I can confirm this is a regression since 1.7.5 - LightDM was unlocking the session being switched to regardless of if the user had authentication in a greeter or not.
I agree that the preferred behaviour is to switch to a greeter, but we should track that as a separate feature request.
I can confirm this is a regression since 1.7.5 - LightDM was unlocking the session being switched to regardless of if the user had authentication in a greeter or not.
I agree that the preferred behaviour is to switch to a greeter, but we should track that as a separate feature request.
Thanks for finding this problem!