Hello Hamish, Besides XRender what other configurations do you have in the Compositor or otherwise. I am experiencing green and red static over desktop icons and sometimes screen fracturing/tearing of the wallpaper.
Kubuntu 18.04 Precision 5520 -- 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/1762961 Title: Screen corruption To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1762961/+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