ESLint 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
ESLint 4 reached end of life on 22 Dec 2018. It no longer receives security fixes.
2,787 days without security patches
Recommended action: upgrade to ESLint 10. Support timeline
Official dates from the ESLint release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 11 Jun 2017 | — |
| End of life | 22 Dec 2018 | 7.6 years ago |
| Active support ended | 22 Jun 2018 | security fixes only after this |
| Latest release | 4.19.1 · 22 Mar 2018 | final |
Where to go from 4
Recommended target: ESLint 10.
The newest actively supported branch is ESLint 10 (latest release 10.8.1).
Frequently asked questions
Is ESLint 4 still safe to use?
ESLint 4 reached end of life on 22 Dec 2018, 2,787 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ESLint 4?
Yes — the final release (4.19.1) 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 4 to?
Upgrade to ESLint 10, the newest actively supported branch.