We just released Mastodon 4.6.1. It contains several important bug fixes and we recommend every instance running 4.6.0 to update.
We are also releasing Mastodon v4.5.12 and v4.4.19 with small bugfixes and a fix to a critical security issue affecting servers using LDAP_TLS_NO_VERIFY=true.
Full release notes and update instructions are available on the GitHub releases page.