It's fast, but not conversations based; there's no threading at all that I can see, except a "replied" icon that isn't even an active link. It's a shame becaus

It's fast, but not conversations based; there's no threading at all that I can see, except a "replied" icon that isn't even an active link. It's a shame because conversations (unlike labels) don't require any protocol extension, thunderbird conversations work on any server.