I've also noticed that the crash in https://bugzilla.mozilla.org/show_bug.cgi?id=1790496 gets triggered by the 1pixel shift, even when sharing the full desktop screen.
** Bug watch added: Mozilla Bugzilla #1790496 https://bugzilla.mozilla.org/show_bug.cgi?id=1790496 -- 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/1997480 Title: maximized xwayland windows shift by 1 pixel when on top vs/ not on top To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xwayland/+bug/1997480/+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