silverpill@frogzone @kowalabearhugs Forgejo has federated stars: https://domaindrivenarchitecture.org/posts/2024-03-27-state-of-federation/
They say it is almost ready for production.
This is only the first step, but also the most difficult one, so hopefully federated replies and issues will come shortly after.
All GNU social JP content and data are available under the