Author's feedback settings are ignored. A routine is called that turns on all options, overriding whatever the author had set. Problem was created in 2.1.2. It's fixed in 2.3. I haven't checked 2.2.

sam/tool/src/java/org/sakaiproject/tool/assessment/ui/listener/delivery/DeliveryActionListener.java

*** DeliveryActionListener.java~ Sat Oct 7 15:06:10 2006
--- DeliveryActionListener.java Sat Oct 7 15:07:34 2006
***************
*** 158,165 ****
                  delivery.setAssessmentGrading(ag);
              }
                setDisplayByAssessment(delivery);
! setDeliveryFeedbackOnforEvaluation(delivery);
! setGraderComment(delivery);
                break;
  
        case 4: // Grade assessment
--- 158,167 ----
                  delivery.setAssessmentGrading(ag);
              }
                setDisplayByAssessment(delivery);
! // setDeliveryFeedbackOnforEvaluation(delivery);
! // 2.3 also comments out the following. don't do so unless
! // we have issues
! setGraderComment(delivery);
                break;
  
        case 4: // Grade assessment