We’re happy to announce that Mastodon 4.5 is now ready for prime time! Quote posts, async fetching of replies, server timeline visibility settings, more moderation tools, and lots and lots of other tweaks and improvements.
Announcement on our blog: https://blog.joinmastodon.org/2025/11/mastodon-4.5/
Full release notes and update instructions are available on our GitHub release page: https://github.com/mastodon/mastodon/releases/tag/v4.5.0
@MastodonEngineering Is there an easy way to determine which version my instance is currently running?
@jsbarretto @MastodonEngineering
In the web UI you can find it at the bottom of the column on the right
@jsbarretto @MastodonEngineering Log in to the web-ui and look at the lower left corner of the page.
@jsbarretto @MastodonEngineering go on the instance page, click "About"
Scroll down 
@jsbarretto @MastodonEngineering https://<your-instance>/about
