The issue was lightdm-gtk-greeter was not installed, according to IRC channel #ubuntu+1:
17:59 < micahg > a new upload ubuntu3 of lightdm was done ~20 minutes ago, that should fix the issues
The issue was lightdm-gtk-greeter was not installed, according to IRC channel #ubuntu+1:
17:59 < micahg > a new upload ubuntu3 of lightdm was done ~20 minutes ago, that should fix the issues