ActivityPub between two Discourse instances

Support
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To which extend can two instances of Discourse communicate with each other through the API of ActivityPub?

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Do you mean directly using the ActivityPub Plugin? If so, this is what you can currently federate:

Can be federated between Discourse instances

  1. Public topics can be federated when
    • created in a specified Category or created with a specified tag
  2. Replies on those topics can also be federated in both directions
    • this is super cool, but only works if both instances are public
  3. Deletions of these will also be federated

What can’t currently be federated between instances:

  1. edits aren’t federated
    • this includes wiki edits
  2. old topics / replies can’t be federated
    • this can be quite a challenge for legacy content

We are currently exploring federation between the pavilion tag here on meta.discourse.org and coop.pavilion.tech, so hopefully you’ll be able to see this in action in a real world setting shortly.

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In case I federate based on categories, do I go right in the assumption, that they would simply show up in each others category list?

So are those categories listed as if they were native, non-federated categories?

4

New topics in the source show up in the follower’s designated category, and replies are shared in both directions.

New Topics posted in the follower aren’t federated at present.

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