Apache Cassandra 3.11 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Apache Cassandra 3.11 reached end of life on 5 Sept 2024. It no longer receives security fixes.
Support timeline
Official dates from the Apache Cassandra release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Jun 2017 | — |
| End of life | 5 Sept 2024 | 1.9 years ago |
| Latest release | 3.11.19 · 7 Feb 2025 | final |
Where to go from 3.11
Recommended target: Apache Cassandra 5.0.
The newest actively supported branch is Apache Cassandra 5.0 (latest release 5.0.9).
Frequently asked questions
Is Apache Cassandra 3.11 still safe to use?
Apache Cassandra 3.11 reached end of life on 5 Sept 2024, 703 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Apache Cassandra 3.11?
Yes — the final release (3.11.19) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Apache Cassandra 3.11 to?
Upgrade to Apache Cassandra 5.0, the newest actively supported branch.