OPNsense 25.1 "Ultimate Unicorn"

OPNsense 25.1, codenamed "Ultimate Unicorn," marks a decade of innovation in open-source firewall development. This release introduces numerous enhancements, including improved MVC/API conversions, better security zone support, ZFS snapshot capabilities, a redesigned UI with light and dark themes, and an upgrade to PHP 8.3 and FreeBSD 14.2. Key system improvements include refined authentication, enhanced firewall rule management, expanded notification options, and optimized interface handling. Several plugins and core components have been updated, and FreeBSD’s pf(4) behavior changes are now integrated. Users should note modifications to access management, PPP device configuration, and upcoming changes to Let's Encrypt support. Official announcement Download OPNsense
Other releases
Number Codename Date
22.7 Powerful Panther 2022-07-28 00:00:00
23.1 Quintessential Quail 2023-01-26 00:00:00
23.7 2023-08-01 00:00:00
24.1 2024-01-31 00:00:00
24.7 2024-07-25 00:00:00
25.1 Ultimate Unicorn 2025-01-29 00:00:00
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