Not fully understanding the new beta installation flow. I’m signed into my personal account (not my developer account) and given the option to change accounts, but not sure what difference this would make.

Screenshot of alert in the iPad Settings app: Apple ID for Beta Updates: Signed in as redacted@douglashill.co. You can sign in with a different Apple ID that is enrolled in the Apple Beta Software Programme or Apple Developer Programme. Button options: Use a different Apple ID… Cancel