jQuery 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
jQuery 1 reached end of life on —. It no longer receives security fixes.
0 days without security patches
Recommended action: upgrade to jQuery 4. Support timeline
Official dates from the jQuery release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Aug 2006 | — |
| End of life | — | years ago |
| Latest release | 1.12.4 · 20 May 2016 | final |
Where to go from 1
Recommended target: jQuery 4.
The newest actively supported branch is jQuery 4 (latest release 4.0.0).
Frequently asked questions
Is jQuery 1 still safe to use?
jQuery 1 reached end of life on —, 0 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download jQuery 1?
Yes — the final release (1.12.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade jQuery 1 to?
Upgrade to jQuery 4, the newest actively supported branch.