NixOS End of Life (EOL) Dates and End of Support (EOS) Dates
23 NixOS versions have reached End of Life (EOL) and End of Support (EOS), including NixOS 25.05 Warbler (EOL date: Dec 31, 2025) — no longer receiving security updates or patches. NixOS 25.11 Xantusia is the current supported release, with support through Jun 30, 2026. Also see antiX Linux EOSL dates for related end-of-life information.
Currently Supported NixOS Releases - Active EOS/EOSL Support (1)
| Release | Released | Security Support |
|---|---|---|
| 25.11 'Xantusia' | (5 months ago) | (in 1 month and 4 days) |
NixOS End of Life (EOL) Releases - No Longer Supported (23)
| Release | Released | Security Support |
|---|---|---|
| 25.05 'Warbler' | (1 year ago) | (4 months ago) |
| 24.11 'Vicuña' | (1 year and 5 months ago) | (10 months ago) |
| 24.05 'Uakari' | (1 year and 11 months ago) | (1 year and 4 months ago) |
| 23.11 'Tapir' | (2 years and 5 months ago) | (1 year and 10 months ago) |
| 23.05 'Stoat' | (2 years and 11 months ago) | (2 years and 4 months ago) |
| 22.11 'Raccoon' | (3 years and 5 months ago) | (2 years and 10 months ago) |
| 22.05 'Quokka' | (3 years and 11 months ago) | (3 years and 4 months ago) |
| 21.11 'Porcupine' | (4 years and 5 months ago) | (3 years and 10 months ago) |
| 21.05 'Okapi' | (4 years and 11 months ago) | (4 years and 4 months ago) |
| 20.09 'Nightingale' | (5 years and 6 months ago) | (4 years and 10 months ago) |
| 20.03 'Markhor' | (6 years and 1 month ago) | (5 years and 6 months ago) |
| 19.09 'Lori' | (6 years and 7 months ago) | (6 years ago) |
| 19.03 'Koi' | (7 years and 1 month ago) | (6 years and 6 months ago) |
| 18.09 'Jellyfish' | (7 years and 7 months ago) | (7 years ago) |
| 18.03 'Impala' | (8 years and 1 month ago) | (7 years and 6 months ago) |
| 17.09 'Hummingbird' | (8 years and 7 months ago) | (8 years ago) |
| 17.03 'Gorilla' | (9 years and 1 month ago) | (8 years and 6 months ago) |
| 16.09 'Flounder' | (9 years and 7 months ago) | (9 years ago) |
| 16.03 'Emu' | (10 years and 1 month ago) | (9 years and 6 months ago) |
| 15.09 'Dingo' | (10 years and 7 months ago) | (10 years ago) |
| 14.12 'Caterpillar' | (11 years and 4 months ago) | (10 years and 7 months ago) |
| 14.04 'Baboon' | (12 years ago) | (11 years and 3 months ago) |
| 13.10 'Aardvark' | (12 years and 6 months ago) | (11 years and 11 months ago) |
NixOS End of Life & Support Summary
Which NixOS Versions Are Currently Supported?
NixOS currently has 1 supported release. NixOS 25.11 Xantusia is the latest, with active support through Jun 30, 2026. Also see Ubuntu end of support life for related end-of-life information.
NixOS End of Life (EOL) Version History
23 NixOS releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. NixOS 25.05 Warbler reached EOL on Dec 31, 2025. NixOS 25.11 Xantusia is the recommended upgrade for users still on End of Life versions.