OPNsense OPNsense Network Release Version Major Minor Patch End-of-life EOL Support End-of-support EOS Maintenance End-of-maintenance EOM Security Long-term support LTS Vulnerabilities Common vulnerabilities & exposures CVE Security product-release-end-of-life-overview.xml free-trial.xml 📅 Last update on 2025-08-08 What is OPNsense?   The entire lifecycle of OPNsense The following figure shows you the visualised product life cycle of OPNsense. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support. Figure: Release, patch and end-of-life cycle of product OPNsense (OPNsense)   The OPNsense Roadmap version naming system consists of year.month, so the first release took place in January 2015 -> release 15.1 In the event of minor releases within the same month an extra number will be added, like 24.1.2 We plan to use a 6 months major release cycle with firm release dates. Major release versions will have code names of animals, mountains or whatever we can think of that sounds good. Each release has a number, a code name and a release date. Product OPNsense Vendor OPNsense Latest version 25.7.1 Number of releases 25 Number of versions 386 Number of unstable versions 91 Number of versions affected by CVE 189 Licence BSD-2-Clause License Licence details https://api.github.com/licenses/bsd-2-clause Product site Release info Version command Wikipedia https://en.wikipedia.org/wiki/OPNsense