The !Fediverse is not undergoing fragmentation, but more diverse federation. I thought @liamzebedee gave a good explanation of !OStatus. While I agree there is no "official" implementation, I disagree with all his OStatus issues. There may be no "official" implementation of OStatus, but !StatusNet is the showcase application, and #GNUsocial should become the reference implementation. Interesting that the author provides no OStatus ID, but only his Twitter ID @liamzebedee