I then rebooted normally, and was presented with a console terminal screen (autoremove had removed gnome-shell, gdm, and a bunch of other things). How 1980s!
I then installed
sudo apt install ubuntu-desktop
and rebooted normally.
Everything seems to have returned AND no results from sudo journalctl -b0 | grep MetaSyncRing
Hope this helps others. :-) Thanks Daniel for taking this seriously.
I do not want to reinstall Ubuntu 22.04.4 just 3 months before I install Ubuntu 24.04.1 Too much work.
OK. I bit the bullet (and it turned out to be not-that-painful). From the Jammy Proposed PPA, I installed:
sudo apt install libmutter- 10-0=42. 9-0ubuntu8 mutter- 10=42.9- 0ubuntu8
sudo apt install gir1.2-
and autoremoved everything it proposed.
I then rebooted normally, and was presented with a console terminal screen (autoremove had removed gnome-shell, gdm, and a bunch of other things). How 1980s!
I then installed
sudo apt install ubuntu-desktop
and rebooted normally.
Everything seems to have returned AND no results from sudo journalctl -b0 | grep MetaSyncRing
Hope this helps others. :-) Thanks Daniel for taking this seriously.