This change has been shelved by our product team. Multiple attempts and late policies are not compatible in correcting this behavior.
Late Policies enabled with New Gradebook can cause unpleasant score calculations for On-Time attempts for Multiple Attempt quizzes in 2 out of 3 cases, when one or more of the attempts is Late.
To be determined by Product, however,
Prerequisites: In a published course with student enrollments, have New Gradebook and a Late Policy enabled.