ESLint 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
ESLint 1 reached end of life on 12 Aug 2016. It no longer receives security fixes.
3,649 days without security patches
Recommended action: upgrade to ESLint 10. Support timeline
Official dates from the ESLint release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Jul 2015 | — |
| End of life | 12 Aug 2016 | 10.0 years ago |
| Active support ended | 12 Feb 2016 | security fixes only after this |
| Latest release | 1.10.3 · 1 Dec 2015 | final |
Where to go from 1
Recommended target: ESLint 10.
The newest actively supported branch is ESLint 10 (latest release 10.8.1).
Frequently asked questions
Is ESLint 1 still safe to use?
ESLint 1 reached end of life on 12 Aug 2016, 3,649 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ESLint 1?
Yes — the final release (1.10.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade ESLint 1 to?
Upgrade to ESLint 10, the newest actively supported branch.