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OPNsense lifecycle guide

All releases, patches, maintenance and support periods at a glance

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What is OPNsense?

Automate product release and end-of-life managementThe OPNsense project invites developers to start contributing to the code base. For your own purposes or – even better – to join us in creating the best open source firewall available.
 

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.
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Figure: Release, patch and end-of-life cycle of product OPNsense (OPNsense)
 

What is the OPNsense release strategy?

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.

Facts and figures about OPNsense

Product
OPNsense
Vendor
OPNsense
Latest version
25.1.8
Number of releases
24
Number of versions
375
Number of unstable versions
86
Number of versions affected by CVE
189
Licence
BSD-2-Clause License
Last verification date
2025-06-16
 
 

Questions or interested? Talk to me!


Lukas Böttcher
Lukas Böttcher
Business Development Manager
P:  +49-30-221986-51
LinkedIn


Keywords 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  

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