@evan @erincandescent @julian @darius I can leave this as a comment on the PR or the issue tracker, but my position is that "conversation tree" is entirely the wrong way to look at it, because a "conversation" and a "reply tree" are not the same thing. You can fork the conversation, you can reply to something in a different conversation, and you can have your post moved to a different conversation. I could define a property for it, but my intent was to gracefully degrade to using it for grouping