this post was submitted on 27 Jul 2023
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Lemmy.world Support

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The lemmy.world bubble is back (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by necropola@lemmy.world to c/support@lemmy.world
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For the past days I've noticed that posts/comments I make on my lemmy.world account are not (or rather very slowly, if ever) federated to the source instance of the community and post/comments that are on the source are not (or rather very slowly, if ever) federated to the local copy on lemmy.world.

The result is again (as it was before 0.18.1) that lemmy.world users are living in a bubble in which they see each othery posts/comments but nobody else does.

Is this a known issues and is this going to be addressed?

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[โ€“] necropola@lemmy.world 6 points 1 year ago* (last edited 1 year ago)

I thought beehaw.org defederating from us would not affect post/comments on shared source instances, e. g. lemmy.wtf, which is neither defederated from beehaw.org nor us:

https://lemmy.world/post/149743

Why do I see posts/comments from beehaw users on communities outside lemmy.world and beehaw.org?

That's because the "true" version of those posts is outside beehaw. So we get updates from those posts. And lemmy.world didn't defederate beehaw, so posts/comments from beehaw users can still come to versions hosted on lemmy.world.

https://codeberg.org/fediverse/fep/src/branch/main/fep/1b12/fep-1b12.md#the-announce-activity

After the group successfully verifies and wraps the received activity, it sends it to the inboxes of its followers. Followers then use the outer Announce activity to verify that the content was really approved by the group. After this step the Announce can be discarded and only the inner activity shown to users.

Cloudflare Challenge?

Since lemmy.world is now behind Cloudflare, is it possible that federation is hit by Cloudflare Challenges as described here?