We are planning to make use of Deployment Mgr on 7.4. By default this is having 4 stages, Dev, QA, STG and PROD. Why this limitation of only 4 environments and how to over come this. When thought of trying to extend, all of the corresponding rules are internal and final. We are having more than 4 environments, like STG1 and STG2 or Pre-PROD. Can we not make use of Deployment Mrg in our scenario.

Please suggest.

Thanks in advance.