this post was submitted on 16 Mar 2026
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I’m not sure if this is the wrong place to post this; my apologies if it’s not.

Anyway, I have an inquiry about Mastodon replies seeming to not post to show up on Lemmy.

Earlier today I made a post on Mastodon and made it post to Lemmy as well, by @ing the community I wanted it to appear in. Here’s a link to the post on Mastodon, and here’s how it showed up on Lemmy. At first, everything seemed to work fine.

But something I noticed is that, though the Lemmy comments were visible to me on Mastodon, the reverse was not true: most of the Mastodon replies were not visible on Lemmy. So there seems to have been some federation issues there.

So my question is, does anyone know what caused this and if so how I can fix it?

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[–] originalucifer@moist.catsweat.com 13 points 20 hours ago (1 children)

unless somethin new has happened, lemmy doesnt fully federate to mastodon/the twitterverse. interaction is very limited.

its one of the reasons i use mbin instead of lemmy

[–] a_gee_dizzle@lemmy.ca 0 points 20 hours ago (4 children)

If I had made this post on kbin would the lemmy and mastodon users have been able to interact with one another?

[–] julian@activitypub.space 4 points 18 hours ago (1 children)

Theoretically yes.

Practically, only sometimes. Mastodon doesn't know to send the reply to the community (or even just a user from that community), so when replies are made that don't include the community, then they don't get make it through to the threadiverse.

Mastodon users (if they're following the community) will get everything, but the UI for reading threadiverse content is abysmal 😝

[–] a_gee_dizzle@lemmy.ca 1 points 6 hours ago

Haha okay. Thanks for the info!

[–] rimu@piefed.social 3 points 19 hours ago (1 children)

It's more likely that the instance hosting the community would make the most difference. Try a PieFed community if you're interested.

[–] a_gee_dizzle@lemmy.ca 0 points 19 hours ago* (last edited 19 hours ago) (2 children)

I always an avid user of piefed.ca but I had to quit because most of my comments weren’t federating anymore due to some corrupted data issue

Edit: misread your comment. You jut mean posting to the community. Gotchu

[–] Blaze@piefed.zip 1 points 13 hours ago

The federating issues were solved iirc

[–] rimu@piefed.social 1 points 14 hours ago

Afaik it's fixed now 😊

[–] originalucifer@moist.catsweat.com 2 points 20 hours ago (1 children)

lemmy does not federate with mastodon/the twitterverse..

i believe there is a one-way mechanism for twitterverse posts to be used an inbound content stream for lemmy (like rss ) but thats it... one direction.

i dont think theres anything you can do to make that happen short of some janky bridge.

i subscribe to lots of peeps from the twitterverse.. i can reply to/comment on posts, see other comments, upvote/boost, etc.. kbin is dead long live mbin.

[–] a_gee_dizzle@lemmy.ca 1 points 19 hours ago

i believe there is a one-way mechanism for twitterverse posts to be used an inbound content stream for lemmy (like rss ) but thats it... one direction.

The Lemmy posts were showing up as replies to my Mastodon post. And some of the Mastodon replies were showing up in Lemmy. So it does seem to go both ways, its just inconsistent

[–] hzl@piefed.blahaj.zone 1 points 18 hours ago (1 children)

If you use Misskey or whatever it calls itself now, it works well with Mastodon and okay with Lemmy.

[–] a_gee_dizzle@lemmy.ca 1 points 6 hours ago

If I had posted this on Miskey would that have allowed Lemmy users and Mastodon users to interact?