I have two Bugzilla accounts. In 2006, I used the older one (Invitatious) to report or comment on at least five bugs or feature requests:
To claim this activity, I signed up for that email address on hotmail.com again, added it to my Phabricator account, and verified it. However, the Phabricator tasks have not been updated accordingly.
I suspect the migration script may be treating my old email address case-sensitively (Invitatious versus invitatious). I'll try deleting and readding the email address with matching capitalization to see if that's the problem.