Original attempt at sending from Discourse to the Fediverse did not work:
We’ve been waiting for it: now thanks to Angus McLeod and the #Pavilion team, as well as CDCK, Inc. the company behind #Discourse, the #SocialHub is now federated! You can follow @fediverse@socialhub.activitypub.rocks for general announcements, and @feps@socialhub.activitypub.rocks for Fediverse Enhancement Proposals.
Thank you all who pushed for Adding federation support to Discourse.
So it was moved here and retried 