I'm here to say that on ubuntu 12.10, gnome shell 3.6.2 this still not works. Kind of a pitty..
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/521492 Title: [Patch upstream] Dual Monitor wallpaper is not scaling across both monitors, same background is repeated on both monitors instead To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/521492/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
