jQuery 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
jQuery 4 is actively supported. The vendor has not published an end-of-support date for this branch.
4.0.0 latest release
Support timeline
Official dates from the jQuery release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 Jan 2026 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 4.0.0 · 17 Jan 2026 | current |
Frequently asked questions
When does jQuery 4 reach end of life?
No end-of-life date has been announced for jQuery 4 yet.
Is jQuery 4 still supported?
Yes. jQuery 4 is currently maintained. Latest release: 4.0.0, published 17 Jan 2026.
What happens when jQuery 4 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from jQuery 4?
No end-of-life date has been announced yet.