Apache Lucene 9 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Apache Lucene 9 is actively supported. The vendor has not published an end-of-support date for this branch.
9.12.3 latest release
Support timeline
Official dates from the Apache Lucene release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 7 Dec 2021 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 9.12.3 · 28 Sept 2025 | current |
Frequently asked questions
When does Apache Lucene 9 reach end of life?
No end-of-life date has been announced for Apache Lucene 9 yet.
Is Apache Lucene 9 still supported?
Yes. Apache Lucene 9 is currently maintained. Latest release: 9.12.3, published 28 Sept 2025.
What happens when Apache Lucene 9 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 Apache Lucene 9?
No end-of-life date has been announced yet.