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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.social/users/MastodonEngineering/statuses/115928196923390926">Mastodon Engineering (mastodonengineering@mastodon.social)'s status on Wednesday, 21-Jan-2026 00:45:07 JST</a><a href="https://mastodon.social/@MastodonEngineering" title="mastodonengineering@mastodon.social"><img src="https://gnusocial.jp/avatar/151944-48-20230727115502.webp" width="48" height="48" alt="Mastodon Engineering" style="position: absolute; left: 0; top: 0;">Mastodon Engineering</a></section><article><p>We just released Mastodon 4.5.5, 4.4.12, and 4.3.18.</p><p>These versions contain various bug fixes, including very important (1 high severity, 3 moderate severity) security fixes.</p><p>Mastodon 4.2 is now unsupported, so if you still run it, please update to a supported version as soon as you can.</p><p>Full release notes and update instructions are available on the GitHub releases page.</p><p><a href="https://github.com/mastodon/mastodon/releases" rel="nofollow">https://github.com/mastodon/mastodon/releases</a></p><p><a href="https://mastodon.social/tags/mastoadmin" rel="tag">#mastoadmin</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/6076675#notice-11966847">In conversation</a><time datetime="2026-01-21T00:45:07+09:00" title="Wednesday, 21-Jan-2026 00:45:07 JST">about 4 months ago</time> <span>from <span><a href="https://mastodon.social/@MastodonEngineering/115928196923390926" rel="external" title="Sent from mastodon.social via ActivityPub">mastodon.social</a></span></span><a href="https://mastodon.social/@MastodonEngineering/115928196923390926">permalink</a></footer></blockquote>

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Mastodon Engineering (mastodonengineering@mastodon.social)'s status on Wednesday, 21-Jan-2026 00:45:07 JST Mastodon Engineering
We just released Mastodon 4.5.5, 4.4.12, and 4.3.18.
These versions contain various bug fixes, including very important (1 high severity, 3 moderate severity) security fixes.
Mastodon 4.2 is now unsupported, so if you still run it, please update to a supported version as soon as you can.
Full release notes and update instructions are available on the GitHub releases page.
https://github.com/mastodon/mastodon/releases
#mastoadmin
In conversationabout 4 months ago from mastodon.socialpermalink

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