Again, not surprising for those who follow the OpenBSD mailing lists, on 2023.10.16 OpenBSD 7.4 was released.

As usual the Upgrade instructions work fine and the first impression is good.

The one thing that might cause issues on some of the servers I administer is the fact that the included LibreSSL 3.8.2 no longer supports TLSv1.0 and TLSv1.1. TLSv1.2 and TLSv1.3 are now the only versions supported. Generally this is good, because the older versions were deprecated 2½ years ago, see RFC 8996 Deprecating TLS 1.0 and TLS 1.1. But there might be issues with IoT devices or even some older computers sending emails. We'll see…