jQuery UI 1.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
jQuery UI 1.12 reached end of life on 7 Oct 2021. It no longer receives security fixes.
1,767 days without security patches
Recommended action: upgrade to jQuery UI 1.14. Support timeline
Official dates from the jQuery UI release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 21 Apr 2016 | — |
| End of life | 7 Oct 2021 | 4.8 years ago |
| Latest release | 1.12.1 · 14 Sept 2016 | final |
Where to go from 1.12
Recommended target: jQuery UI 1.14.
The newest actively supported branch is jQuery UI 1.14 (latest release 1.14.2).
Frequently asked questions
Is jQuery UI 1.12 still safe to use?
jQuery UI 1.12 reached end of life on 7 Oct 2021, 1,767 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download jQuery UI 1.12?
Yes — the final release (1.12.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade jQuery UI 1.12 to?
Upgrade to jQuery UI 1.14, the newest actively supported branch.