1. Proposed title of this feature request

Support of EUS-to-EUS upgrades via ACM

2. What is the nature and description of the request?

Support of EUS-to-EUS upgrades via ACM

3. Why does the customer need this? (List the business requirements here)

Customers are heavily reliant on ACM to upgrade their clusters both on-prem (vSphere) and in the cloud and want to reduce their downtime window, especially on larger clusters 50+ nodes

4. List any affected packages or components.

ACM
OpenShift 4.12+