Is Business Unit required for Opportunity in Redwood Sales?

Summary:

Is Business Unit required for Opportunity in Redwood Sales?

Content (please ensure you mask any confidential information):

In Redwood Sales, is Business Unit now a required field for Opportunity?

Where does the Business Unit value derived from, if the creator's Resource Organization is not assigned any business unit?

How does this impact the opportunity access control which uses Team Member, Access Group and Territories?

Version (include the version you are using, if applicable):

25D