NixOS End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all NixOS versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 13.10 | — | Oct 31, 2013 | May 31, 2014 | 4406 days past EOL | EOL |
| 14.04 | — | Apr 30, 2014 | Jan 31, 2015 | 4161 days past EOL | EOL |
| 14.12 | — | Dec 30, 2014 | Sep 30, 2015 | 3919 days past EOL | EOL |
| 15.09 | — | Sep 30, 2015 | Apr 30, 2016 | 3706 days past EOL | EOL |
| 16.03 | — | Mar 31, 2016 | Oct 30, 2016 | 3523 days past EOL | EOL |
| 16.09 | — | Sep 30, 2016 | Apr 30, 2017 | 3341 days past EOL | EOL |
| 17.03 | — | Mar 31, 2017 | Oct 30, 2017 | 3158 days past EOL | EOL |
| 17.09 | — | Sep 29, 2017 | Apr 30, 2018 | 2976 days past EOL | EOL |
| 18.03 | — | Apr 4, 2018 | Oct 30, 2018 | 2793 days past EOL | EOL |
| 18.09 | — | Oct 5, 2018 | Apr 30, 2019 | 2611 days past EOL | EOL |
| 19.03 | — | Apr 11, 2019 | Oct 30, 2019 | 2428 days past EOL | EOL |
| 19.09 | — | Oct 9, 2019 | Apr 30, 2020 | 2245 days past EOL | EOL |
| 20.03 | — | Apr 20, 2020 | Oct 30, 2020 | 2062 days past EOL | EOL |
| 20.09 | — | Oct 27, 2020 | Jun 30, 2021 | 1819 days past EOL | EOL |
| 21.05 | — | May 31, 2021 | Dec 31, 2021 | 1635 days past EOL | EOL |
| 21.11 | — | Nov 30, 2021 | Jun 30, 2022 | 1454 days past EOL | EOL |
| 22.05 | — | May 30, 2022 | Dec 31, 2022 | 1270 days past EOL | EOL |
| 22.11 | — | Nov 30, 2022 | Jun 30, 2023 | 1089 days past EOL | EOL |
| 23.05 | — | May 31, 2023 | Dec 31, 2023 | 905 days past EOL | EOL |
| 23.11 | — | Nov 29, 2023 | Jun 30, 2024 | 723 days past EOL | EOL |
| 24.05 | — | May 31, 2024 | Dec 31, 2024 | 539 days past EOL | EOL |
| 24.11 | — | Nov 30, 2024 | Jun 30, 2025 | 358 days past EOL | EOL |
| 25.05 | — | May 23, 2025 | Dec 31, 2025 | 174 days past EOL | EOL |
| 25.11 | — | Nov 30, 2025 | Jun 30, 2026 | 7 days remaining | Warning |
| 26.05 | — | May 30, 2026 | Dec 31, 2026 | 191 days remaining | Active |
What does NixOS end of life mean for your organization?
When a version of NixOS reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL NixOS should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL NixOS versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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