FEP-1cbd: Event Attendance and Attendee Collections

It been some time since at the session about interoperability of events in the Fediverse as 2026 FOSDEM there was quite consent to move attendance out of FEP-8a8e. I just published a first draft on an additional FEP on SocialHub to catch some early reviews, before submitting it to Codeberg.

https://socialhub.activitypub.rocks/t/fep-1cbd-event-attendance-and-attendee-collections/8996

I've been trying to implement #activitypub support for my blog and have ran into a bit of a wall: I can federate articles, and I can receive Follow activities, but despite sending an Accept activity in response, a Mastodon user following the blog will still just see "Cancel request".

ActivityPub is quite a cool protocol but it is a bit infuriating how sparse the docs are on what you actually need to do for instances to accept your stuff, since the spec leaves a lot to implementor discretion...

Hi @stefano@rpi0w.stefanomarinelli.it @stefano@bsd.cafe
what a beautiful writeup! https://littlefedi.org/about.html

Strongly resonates with the spirit of (my currently on hold) https://seppo.mro.name/en/about/

Grazie mille! #SocialWeb #ActivityPub #Fediverse

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#Fediverse #Bonfire #Wanderer #Hosting #ActivityPub

Week in Fediverse 2026-11-13

Servers

- Ktistec v3.15.0
- Smithereen v1.1
- WriteFreely v0.17.3
- Mbin v1.11.1
- Mitra v5.13.0
- Cookifed v0.2.0
- Misskey v2026.11.0
- Hatsu v0.3.6
- NeoDB v0.20.1
- Frogue: A ForgeFed-enabled software forge

Clients

- Summit v1.88.2
- RaccoonForFriendica v1.2.0

Tools and Plugins

- Altbot v2.7

Protocol

- FEP-c3ab: Referencing Existing Objects in ActivityPub Client-to-Server Create

Articles

- ActivityPub Note: Streams, Collections, and Endpoints
- Fediverse Report – October 2026

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#WeekInFediverse #Fediverse #ActivityPub

Previous edition: https://mitra.social/objects/01a1b291-5e93-7351-993c-8e19734d0be6

Where the fediverse lives.

fedidb.com/globe

#Fediverse #FediDB #FediDBGlobe #ActivityPub

Dá certa tristeza ver a escolha dos atuais assessores do presidente Lula, que em seus primeiros mandatos falava de boca cheia sobre software livre e tinha iniciativas nesse sentido, terem escolhido perfis oficiais no Bluesky e Threads.

Lembro de ter ido algumas vezes a Brasília, no contexto do movimento de dados governamentais abertos e hacking cívico, e ver muito servidor público literalmente puxando projetos e iniciativas voltadas ao software livre e código aberto.

Talvez fazendo um pouco de mea culpa, pois virei imigrante, mas todo mundo sumiu? E os funcionários públicos daquela época?

Me parece que um conceito que passou batido nesse movimento foi o perigo da centralização. Poderíamos ter servidores oficiais com Mastodon ou algo análogo, como alguns na Alemanha e União Européia, mas a primeira iniciativa é logo ir pra uma plataforma com os mesmos vícios que nos levaram a essa situação.

Editado: e descobri que também criou no Threads, mas ainda não ativou a opção de fazer parte do fediverso, o que mostra o despreparo dos assessores.

Tag #WebSocialBr

Editado 01.10.26: não vejo tanto problema na conta do Bluesky, mas seria ideal um servidor próprio como o #Eurosky e usar #Bridgyfed.

#softwarelivre #OpenSource #DadosAbertos #x #Mastodon #BlueSky #descentralização #federação #Lula #activitypub #Brasil

Thinking about if it's possible to do federation with a subdomain but have stuff on a main domain, like the ActivityPub side is sub dot example dot com and users can be logged in and interact on example dot com with accounts that say username at sub dot example dot com. This would probably require a split front-end and back-end but also some sort of intervention if someone wants to take a page on a domain and comment on it. Ideally it should be on one domain.

#ActivityPub

Connected Places crossed back from the dead on Halloween:
Fediverse Report – October 2026
https://connectedplaces.online/fediverse-report-october-2026/
They make good points about how much it sucks to run a small instance these days. It's one of several reasons we pivoted our Manade project. Individuals face huge obstacles doing this anymore. Which sucks.
#fediverse #ActivityPub

Does anyone have an ELI5 on #mastadon or the #fediverse and how it all connects, how #activitypub works, etc? I work in IT, and have a basic understanding of API calls, server networking, etc, but I work pretty specifically in the Microsoft world with Active Directory, IIS, etc and I have little to no dev expeerience. I run a home lab but don't have a ton of time or energy these days to deep dive documentation. I'd like to know when and where I need to deep dive to understand this stuff.

