I use English and Russian layouts, and separate layout for separate windows. It is extremely difficult to remember which layout was switched on when my computer locks the screen even if I don't go for a coffee break. Since there is no indication of the active layout whatsoever in the unlock window, unlocking becomes a trial-and-error experience.
And there are people who have more than one keyboard layout, and they, too, lock their screens... -- unknown keyboard language when unlocking screen https://launchpad.net/bugs/39467 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
