0.47.0-rc1

⚠️ Important: Strimzi 0.47 is the last Strimzi version with support for Kubernetes 1.25 and 1.26. From Strimzi 0.48.0 on, we will support only Kubernetes 1.27 and newer.

Main changes since 0.46

This release contains the following new features and improvements:

• Support for Kafka 3.9.1
• Progress tracking for Cruise Control rebalances
• Support for Kubernetes Image Volumes to mount custom plugins
• Support for JsonTemplateLayout in Operators, Cruise Control, and Kafka 4.0.0
• Support for Strimzi Metrics Reporter for the Kafka brokers / controllers

All changes can be found under the 0.47.0 milestone.

Maven artifacts

To test the Maven artifacts that are part of this release, use the 0.47.0-RC1 version in your pom.xml.

Upgrading from Strimzi 0.46.0

See the documentation for upgrade instructions.

Container images

The following container images are part of this release:

Name	Image
Operators	quay.io/strimzi/operator@sha256:589c4d63641d9a944462dd682f6e5febe8b38ff55b9253949b061aca16feb154
Apache Kafka 3.9.0	quay.io/strimzi/kafka@sha256:978e2ed5f0d315e8bf0ab0503ee839acbd9da01ca427e6581b59ac25d36bc9c9
Apache Kafka 3.9.1	quay.io/strimzi/kafka@sha256:8a793cdf5084cdb72c6663419530985158b16330a518720e9e9d1d96babbaf7e
Apache Kafka 4.0.0	quay.io/strimzi/kafka@sha256:551882f47a6d2dc8300bcfca251fffffc3379acb2724a7efe16f17c0c4f529fb
Strimzi Bridge	quay.io/strimzi/kafka-bridge@sha256:428c5587f547dabfc995a73745569d113380c7e6b8bf0b2504c6a9a00d6c4608
Kaniko executor	quay.io/strimzi/kaniko-executor@sha256:a5088c14d7b8bf1d336669cba047b971bf3ece8969647dae2c1e3a07a7be0c5e
Maven Builder	quay.io/strimzi/maven-builder@sha256:c67a3ad3d92420ac8b7f8435eeec53ebffaea4e894e65414a7c47c20e3faba27

New Contributors

• @gabriel-farache made their first contribution in #11424
• @marceloavan made their first contribution in #11434
• @leisma made their first contribution in #11408
• @rajith77 made their first contribution in #11439
• @danielvrog made their first contribution in #11441
• @StevenJDH made their first contribution in #11429
• @CodeReaper made their first contribution in #11533
• @rlanhellas made their first contribution in #11543
• @mdraevich made their first contribution in #11623

