23.1, nicknamed "Quintessential Quail", features Unbound DNS statistics with a blocklist rewrite in Python, improved WAN SLAAC operability, firewall alias BGP ASN type support, PHP 8.1, assorted FreeBSD networking updates, MVC/API pages for packet capture/virtual IPs/IPsec connection management, IPsec configuration file migration to swanctl.conf, new sslh plugin, ddclient custom backend support (including Azure), WireGuard kernel module plugin variant as the new default plus much more. Here are the full patch notes against 22.7.11: replaced log_error() use with log_msg() and adjusted logging levels accordingly; introduced a service boot log; the LibreSSL flavour has been discontinued; simplify gateway monitoring setup code....
Official announcement
Download OPNsense
