This appears to only happen if Firefox and Thunderbird are set to use the "System theme - auto" theme. Manually selecting either the light or dark theme seems to work around this problem.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xwayland in Ubuntu. https://bugs.launchpad.net/bugs/2061298 Title: Screen corruption in Firefox and Thunderbird when using Wayland To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xwayland/+bug/2061298/+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