About the golden rule, as a Role Lead you can do everything needed to fill your role as long as you don’t break a rule.
In 4.1. You had to get permission from the domain holder. You still can, but you can also announce the intend on Slack f.e. If anyone with a domain wants to object, they can jump in and ask for integration.
Also, in version 4.1. you had no flexibility to remove Rep Links. That was good. But in some cases, you might want to remove Rep Links. In version 5 it is clarified that you can remove Rep Links: when and how.