I usually use Google Auth to login but it looks like that is not working anymore. I get the error below. Fortunately I see we now have a login by email link, so using that for now so this is not a train smash. I just thought it might be something to look into for the webmaster(s).
Authorization Error
Error 400: invalid_request
You can't sign in to this app because it doesn't comply with Google's OAuth 2.0 policy for keeping apps secure.
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redirect_uri: http://community.fhir.org/auth/google_oauth2/callback