Never an 'xorg' bug but probably https://wiki.ubuntu.com/StableReleaseUpdates#Phasing so that updates are 'rolled out' to users gradually.
If you want to receive updates as they are released then please read https://discourse.ubuntu.com/t/phased-updates-in-apt-in-21-04/20345 for how to configure your system to do this. ** Package changed: xorg (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1999993 Title: The following packages have been kept back (ubuntu-wallpapers) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1999993/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
