...
All storage related to the new agents is in Kafka. This includes transactions and backend working storage.
Workflows containing these new agents can be scaled without any configuration changes. The system will automatically handle the re-balancing of which workflows use which partition.
You cannot mix standard Inter WF agents with scaling Inter WF agents in the same workflow. This is because workflows with standard Inter WF agents save the state in
Usage Engine and workflows with batch agents save the state in Kafka.
...