NumPy 1.26 End of Life
Support dates and upgrade guidance — rebuilt from live data.
NumPy 1.26 reached end of life on 17 Sept 2025. It no longer receives security fixes.
Support timeline
Official dates from the NumPy release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Sept 2023 | — |
| End of life | 17 Sept 2025 | 0.9 years ago |
| Latest release | 1.26.4 · 5 Feb 2024 | final |
Where to go from 1.26
Recommended target: NumPy 2.5 (supported until 22 Jun 2028).
The newest actively supported branch is NumPy 2.5 (latest release 2.5.1).
Frequently asked questions
Is NumPy 1.26 still safe to use?
NumPy 1.26 reached end of life on 17 Sept 2025, 326 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download NumPy 1.26?
Yes — the final release (1.26.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade NumPy 1.26 to?
Upgrade to NumPy 2.5, the newest actively supported branch (supported until 22 Jun 2028).