I was unhappy with most of the #music tech products out there.

So I built Songhive as a self-hosted music platform that had everything I wanted:

• 💿 Standard music library management. Playlists, albums, tags, genres etc., plus automatic deduplication and audio metadata management over MusicBrainz

• 📂 Support for music from external cloud storage. Plug your S3 bucket, Dropbox account, Google Drive or Nextcloud folder loaded of MP3 files, and manage them under one roof

• ☁ ️Integration with external music providers (only TIDAL and YouTube for now), so you can import your playlists and favourite songs onto your own server

• 💰 Support for payments. Are you a tech enthusiast who would like to host a small music server for their family and friends, and would like them to contribute to the costs for hosting their music collections? You can activate subscriptions with custom amounts and custom billing periods on your platform. Are you a musician tired of being ripped off by traditional centralized music streaming platforms, labels and other middlemen, while having no control over your catalog and distribution? You can upload your tracks to a #Songhive instance, or host your own (ideal if run a small music label), connect your Stripe payout account, put individual tracks or albums on sale, and generate direct download links

• 🗣️ Full social integration over #ActivityPub. Songhive is basically a Mastodon instance with a music library around, or a Jellyfin instance with a Mastodon server around. Publish your tracks and albums, and they'll automatically appear on your followers' timelines. You can also share content with other Songhive or Funkwhale instances, follow Mastodon accounts and interact with them

• 📊 Listening stats and support for scrobbling to last.fm / libre.fm

• 🔊 #Subsonic API, so you can stream music from your local instance over any Subsonic-compatible app or speaker

• 🔁 Ability to #share your private tracks, playlists or collections with others through retractable share links

• 📻 Live radios! Create your playlists or listening queue, and stream it over Icecast, Snapcast, or native HTTP music streams. Build your radio station and share it as a simple link. It also supports live recording. Ideal for live podcasts, for streaming concerts or jams, or add some DJ-style talk between the tracks on your radio. Check out the streams available on my instance or directly tune into a radio through a direct URL

• 🛜 Podcasts, with support for synchronization over any gPodder-compatible app

🔗 Links

🏠 My own instance: manganiello.music 📻 My own 24/7 live radio (I may occasionally perform some guitar + loop station live jams on it too): manganiello.music/streams/fabio.mp3 🛠️ Codebase: git.fabiomanganiello.com/songhive (includes documentation to run your own Docker stack) 🛠️ Github mirror: github.com/blacklight/songhive

I wrote an article to clarify some of the terminology in the #ActivityPub specification related to collections, streams and HTTP endpoints.

https://www.stevebate.net/activitypub-note-streams-collections-and-endpoints/

Working on a FediHood-inspired "Nearby" feature for Catodon. Since FediHood's development has halted, I'm using it as a base, but without being restricted by it. I'm trying to build this not only thinking of Catodon's implementation, but with fedi on my mind, since we don't have a standard for location, and it could be useful for a lot of cases (events, marketplaces - even a federated dating app could use something like this, why not). So once I'm done, I'll propose two FEPs, so that other projects can also build on this.
#catodon #fedihood #fediverse #activitypub #fep

#Smithereen 1.1 is out!

In this update:
- Full-text search on walls, in group discussion boards, and in private messages
- Mastodon-like fetching of all comments for remote posts when you open them
- Moderation improvements: better domain blocks, bulk actions on users
- Support for making posts from external share buttons (FEP-3b86)
- As usual, way too many minor improvements and bug fixes

#ActivityPub #mastodev

So when I added support for Loops to https://columnly.social, I had to refactor quite a bit to abstract MastoAPI routes and entities properly.

Not only did that open the door to supporting other software more properly, but also inspired me to look into ATProto support so you could combine all your social web accounts in one beautiful client.

No promises, but I do look forward to implementing this when I have time!

