JRuby 9.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
JRuby 9.4 is actively supported. The vendor has not published an end-of-support date for this branch.
9.4.15.0 latest release
Check your versionjruby --version
Support timeline
Official dates from the JRuby release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Nov 2022 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 9.4.15.0 · 8 Jun 2026 | current |
Frequently asked questions
When does JRuby 9.4 reach end of life?
No end-of-life date has been announced for JRuby 9.4 yet.
Is JRuby 9.4 still supported?
Yes. JRuby 9.4 is currently maintained. Latest release: 9.4.15.0, published 8 Jun 2026.
What happens when JRuby 9.4 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 JRuby 9.4?
No end-of-life date has been announced yet.