IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Its ease of use, high performance in any scenario and extensibility make it usable for everyone.
Release notes:
https://blog.ipfire.org/post/ipfire-2-23-core-update-137-released
https://www.ipfire.org/
https://distrowatch.com/table.php?distribution=ipfire