The relay https://relay.toot.io, and indeed any Activity-Relay service that uses the up-to-date version 2.0.11, now works correctly with GoToSocial:
https://github.com/yukimochi/Activity-Relay/issues/117
If anyone is still having trouble connecting to services running the Activity-Relay software, you can:
- Gently poke the admins of those relays to update to v2.0.11, which is the only version currently that works with GtS.
- Then as GtS admin you can then try removing all previously-created connections to the relay (pushes and subscriptions), and recreating them in order to re-send the Follow activity. You should receive an accept within a few seconds if all goes well.
If you want posts to actually show up on the federated timeline of your instance, don't forget to either tick "match posts by default" when creating the subscription, or create appropriate relay matchers to pick which posts you want your instance to store + timeline.
