https://bugzilla.gnome.org/show_bug.cgi?id=681685
Allow setting shortcut based only on a combination of two modifier keys, eg. Alt+Shift
Status: RESOLVED
Resolution: FIXED
Переключение по CapsLock:
$ gsettings set org.gnome.settings-daemon.peripherals.keyboard input-sources-switcher caps
Будет доступно в 3.6.2.