







Part 3 of Mastodon, two years later

Instâncias Mastodon.BR
Lista das instâncias brasileiras de Mastodon com mais contas em atividade, ordenadas pelo seu tráfego de posts nos últimos 30 dias, e atualizada em 07/01/2026 com dados de 07/12/2025 a 06/01/2026.
Mastodon's Eternal September
Figure 1: A ‘joke’ t-shirt made in 1994 commemorating Eternal September, taken from The Eternal September Wikipedia page The latest round of Twitter nonsense (changing the way “blocking” works) has caused another wave of people to abandon that site for pastures new. Nearly every one of them went to Bluesky instead of Mastodon. 1.2 Million people joined Bluesky in 48 hours. I wonder why that is? I bet there’s something about where people draw the line on Twitter’s behaviour and where they choose to go next. But I bet there’s something else to it too.
Falantes do BR-Mastodon
Lista em ordem alfabética dos usuários abertos que mais falam em português nas timelines públicas de várias instâncias brasileiras do Mastodon e de outras tecnologias do Fediverso, atualizada em 24/04/2026.

The Future is Ours to Build - Together
We’re pleased to introduce Mastodon’s new leadership team, and to share some other important updates.

Lessons from Mastodon's False Start: Understanding AT Protocol and Bluesky's Dilemma - Nightflight
Mastodon is for the people
How we're thinking about supporting the communities that rely on Mastodon every day.



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The many branches of the Fediverse
As more and more people are asking me about Mastodon I felt a need for a picture to point at, showcasing how the software known as Mastodon fits into the much larger concept of the Fediverse. I made this infographic to help myself and others explain the many different use-

How Does Mastodon Work? - Kev Quirk
I’ve spoken about Mastodon numerous times on this blog. It is the social media platform I use more than any other, but for a new user it can be confusing because it doesn’t work like other social media sites.
So uh, apparently $288/year is not enough to run a Mastodon service for ~3 users, and this is a known issue (masto.host/mastodon-content-retention-se…) with no solution (github.com/mastodon/mastodon/discussions…!