Mastodon EngineeringMastodonEngineering@mastodon.social
Sep 15, 2026, 2:50 PMWe just released Mastodon v4.7.2, v4.6.8, v4.5.18 and v4.4.25.
In addition to several bugfixes, they disable HEIF processing to avoid a known critical security issues. We encourage server administrators to update as soon as possible.
Full release notes and update instructions are available on the GitHub releases page.