I think there is no agreement with bplan and that's why it is not listed.
IMO, that announcement mainly says that you will need to have approved A1200/A3000/A4000/A1.5ROM/nonamePPCboardROM to be able to run the OS, just to prevent piracy. Am I mistaken?
(not sure if I can post, amiga.org sucks with Opera6 more than before)