Bug fix: Changing an Assignment Submission Type after submissions have been received
A fix has been applied to allow updating submission types in an assignment after submissions have been received.
Important: This change does not apply to quizzes, which cannot be updated after submissions have been received.
Issue
After submissions have been submitted to an assignment, the submission type on the assignment could not be updated. Different options could be selected but were not retained when the page was saved.

Fix applied (22 July):
A fix has been applied to allow updating submission types in an assignment after submissions have been received.