Created attachment 411366 [details] Example file When trying to drag a .eml file from the mail app to a DOM element in Safari 14.0.1 that's listening for drag/drop events, the drop event does not fire as expected (Drop event fires in latest Chrome). Steps to Reproduce --------------------------------------------------------------- Safari - Open Attachment (example.html) - Open web inspector tool and click on console #1 - Drag file from desktop to the drop container (DOM element) - Observe drop event DOES fire. #2 - Drag .eml file from mail app to the drop container (DOM element) - Observe drop event DOES NOT fire. Expected Result: Drop event should fire in scenario #2. Actual Result: Drop event does not fire at all. --------------------------------------------------------------- Chrome - Open Attachment (example.html) in Chrome - Open web inspector tool and click on console #1 - Drag file from desktop to the drop container (DOM element) - Observe drop event DOES fire. #2 - Drag .eml file from mail app to the drop container (DOM element) - Observe drop event DOES fire. Expected Result: Drop event should fire in scenario #2. Actual Result: Drop event fires correctly.
<rdar://problem/70315587>