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 26.05 Yarara is the current supported release, with support through Dec 31, 2026 — 2 versions in active support. Also see antiX Linux EOSL dates for related end-of-life information.
Currently Supported NixOS Releases - Active EOS/EOSL Support (2)
| Release | Released | Security Support |
|---|---|---|
| 26.05 'Yarara' | (6 days ago) | (in 6 months) |
| 25.11 'Xantusia' | (6 months ago) | (in 3 weeks and 4 days) |
NixOS End of Life (EOL) Releases - No Longer Supported (23)
| Release | Released | Security Support |
|---|---|---|
| 25.05 'Warbler' | (1 year ago) | (5 months ago) |
| 24.11 'Vicuña' | (1 year and 6 months ago) | (11 months ago) |
| 24.05 'Uakari' | (2 years ago) | (1 year and 5 months ago) |
| 23.11 'Tapir' | (2 years and 6 months ago) | (1 year and 11 months ago) |
| 23.05 'Stoat' | (3 years ago) | (2 years and 5 months ago) |
| 22.11 'Raccoon' | (3 years and 6 months ago) | (2 years and 11 months ago) |
| 22.05 'Quokka' | (4 years ago) | (3 years and 5 months ago) |
| 21.11 'Porcupine' | (4 years and 6 months ago) | (3 years and 11 months ago) |
| 21.05 'Okapi' | (5 years ago) | (4 years and 5 months ago) |
| 20.09 'Nightingale' | (5 years and 7 months ago) | (4 years and 11 months ago) |
| 20.03 'Markhor' | (6 years and 1 month ago) | (5 years and 7 months ago) |
| 19.09 'Lori' | (6 years and 7 months ago) | (6 years and 1 month ago) |
| 19.03 'Koi' | (7 years and 1 month ago) | (6 years and 7 months ago) |
| 18.09 'Jellyfish' | (7 years and 8 months ago) | (7 years and 1 month ago) |
| 18.03 'Impala' | (8 years and 2 months ago) | (7 years and 7 months ago) |
| 17.09 'Hummingbird' | (8 years and 8 months ago) | (8 years and 1 month ago) |
| 17.03 'Gorilla' | (9 years and 2 months ago) | (8 years and 7 months ago) |
| 16.09 'Flounder' | (9 years and 8 months ago) | (9 years and 1 month ago) |
| 16.03 'Emu' | (10 years and 2 months ago) | (9 years and 7 months ago) |
| 15.09 'Dingo' | (10 years and 8 months ago) | (10 years and 1 month ago) |
| 14.12 'Caterpillar' | (11 years and 5 months ago) | (10 years and 8 months ago) |
| 14.04 'Baboon' | (12 years and 1 month ago) | (11 years and 4 months ago) |
| 13.10 'Aardvark' | (12 years and 7 months ago) | (12 years ago) |
NixOS End of Life & Support Summary
Which NixOS Versions Are Currently Supported?
NixOS currently has 2 supported releases. NixOS 26.05 Yarara is the latest, with active support through Dec 31, 2026. NixOS 25.11 'Xantusia' is also supported until Jun 30, 2026. Also see Fedora Linux end of life dates 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 26.05 Yarara is the recommended upgrade for users still on End of Life versions.