Security release: Mastodon 4.5.20 is out

Security fixes · New features · Bug fixes

[!WARNING] While we do our best to support Mastodon 4.5 until 2027-02-20, there are known security issues in some of the dependencies we use. We recommend administrators to update to a newer Mastodon version when they can, especially if you use OpenStack Swift for object storage.…

8,679 Mastodon servers can upgrade.