Huh - it does work, as you say. I guess I misremembered.
EDIT: Now I remember my use case.
My email is actually myname+randomstring+website@otherdomain.com, and so I want to sign in with the same randomstring every time. Previously when signing in to Persona with my Gmail email address it would suggest all alternatives, and I'd choose the appropriate one. Now it logs in with Gmail directly instead.
Of course, this is such an edge case that it's probably not worth doing anything about. And I can simply sign into Persona with myname@otherdomain.com for the previous functionality.
Yet another use case that's more difficult now: I use randomstring@gmail.com for some sites where I expect to get lots of spam, and then forward email based on some filters.
We'll switch from proxying via OpenID to OAuth 2 in the next few months, which will make that seamless again thanks to the `login_hint` option to Google's OAuth endpoint.
EDIT: Now I remember my use case.
My email is actually myname+randomstring+website@otherdomain.com, and so I want to sign in with the same randomstring every time. Previously when signing in to Persona with my Gmail email address it would suggest all alternatives, and I'd choose the appropriate one. Now it logs in with Gmail directly instead.
Of course, this is such an edge case that it's probably not worth doing anything about. And I can simply sign into Persona with myname@otherdomain.com for the previous functionality.