Source-backed version compatibility
Strimzi Kafka Operator Apache Kafka version compatibility. Strimzi 1.2.0 marks Apache Kafka 4.2.0, 4.2.1, 4.3.0, and 4.3.1 as supported.
Quick answer
Supported and tested versions have compatibility evidence. Recommended and bundled versions describe upstream choices without establishing compatibility. Versions outside the documented coverage are unknown, not necessarily incompatible.
Supported Apache Kafka versions
Strimzi 1.2.0 marks Apache Kafka 4.2.0, 4.2.1, 4.3.0, and 4.3.1 as supported.
Apache Kafka 4.3.1 is the default version for this Strimzi release.
high confidence · verified 2026-10-08 · managed Kafka cluster
Supported Apache Kafka versions
Strimzi 1.1.0 marks Apache Kafka 4.2.0, 4.2.1, and 4.3.0 as supported.
Apache Kafka 4.3.0 is the default version for this Strimzi release.
high confidence · verified 2026-10-08 · managed Kafka cluster
Supported Apache Kafka versions
Strimzi 1.0.1 marks Apache Kafka 4.1.0, 4.1.1, 4.1.2, and 4.2.0 as supported.
Apache Kafka 4.2.0 is the default version for this Strimzi release.
high confidence · verified 2026-10-08 · managed Kafka cluster
Supported Apache Kafka versions
Strimzi 0.51.0 marks Apache Kafka 4.1.0, 4.1.1, and 4.2.0 as supported.
Apache Kafka 4.2.0 is the default version for this Strimzi release.
high confidence · verified 2026-10-08 · managed Kafka cluster
Primary evidence
Every constraint above is backed by upstream documentation, tagged source, release notes, or another project-owned primary source.
compatibility.fyi