Apache Cassandra End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 5.0.9 (August 07, 2026)

2 Apache Cassandra versions have reached End of Life (EOL) and End of Support (EOS), including Apache Cassandra 3.11 (EOL date: Sep 05, 2024) — no longer receiving security updates or patches. Apache Cassandra 5.0.9 is the current supported release — 3 versions in active support. Also see Apache Airflow lifecycle dates for related end-of-life information.

Apache Cassandra end of life dates timeline — release schedule chart of the 5 most recent Apache Cassandra versions, mapping security support windows against their EOL dates — Apache Cassandra end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 5 most recent Apache Cassandra releases. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Apache Cassandra EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported Apache Cassandra Releases - Active EOS/EOSL Support (3)

Release	Released	Security Support	Latest
5.0	Sep 05, 2024 (1 year and 11 months ago)	Active	5.0.9 2026-08-07 (2 weeks and 2 days ago)
4.1	Dec 13, 2022 (3 years and 8 months ago)	Active	4.1.12 2026-08-07 (2 weeks and 2 days ago)
4.0	Jul 26, 2021 (5 years ago)	Active	4.0.21 2026-08-07 (2 weeks and 2 days ago)

Apache Cassandra End of Life (EOL) Releases - No Longer Supported (2)

Release	Released	Security Support	Latest
3.11	Jun 23, 2017 (9 years and 2 months ago)	Sep 05, 2024 (1 year and 11 months ago)	3.11.19 2025-02-07 (1 year and 6 months ago)
3.0	Nov 09, 2015 (10 years and 9 months ago)	Sep 05, 2024 (1 year and 11 months ago)	3.0.32 2025-02-07 (1 year and 6 months ago)

Apache Cassandra End of Life & Support Summary

Which Apache Cassandra Versions Are Currently Supported?

Apache Cassandra currently has 3 supported releases. Apache Cassandra 5.0.9 is the latest. Apache Cassandra 4.1. Also see Apache Lucene end of support life for related end-of-life information.

Apache Cassandra End of Life (EOL) Version History

2 Apache Cassandra releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Apache Cassandra 3.11 reached EOL on Sep 05, 2024. Apache Cassandra 5.0.9 is the recommended upgrade for users still on End of Life versions.