NixOS end-of-life dates and support status
As of 2026-10-08, the supported NixOS versions are 26.05.
| Version | Status | Released | Active support until | End of life | Latest |
|---|---|---|---|---|---|
| 26.05 Yarara | Supported | 2026-05-30 | — | 2026-12-31 | — |
| 25.11 Xantusia | End of life | 2025-11-30 | — | 2026-06-30 | — |
| 25.05 Warbler | End of life | 2025-05-23 | — | 2025-12-31 | — |
| 24.11 Vicuña | End of life | 2024-11-30 | — | 2025-06-30 | — |
| 24.05 Uakari | End of life | 2024-05-31 | — | 2024-12-31 | — |
| 23.11 Tapir | End of life | 2023-11-29 | — | 2024-06-30 | — |
| 23.05 Stoat | End of life | 2023-05-31 | — | 2023-12-31 | — |
| 22.11 Raccoon | End of life | 2022-11-30 | — | 2023-06-30 | — |
| 22.05 Quokka | End of life | 2022-05-30 | — | 2022-12-31 | — |
| 21.11 Porcupine | End of life | 2021-11-30 | — | 2022-06-30 | — |
| 21.05 Okapi | End of life | 2021-05-31 | — | 2021-12-31 | — |
| 20.09 Nightingale | End of life | 2020-10-27 | — | 2021-06-30 | — |
| 20.03 Markhor | End of life | 2020-04-20 | — | 2020-10-30 | — |
| 19.09 Loris | End of life | 2019-10-09 | — | 2020-04-30 | — |
| 19.03 Koi | End of life | 2019-04-11 | — | 2019-10-30 | — |
| 18.09 Jellyfish | End of life | 2018-10-05 | — | 2019-04-30 | — |
| 18.03 Impala | End of life | 2018-04-04 | — | 2018-10-30 | — |
| 17.09 Hummingbird | End of life | 2017-09-29 | — | 2018-04-30 | — |
| 17.03 Gorilla | End of life | 2017-03-31 | — | 2017-10-30 | — |
| 16.09 Flounder | End of life | 2016-09-30 | — | 2017-04-30 | — |
| 16.03 Emu | End of life | 2016-03-31 | — | 2016-10-30 | — |
| 15.09 Dingo | End of life | 2015-09-30 | — | 2016-04-30 | — |
| 14.12 Caterpillar | End of life | 2014-12-30 | — | 2015-09-30 | — |
| 14.04 Baboon | End of life | 2014-04-30 | — | 2015-01-31 | — |
| 13.10 Aardvark | End of life | 2013-10-31 | — | 2014-05-31 | — |
Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.
Frequently asked questions
Which NixOS versions are still supported?
As of 2026-10-08, the supported NixOS versions are 26.05. Versions not listed are end of life and no longer receive security fixes.
What is the latest NixOS version?
The newest NixOS release cycle is 26.05.
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