MM2 exactly once support

[khartld]

Hello,
I'm currently exploring how to run MM2 with exactly once source connector support via the Strimzi KafkaMirrorMaker2 resource, but my knowledge about the connect framework is limited and the documentation feels a bit convoluted.

My current configuration looks like this:

apiVersion: kafka.strimzi.io/v1beta2
kind: KafkaMirrorMaker2
metadata:
  labels:
  name: strimzi-mirrormaker
spec:
  clusters:
    - alias: source
      bootstrapServers: 'source:9092'
    - alias: target
      bootstrapServers: 'target:9092'
      config: # config for cluster specified in connectCluster gets forwarded to Kafka Connect config
          exactly.once.source.support: enabled # This is important so Kafka Connect has support enabled and workers are started as ExactlyOnceWorkerSourceTask 
  connectCluster: target
  mirrors:
    - sourceCluster: source
      targetCluster: target
      checkpointConnector:
        config:
          consumer.isolation.level: read_committed # This might not be necessary
      heartbeatConnector:
        config:
          consumer.isolation.level: read_committed # This might not be necessary
      sourceConnector:
        config:
          consumer.isolation.level: read_committed # This is important so only committed messages are mirrored and only committed offsets in mirrormaker2-cluster-offsets are read
          exactly.once.support: required # This might not be necessary
  version: 3.5.1

Would this setup be sufficient and can I get rid of the marked configuration values?
And are there already plans to add this exactly once support as a configuration option directly in the resource? (I'm thinking about adding a flag that automatically sets up the required properties)

Thanks for your help and insights!
Kay