We just released Mastodon 4.3.1!
It contains some bug fixes and a few small features, like (optional) grouping of follow notifications and improvements the fediverse:creator setup instructions.
Upgrading requires re-compiling frontend assets (if not using Docker), instructions are in the release notes : https://github.com/mastodon/mastodon/releases/tag/v4.3.1
@MastodonEngineering @max 👀