Same problem. In syslog after layout switching I can see:
org.gnome.Shell.desktop[1470]: Window manager warning: Overwriting existing binding of keysym 68 with keysym 68 (keycode 2b).
Same problem. In syslog after layout switching I can see:
org.gnome. Shell.desktop[ 1470]: Window manager warning: Overwriting existing binding of keysym 68 with keysym 68 (keycode 2b).