@silverpill I just had a thought: can we make Activitypub “degrade” to an RSS-like protocol to make implementations simpler, by making an instance able to say “we don’t implement server-to-server, but you can fall back to the outbox and poll instead, if you respect its caching headers”
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Beady Belle Fanchannel (profpatsch@mastodon.xyz)'s status on Thursday, 05-Mar-2026 00:12:31 JST
Beady Belle Fanchannel
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silverpill (silverpill@mitra.social)'s status on Thursday, 05-Mar-2026 00:12:29 JST
silverpill
@Profpatsch Yes, poll-only ActivityPub is possible. There is a FEP about it: https://fediverse.codeberg.page/fep/fep/b06c/
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silverpill (silverpill@mitra.social)'s status on Wednesday, 18-Mar-2026 02:08:40 JST
silverpill
@Profpatsch I think you're right, ActivityPoll is not very useful in common scenarios. But you can use it as a replacement of RSS.
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Beady Belle Fanchannel (profpatsch@mastodon.xyz)'s status on Wednesday, 18-Mar-2026 02:08:42 JST
Beady Belle Fanchannel
@silverpill At least that’s what Sonnet gathered when I threw the codebase & FEP at it, and it matches my observations of Mastodon behaviour
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Beady Belle Fanchannel (profpatsch@mastodon.xyz)'s status on Wednesday, 18-Mar-2026 02:08:43 JST
Beady Belle Fanchannel
@silverpill The other issue is that remote instance actor statuses are *invisible to Mastodon until someone actively follows the actor*, so messages won’t ever propagate
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Beady Belle Fanchannel (profpatsch@mastodon.xyz)'s status on Wednesday, 18-Mar-2026 02:08:44 JST
Beady Belle Fanchannel
@silverpill So thinking about this, I think it has a fundamental flaw in the current setup:
Mastodon will never reply to the Announce object, it will always dereference to the original note and set that as inReplyTo.
So an ActivityPoll impl loses all interesting features, most notably replies/comments by default.
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