rich1.0julian (npub1uq…pz8a5)https://yabu.me/npub1uq5lznmk9ax9r07mhs0lrv4qaafyguepj2spfjlw54acwkxrds3sppz8a5njumphttps://yabu.mestill being worked on and liable to change, but right now a category/audience is on the fediverse as a Group actor and announces all posts made to topics within it, as per FEP-1b12 Topics/contexts are currently not sent out to inboxes, but when queried, return an OrderedCollection.