Six to Eight's user display has just broken, as the /user/id/timeline route seems to have started returning different data. Previously, timeline_type of entries in the user_timelines array used to be one of comment, askoranswered, badge, revision, or accepted. According to the documentation, it's now one of ...

all, comments, posts, badges, revisions, or accepts

either I've gone insane, or this is a total behaviour change from just yesterday?