We just released the second beta of Mastodon 4.3.
This version contains a security fix for an issue present in Mastodon 4.3 beta 1, (moderate severity) so we strongly suggest admins running on our beta versions to update as soon as possible.
We expect this to be the final beta, and to release our Release Candidate next week. Please open GitHub issues if you encounter anything unexpected!
https://github.com/mastodon/mastodon/releases/tag/v4.3.0-beta.2