I was under the impression I could use OpenID to log onto Ubuntu Forums - if I'm not remembering this wrong, I thought I did so the last time I visited Ubuntufo

I was under the impression I could use OpenID to log onto Ubuntu Forums - if I'm not remembering this wrong, I thought I did so the last time I visited Ubuntuforums - with my Launchpad.net membership. Does anyone remember if that was an option? Or was it only "username/email, password" to log onto the site?