projectkudu/kudu — pull request #1288 by ahmelsayed (2014-08-08 23:24:12+00:00)
Title: Consider the file to be a zip file if filetype is empty. This will only ...

...affect files dragged into zip target area. Fixes #1278

@amitapl can you please try this on your machine and see it it fixes the drag-and-drop issues you were having? I can't repro the original issue.