S/4HANA needs more time to implement. Thus it's very likely SSCv2 is ready before.

Sales Cloud v2 Now, S/4HANA Later: How to Prepare So You Don’t Rework Everything

In many programs, S/4HANA joins the landscape later than planned. That delay changes how you should set up SAP Sales Cloud v2 today. Instead of first building a standalone CRM and then retrofitting it to S/4. You rather design Sales Cloud v2 from the start with S/4 as the master. This approach ensures seamless integration and avoids rework […]