Apache Cassandra 3.1 lifecycle
Current status
Apache Cassandra 3.1 reached end of life on 22 Jul 2021. Security and bug fixes are no longer provided by the project according to published lifecycle data.
This line is end of life.
Plan your upgrade →Official lifecycle source: Apache Cassandra Downloads
- Support phase
- end of life
- End of life
- 22 Jul 2021
- Latest release
- 3.1.1
- Released
- 14 Dec 2015
At a glance
- Version line
- 3.1
- Initial release
- 14 Dec 2015
- Lifecycle phase
- end of life
- Latest stable
- 3.1.1
- Latest release date
- 14 Dec 2015
- EOL
- 22 Jul 2021
- Risk
- high
- Releases tracked
- 1
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
14 Dec 2015
standard support
14 Dec 2015 → 22 Jul 2021
Source: Apache Cassandra Downloads
end of lifecurrent
22 Jul 2021 → —
Source: Apache Cassandra Downloads
Apache Cassandra 3.1 reached end of life on 22 Jul 2021. Security and bug fixes are no longer provided by the project according to published lifecycle data.
Upgrade options
Newer supported Apache Cassandra version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on Apache Cassandra 3.1
End of lifeEOL 22 July 2021
Supported upgrade options
- Apache Cassandra 5.0Upgrade planner →Supported· 2 major versions newer
- Apache Cassandra 4.1Upgrade planner →Supported· 1 major version newer
- Apache Cassandra 4.0Upgrade planner →Supported· 1 major version newer
Latest release
Release history
1 concrete release tracked for this line.
| Version | Release date | Channel | Source |
|---|---|---|---|
| 3.1.1 | 14 Dec 2015 | stable | Source |
Release activity
- Total releases
- 1
- Last 30 days
- 0
- Last 90 days
- 0
- Most recent
- 14 Dec 2015
Should I use this version?
Not recommended for new deployments
Upgrade to a currently supported release line. Recommended target: Apache Cassandra 5.0.
Version comparison
Compact comparison against the nearest relevant release lines.
Sources
Where this information comes from.
Lifecycle sources
- Apache Cassandra Downloadsfirst party · high confidence
Official source: https://cassandra.apache.org/_/download.html
Last verified 2 Sept 2026
- Apache Cassandra Java Requirementsfirst party
Official source: https://github.com/apache/cassandra/blob/trunk/NEWS.txt
Verification time not recorded
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
- OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
Release sources
- Apache Cassandra Downloadsfirst party · high confidence
Official source: https://cassandra.apache.org/_/download.html
Last verified 2 Sept 2026
- Apache Cassandra GitHub Tagsfirst party
Official source: https://github.com/apache/cassandra/tags
Verification time not recorded
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 1
- Lifecycle periods
- 2
- EOL
- Known
- Provenance records
- 3
- Data last checked
- 2 Sept 2026
- Latest source update
- 2 Sept 2026