed.
Thanks for the bug report.
First please look in $HOME/. local/share/ gnome-shell and ensure there is no directory named 'extensions'. If there is one then remove it and log in again.
Similarly please open the 'Extensions' app and ensure you only find the three Ubuntu extensions listed.