end-of-life.org

Apache Kafka 3.5 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Apache Kafka 3.5 reached end of life on 3 Oct 2023. It no longer receives security fixes.

1,041 days without security patches
Recommended action: upgrade to Apache Kafka 4.3.
Check your version${KAFKA_HOME}/bin/kafka-topics.sh --version

Support timeline

Official dates from the Apache Kafka release process.

MilestoneDateStatus
Initial release13 Jun 2023
End of life 3 Oct 2023 2.9 years ago
Extended support ends25 Aug 2025 over
Latest release3.5.2 · 8 Dec 2023 final

Where to go from 3.5

Recommended target: Apache Kafka 4.3.

The newest actively supported branch is Apache Kafka 4.3 (latest release 4.3.1).

Frequently asked questions

Is Apache Kafka 3.5 still safe to use?

Apache Kafka 3.5 reached end of life on 3 Oct 2023, 1,041 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Apache Kafka 3.5?

Yes — the final release (3.5.2) 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 Kafka 3.5 to?

Upgrade to Apache Kafka 4.3, the newest actively supported branch.

All Apache Kafka versions