UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/601.4.4 (KHTML, like Gecko) Version/9.0.3 Safari/601.4.4

Example URL:
http://jsfiddle.net/tilmans/72adajrg/1/

Steps to reproduce the problem:
1. Drag first link to test app (text/plain)
2. Observe payload being available
3. Drag second link to text app (custom type)
4. Observe payload is not available

What is the expected behavior?
Custom data types should be included in the drag data, not just standard types

What went wrong?
These exact steps work on Safari. Chrome on Windows seems to have the same issue. Chrome is only handing out standard data types such as text/plain. This was already described at https://bugs.chromium.org/p/chromium/issues/detail?id=93514 and the issue was incorrectly closed.

I've attached a simple native app for testing. 

Does it occur on multiple sites: N/A

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes 

Chrome version: 48.0.2564.109  Channel: stable
OS Version: OS X 10.11.3
Flash Version: Shockwave Flash 20.0 r0
 

Deleted: DND Test.zip 1.5 MB

DND Test.zip 1.5 MB Download