Courseware Support has heard from a few instructors who are unable to batch download all submissions for assignments submitted through Canvas. The exact report is that the “gathering files” pop-up hangs indefinitely without completing. We have been able to replicate this issue and have reported it to our vendor.
In the interim, individual submissions can be downloaded via SpeedGrader:
We will post an update to the Canvas at Penn blog after we hear from out vendor. We apologize for any inconvenience this issue may cause.