What's Changed

• Bump the main branch to Strimzi 0.47.0-SNAPSHOT by @ppatierno in #11378
• Fix missing jmx reporter by @ppatierno in #11379
• Add deploymentAnnotations to helm chart by @fork-twilio in #11376
• Fix and add some content to the release documentation by @ppatierno in #11383
• Bump test-clients to 0.11.0 by @im-konge in #11380
• Use more human-readable appender format for STs logs by @Frawless in #11377
• Update Fabric8 Kubernetes Client to 7.2.0 by @ppatierno in #11392
• docs(bridge): updates the deployment instructions for Kafka Bridge by @PaulRMellor in #11382
• docs(volumes): updates JBOD reassignment procedure to include volume cleanup step by @PaulRMellor in #11398
• Improved release doc around Azure pipelines on RCs by @ppatierno in #11396
• Add the 0.46.0 release to the main branch by @ppatierno in #11405
• [ST] Add Strimzi 0.46.0 to the upgrade/downgrade tests by @see-quick in #11419
• helm: Add unhealthyPodEvictionPolicy to PDB by @jcpunk in #11404
• [system test] [performance] Make from scheduler class singleton. by @see-quick in #11410
• docs(link cleanup): removes some unnecessary internal doc links by @PaulRMellor in #11420
• Fix doc after removal of the example/kraft folder by @gabriel-farache in #11424
• Fixed minor mistakes on the RELEASE doc by @ppatierno in #11428
• Remove .jenkins directory by @im-konge in #11431
• docs: custom registry and repository clarification by @marceloavan in #11434
• Fixed typo to define a shell block by @ppatierno in #11435
• feat(user-operator): provide possibility to configure key name of use… by @leisma in #11408
• Update ADOPTERS.md with Randoli by @rajith77 in #11439
• Update tiered storage doc for moving to GA by @showuon in #11423
• Improved release bundle documentation by @ppatierno in #11440
• docs(adopters): include AppsFlyer by @danielvrog in #11441
• Fix MirrorMaker 2 client rack init container override by @StevenJDH in #11429
• Add support for the Strimzi Metrics Reporter to Kafka brokers/controllers components by @OwenCorrigan76 in #11051
• chore: Minor formatting and style cleanups in ClusterOperator by @see-quick in #11436
• docs(tiered storage): updates storage considerations by @PaulRMellor in #11444
• Provide full qualified name for KubeRegistryProxy for s390x by @yasiribmcon in #11445
• Update assemblies and modules Docs for Metrics Reporter integration by @OwenCorrigan76 in #11329
• Enhance CI scripts to better work with arm runners and bump Minikube version by @Frawless in #11443
• Bump Jaeger version to 1.65.0 to make tests working on Kube 1.33 by @Frawless in #11460
• docs(fix): fixes some broken links in the doc by @PaulRMellor in #11454
• Update Minikube version to 1.36.0 by @im-konge in #11474
• [system test] Update TESTING.md doc by @see-quick in #11471
• Added support for Apache Kafka 3.9.1 by @ppatierno in #11469
• [ST] Update Cert Manager to 1.17 and Jaeger to 2.6 in system tests by @Frawless in #11479
• Update to Vert.x 5 by @ppatierno in #11374
• Fixed adding new Kafka versions documentation by @ppatierno in #11482
• [system test] [doc] MirrorMaker2ST by @see-quick in #11473
• Allow us to change control and worker nodes count via env vars, bump Kind version by @Frawless in #11458
• Update different dependencies - Kaniko, Fabric8, JMX Exporter, Maven builder by @scholzj in #11492
• Moved to use the Sonatype Central Portal by @ppatierno in #11493
• Use sudo for docker manupulation in Kind script by @Frawless in #11497
• Add note/warning about Kubernetes 1.25 and 1.26 support removal by @im-konge in #11498
• Added project names for the ones to be published to Maven Central by @ppatierno in #11501
• Add support for Image Volumes by @scholzj in #11467
• docs(kraft): clarifies static quorum limit applies to new deployments by @PaulRMellor in #11505
• [ST] Add systemtest with user specific configuraton for ssl.* fields for custom type of listener by @Frawless in #11500
• Adding progress updates for Cruise Control rebalances by @kyguy in #11348
• [ST] Fix testSendMessagesCustomListenerTlsCustomization by @im-konge in #11515
• Refactor Ca and CaReconciler by @katheris in #11400
• [ST] Integrate Test-Frame into our test-suite by @im-konge in #11507
• docs(certs): clarify maintenanceTimeWindows scope for custom certs by @PaulRMellor in #11457
• Use PEM certificates loaded from secrets for KafkaConnect by @tinaselenge in #11198
• [ST] Fix methods used in the ConnectST by @im-konge in #11523
• Fix broken link to KRaft migration in CHANGELOG by @scholzj in #11530
• Correct helm value path for enabling dashboards by @CodeReaper in #11533
• docs(deploying): typo on topologySpreadConstraints field by @marceloavan in #11522
• docs(metrics): updates for kafka exporter by @PaulRMellor in #11520
• docs(overview): clarifies role of the entity operator by @PaulRMellor in #11540
• docs(node pools): adds a description of node pools to the overview by @PaulRMellor in #11550
• Release RC artifacts to Sonatype Maven central directly by @im-konge in #11554
• Create all CA secrets in parallel instead of chaining futures by @katheris in #11527
• [system test] [doc] Olm package by @see-quick in #11496
• MINOR: Fix example readme by @fvaleri in #11565
• feat(examples,metrics,kube-state-metrics): extend configmap for 'KafkaConnect', 'KafkaConnector' and 'KafkaMirrorMaker2' by @sebastiangaiser in #11354
• docs(overview): describes deployment options in overview by @PaulRMellor in #11559
• Added link to the OLM section on documentation release by @ppatierno in #11574
• docs(headings): adds attribute for links on headings by @PaulRMellor in #11576
• [ST] Fix setup Minio and freeze Minio version by @im-konge in #11586
• Bumped Vert.x 5.0.1 with Netty 4.2.2 by @ppatierno in #11589
• Add 0.46.1 release to main by @katheris in #11591
• Use a generic maintainer placeholder to avoid adding individual people to it by @scholzj in #11594
• ST: Remove uneccessary logging from STs that makes the log a little bit messy by @Frawless in #11593
• add note in doc to mention no controller scale up/down supported by @showuon in #11598
• ST: Use Semaphore instead of thread.sleep() to make it more memory efficient by @Frawless in #11592
• feat(cluster-operator) adding new JsonTemplateLayout support for logging by @rlanhellas in #11543
• Roll controller-only nodes when tiered storage is enabled or disabled by @scholzj in #11602
• [system test] [perf] memory/executor/wrong exception type fixes by @see-quick in #11608
• Bump test-frame to 1.0.0 by @im-konge in #11604
• Improvements to release docs by @katheris in #11606
• Strimzi test container 0.111.0 by @see-quick in #11544
• Avoid infinite reconciliation loop of Ingress resources on Rancher by @scholzj in #11597
• Various Java cleanups in systemtest by @mimaison in #11620
• Add Drain Cleaner 1.4.0 to the Operators repository by @im-konge in #11625
• Split vendors and users in ADOPTERS.md file by @scholzj in #11621
• Ignore user config provider aliases with conflict by @MichaelMorrisEst in #11486
• add option to use targetPortName in create service port function by @KyriosGN0 in #11510
• Various Java cleanups in topic-operator by @mimaison in #11618
• docs(overview): description list of strimzi advantages by @PaulRMellor in #11599
• Speedup test runs by enabling asyncDeletion of deployed resources by @kornys in #11626
• Validate volume name when injecting trusted certificates + add corresponding tests by @mdraevich in #11623
• Add documentation for tracking progress of Cruise Control rebalances. by @kyguy in #11529