A detailed explanation of why and what to do now can be found at the Red Hat Blog.
If you have questions that aren't answered here, please email atopathways@redhat.com.
If you're looking for help seeking bodies of evidence to assist with your ATO of a supported Red Hat product, please see the appropriate documentation page for compliance automation and configuration for that product.
The structure that is used to generate compliance automation is now more closely aligned to the compliance frameworks from which that automation is defined. For more direct access to the sources that align this automation and the framework that applies to you, please see the Compliance As Code content section for controls.
If you have a Red Hat Subscription, you should leverage the support for the product you are working with. Please open a ticket at the Customer Support portal.