The CA WA Agent 11.4 has been released. It is suggested to upgrade your 11.3 Agents to 11.4.
Is CA WA Agent 11.4 Agent compatible with CA Workload Automation DE?
CA Workload Automation DE 11.3/12
CA Workload Automation System Agent 11.4
The CA WA Agent 11.4 will work with current versions of CA WA DE.
When adding a new agent select 11.3 agent in the Topology.