Several Sprints into a project, the Product Owner tells the Scrum Master that a key...

Wait to bring this up until the Sprint Retrospective.

Encourage the Product Owner to put quality specifications on the Product Backlog and express the

stakeholder’s concern to the Developers.

Bring the concern to the testers to improve how the Product is verified.

Explain to the Product Owner that it is up to the Developers to decide on acceptable quality standards.

Coach the Product Owner on how to talk with the Developers about this concern.