When we started down the path of creating a Red Hat OpenShift Operator certification for partners, after a few calls it quickly came to our attention that there were a lot of moving parts that developers needed to know about prior to beginning the certification workflow.
Using the Partner Connect API is recommended for large products that are made up of tens or hundreds of container images. This article explains how to use it.
Beginning with Kubernetes 1.16, the Kubernetes project periodically deprecates and removes APIs from the platform in order to maintain a clean, high functioning set of APIs.