Generally we don't support custom xrandr --scale settings in Ubuntu because it conflicts with the fractional scaling patch, so bugs are expected if you modify the internals like that. Still, if you would like to discuss any such bug then please report it by running:
ubuntu-bug mutter -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1937916 Title: xrandr --scale 0.5 confines display to native solution on secondary sceen, but mouse moves on the upscaled screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1937916/+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