Jekyll 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Jekyll 1 reached end of life on 7 May 2014. It no longer receives security fixes.
4,534 days without security patches
Recommended action: upgrade to Jekyll 4. Support timeline
Official dates from the Jekyll release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 May 2013 | 13y 5mo ago |
| Active Maintenance ended | 7 May 2014 | 12y 5mo ago |
| Latest release | 1.5.1 · 28 Mar 2014 | final |
Where to go from 1
Recommended target: Jekyll 4.
The newest actively supported branch is Jekyll 4 (latest release 4.4.1).
Frequently asked questions
Is Jekyll 1 still safe to use?
Jekyll 1 reached end of life on 7 May 2014, 4,534 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Jekyll 1?
Yes — the final release (1.5.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Jekyll 1 to?
Upgrade to Jekyll 4, the newest actively supported branch.