Apache Cassandra 4.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Apache Cassandra 4.1 is actively supported. The vendor has not published an end-of-support date for this branch.
4.1.12 latest release
Support timeline
Official dates from the Apache Cassandra release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 13 Dec 2022 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 4.1.12 · 7 Aug 2026 | current |
Frequently asked questions
When does Apache Cassandra 4.1 reach end of life?
No end-of-life date has been announced for Apache Cassandra 4.1 yet.
Is Apache Cassandra 4.1 still supported?
Yes. Apache Cassandra 4.1 is currently maintained. Latest release: 4.1.12, published 7 Aug 2026.
What happens when Apache Cassandra 4.1 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 Cassandra 4.1?
No end-of-life date has been announced yet.