#Columnly #ActivityPub #ATProto

Week in Fediverse 2026-11-06

Servers

- Mitra v5.12.0
- ties v0.4.0
- Mastodon v4.7.5
- ActivityPub for WordPress v9.4.3
- NeoDB v0.20.0
- NodeBB v4.16.7
- Wafrn v2026.11.01
- PieFed v1.7.19
- FitPub v1.3.1
- Lemmy Development Update October 2026

Clients

- Smither v3.7.0
- Aria v1.5.16
- Snowdrop v0.0.10

Tools and Plugins

- FediFetcher v8.2.4

For developers

- APx v0.28.0

Protocol

- FEP-f12e: Consent-respecting attributions
- FEP-2fa1: Federated Categories
- FEP-5837: Content Credentials for Media Attachments

Articles

- Noodling on Nodeinfo

-----

#WeekInFediverse #Fediverse #ActivityPub

Previous edition: https://mitra.social/objects/01a18e8f-ac60-7e81-98ec-38fff7df3af7

I notice most people name their #Wordpress blog's #ActivityPub handle as @blog ..

With tons of blogs with the same handle prefixes this makes your blog hard to mention, and people have to remember and type the full #fediverse handle before it shows up in the account dropdown dialog of the post editor. Just saying.

I wrote another FEP, this time for C2PA ✨

FEP-5837: Content Credentials for Media Attachments

https://codeberg.org/fediverse/fep/src/branch/main/fep/5837/fep-5837.md

#Fediverse #FEP #ActivityPub #C2PA #Pixelfed

The story of Linux should inspire the Fediverse.

"The year of the Linux desktop" has been a joke for 25 years - a quarter of the century! Yet slowly, and with a persistent following building for linux and supporting it, it's reaching a point where it's no longer something to laugh about - it's a valid choice for many people. Hell, my father (who is 81!) uses ZorinOS, which I installed when windows became too laggy and frustrating for him on his aging PC.

Similarly, if you tell someone that fedi can replace facebook/instagram/x for them, they will probably not take you seriously - most of the people they want to interact with are not here. In the very same way that the apps that people wanted to use on their operating system were not on linux some years ago. Things change - we can change them!

Linux is 35 years old. ActivityPub is less than 10!

Let's build apps and communities for the widespread adoption of the open web, for the fedi revolution. This won't come by itself, we have to prepare it. But we will - we already are!

#fediverse #activitypub #linux

My perspectives on the Fediverse protocol and its relationship to #ActivityPub....

https://www.stevebate.net/the-fediverse-is-not-activitypub/

Snac is a lightweight Fediverse-compatible social network server which is entirely human-written, and doesn't require a database. You can find out more at:

🏡 https://codeberg.org/grunfink/snac2

You can follow Snac's lead developer at:

🏡 @grunfink

It can be installed via @yunohost (at https://apps.yunohost.org/app/snac) or manually using the installation instructions (at https://codeberg.org/grunfink/snac2/src/branch/master/README.md).

#SelfHosting #Fediverse #ActivityPub #Snac

Sup.

Arriving soon 🔥

#Sup #Pixelfed #Loops #ActivityPub

Alt...

Sup, the social web messenger. Arriving soon!

Hashtag following also allow URLs to RSS feeds of ActivityPub objects (like e.g. https://mastodon.social/tags/ThankYouTuesday).

Users can now configure a webhook to receive an HTTP POST for every notification. This can be useful for implementing bots that react to activities, like autorepliers, chatbots or interactive textual games (see snac(1) for more information).

The number of pending follow confirmations is shown next to the "people" link.

Faster performance metrics (contributed by dandelions).

Improved lowercasing in hashtags (contributed by postscriptum).

A search-by-url tweak for implementations that return 200 for invalid webfinger queries (e.g. piefed).

Mastodon API: added follow confirmation endpoints, fixed collisions in attachment file names.

Fixed potential crashes in attachment uploads.

https://comam.es/what-is-snac

If you find #snac useful, please consider buying grunfink a coffee or contributing via LiberaPay.

#snacAnnounces #FrugalFediverse

Notifications are now shown in a more compact way (i.e. all reactions are shown just above your post, instead of repeating the post ad nauseam for every reaction).

New command-line option unmute to, well, no-longer-mute an actor.

The private timeline now includes an approximate mark between new posts and "already seen" ones.

Fixed a spurious 404 error in the instance root URL for some configurations.

https://comam.es/what-is-snac

If you find #snac useful, please consider contributing via LiberaPay: https://liberapay.com/grunfink/

#snacAnnounces

This release has been inspired by the song The Answers to the Questions by #Christabell and #DavidLynch.