[*]relay.c.im Will Shut Down on October 31, 2026Owl Owl OÜ will permanently shut down the public ActivityPub relay at relay.c.im on October 31, 2026; instance admins who rely on relays should migrate before then.2026-07-06·#Fediverse#ActivityPub#Mastodon#Open Source#C.IM
[*]PeerTube Updated to 8.2.2P.LU is now running PeerTube 8.2.2, a security patch for vulnerabilities upstream rates from medium to high severity in PeerTube 8.2.1 and earlier.2026-07-05·#PeerTube#Update#P.LU#Fediverse#Video Hosting#Open Source#Changelog#Decentralized#Moderation
[*]Mastodon Updated to 4.6.3C.IM is now running Mastodon v4.6.3, with the v4.6.2 FFmpeg security release included and the v4.6.3 web UI fixes applied.2026-07-03·#Mastodon#Fediverse#Update#Changelog#Open Source#Social Media#C.IM
[*]What Is Mastodon?Mastodon is open-source social networking software that lets independently run servers form one network without one company owning the whole thing.2026-07-02·#Mastodon#Fediverse#Open Source#Privacy#Self-Hosting#C.IM
[*]What Is ActivityPub? The Protocol That Lets Mastodon, PeerTube, and Lemmy Talk to Each OtherActivityPub is the W3C standard behind the Fediverse, letting Mastodon, PeerTube, Lemmy, and other platforms interoperate across servers.2026-07-01·#ActivityPub#Fediverse#Mastodon#PeerTube#Lemmy#Open Source#Decentralization#Privacy#C.IM#P.LU#R.NF
[*]AI Did Not Create the Vulnerabilities. It Created the Patch Race.Mastodon's FFmpeg-only 4.6.2 release shows the real AI-era security problem: patches now move faster than many operators can verify them.2026-06-28·#AI#Open Source#Security#Mastodon#Fediverse#Self-Hosting#FFmpeg
[*]BlorpUI Is Now Available for R.NFR.NF now offers BlorpUI at b.r.nf, adding another optional Lemmy interface alongside Alexandrite, Classic, Photon, Mobile, and Tesseract.2026-06-28·#Lemmy#R.NF#Fediverse#Open Source#Community#Decentralized#UI
[*]Lemmy Updated to 0.19.19R.NF is now running Lemmy 0.19.19, a security-focused maintenance release with fixes for rate-limit bypasses, account enumeration, federation moderation, private messages, and markdown rendering.2026-06-28·#Lemmy#Update#R.NF#Fediverse#Open Source#Community#Changelog#Decentralized#Moderation
[*]PeerTube Updated to 8.2.1P.LU is now running PeerTube 8.2.1, with an important security fix plus new tools for channel transfers, live DVR, Studio editing, download throttling, and performance improvements.2026-06-28·#PeerTube#Update#P.LU#Fediverse#Video Hosting#Open Source#Changelog#Decentralized#Moderation
[*]Mastodon Updated to 4.6.1C.IM is now running Mastodon v4.6.1, bringing the Mastodon 4.6 profile redesign, collections, email subscription support, stronger account controls, and important fixes.2026-06-25·#Mastodon#Fediverse#Update#Changelog#Open Source#Social Media#C.IM