Referring to update on 2021-11-19 :
"Especially Nvidia Fermi and Keppler users should read the Troubleshoot post to avoid non-loading desktops … "
…yours is a Kepler card.
Nvidia 495xx driver series drops Keppler support.
With the new 495xx driver series a lot of Wayland adjustments got added. Also Nvidia decided to remove Keppler support . Therefore you may want to switch drivers to 470xx series, which still supports those graphic cards:
sudo mhwd -r pci video-nvidia
sudo mhwd -i pci video-nvidia-470xx
…all this is in the first post from last update.