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strimzi-kafka-operator-helm-3-chart-0.50.0.tgz 2026-01-18 174.2 kB
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0.50.0 source code.tar.gz 2026-01-14 5.7 MB
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0.50.0 source code.zip 2026-01-14 7.9 MB
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README.md 2026-01-14 4.4 kB
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⚠️ IMPORTANT: Strimzi 0.49 introduced new API version v1 to all Strimzi custom resources. * Make sure to Upgrade the CRDs) as part of the Strimzi upgrade as well (especially when using Helm). * The old API versions (v1alpha1, v1beta1, and v1beta2) will continue to be supported until Strimzi 1.0.0 / 0.52.0. * Before upgrading to Strimzi 0.50.0, make sure that you update your KafkaUser resources to use the .spec.authorization.acls[]operations field instead of the deprecated .spec.authorization.acls[]operation. * For more details about the migration to the v1 API and CRD upgrades, see the documentation.

Main changes since 0.49

This release contains the following new features and improvements:

  • Use Java 21 as the runtime and language level
  • Support for Linux user namespaces in Strimzi Pods through the hostUsers Pod option

All changes can be found under the 0.50.0 milestone.

Major changes, deprecations, and removals

There are also many important changes, deprecations, and removals:

  • Strimzi Operators are now using Java 21 as the runtime and language level. The only exceptions are the api, test, crd-annotations, and crd-generator modules, which use Java 11 as the language level for compatibility with older Java versions. These modules will remain using the Java 11 language level up to and including Strimzi 0.51. They will move to Java 21 language level in Strimzi 1.0.0. If you use one of these modules as a dependency in your Java project, you will need to upgrade to Java 21 as well.
  • connector.plugin.version option is now forbidden in KafkaConnect CR in .spec.config and in KafkaMirrorMaker2 CR in .spec.mirrors[].sourceConnector.config and .spec.mirrors[].checkpointConnector.config. Please use the dedicated version field instead.

Maven artifacts

To test the Maven artifacts that are part of this release, use the 0.50.0 version in your pom.xml.

Upgrading from Strimzi 0.49.0

See the documentation for upgrade instructions.

Container images

The following container images are part of this release:

Name Image
Operators quay.io/strimzi/operator@sha256:97289bc755096a98f59d5858c06082d374b9605b846b0a10c0682f404a06f5bc
Apache Kafka 4.0.0 quay.io/strimzi/kafka@sha256:ee4f72c493d9f165c1aad321b2f5eba11b282674de4d061ca0791ed8a2a182b1
Apache Kafka 4.0.1 quay.io/strimzi/kafka@sha256:bb7eb4025c24615e07bd6c0f96178465c4497300c17e614678453615b93fc158
Apache Kafka 4.1.0 quay.io/strimzi/kafka@sha256:b56a63be11e1bf520a7024e0db701a0e53bc907d590ee2ac00402f58d8156d0f
Apache Kafka 4.1.1 quay.io/strimzi/kafka@sha256:015ca88119b94649725df6d9f233d5815db26f3bee37d17db0f2cbc80f4bd95b
Strimzi Bridge quay.io/strimzi/kafka-bridge@sha256:b09290eb1e97c054c5b8c376d2cc012f4981e7e87dded14c7ce559d09495e223
Kaniko executor quay.io/strimzi/kaniko-executor@sha256:a5088c14d7b8bf1d336669cba047b971bf3ece8969647dae2c1e3a07a7be0c5e
Maven Builder quay.io/strimzi/maven-builder@sha256:d826f239e71cdcf514a5f8568c09c16982f05ae7c25b772665766d39dedf268c
Buildah builder quay.io/strimzi/buildah@sha256:ba89470b45a49e5e09aaab91a5c3c03ecb14f9013d598bc14b3d756eb9a145b4

New Contributors

Source: README.md, updated 2026-01-14