strimzi/strimzi-kafka-operator 0.21.0-rc1 on GitHub

Note: This version of Strimzi supports Kubernetes 1.16 and higher.

Add support for declarative management of connector plugins in Kafka Connect CR
Add inter.broker.protocol.version to the default configuration in example YAMLs
Add support for secretPrefix property for User Operator to prefix all secret names created from KafkaUser resource.
Allow configuring labels and annotations for Cluster CA certificate secrets
Add the JAAS configuration string in the sasl.jaas.config property to the generated secrets for KafkaUser with SCRAM-SHA-512 authentication.
Strimzi test-container has been renamed to strimzi-test-container to make the name more clear
Updated the CPU usage metric in the Kafka, ZooKeeper and Cruise Control dashboards to include the CPU kernel time (other than the current user time)
Allow disabling ownerReference on CA secrets
Make it possible to run Strimzi operators and operands with read-only root filesystem
Move from Docker Hub to Quay.io as our container registry
Add possibility to configure DeploymentStrategy for Kafka Connect, Kafka Mirror Maker (1 and 2), and Kafka Bridge
Support passing metrics configuration as an external ConfigMap
Enable CORS configuration for Cruise Control
Add support for rolling individual Kafka or ZooKeeper pods through the Cluster Operator using an annotation
Add support for Topology Spread Constraints in Pod templates
Make Kafka cluster-id (KIP-78) available on Kafka CRD status

All changes can be found under the 0.21.0 milestone.

The metrics field in the Strimzi custom resources has been deprecated and will be removed in the future. For configuring metrics, use the new metricsConfig field and pass the configuration via ConfigMap.