AFAIK Firefox doesn't allow clearing passwords on exit.
I understand, it looks like a missed opportunity?
Site settings refer to site specific preferences (that have been modified from default).
Screenshot please. Any idea how would this look in Orion because are site settings are usually one variable, not multiple in a group like this?
I don't know the positives for having all these settings for when a tab is closed
I remember this being requested previously (I guess there are users super conscious about privacy)