Couchbase Server 4.0 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Couchbase Server 4.0 reached end of life on 30 Apr 2017. It no longer receives security fixes.
Support timeline
Official dates from the Couchbase Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 Oct 2015 | — |
| End of life | 30 Apr 2017 | 9.3 years ago |
| Latest release | 4.0.0 · 6 Oct 2015 | final |
Where to go from 4.0
Recommended target: Couchbase Server 8.0 (supported until 31 Oct 2028).
The newest actively supported branch is Couchbase Server 8.0 (latest release 8.0.2).
Frequently asked questions
Is Couchbase Server 4.0 still safe to use?
Couchbase Server 4.0 reached end of life on 30 Apr 2017, 3,388 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Couchbase Server 4.0?
Yes — the final release (4.0.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Couchbase Server 4.0 to?
Upgrade to Couchbase Server 8.0, the newest actively supported branch (supported until 31 Oct 2028).