Created attachment 8558743 [details] nightly-doesn't work.mov User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_5) AppleWebKit/600.3.18 (KHTML, like Gecko) Version/7.1.3 Safari/537.85.12 Steps to reproduce: On latest nightly, html5 drag and drop no longer works. Example is http://www.html5rocks.com/en/tutorials/dnd/basics/ (scroll down to what is labeled final product just before the conclusion). Actual results: The drag event starts, and the square moves inwards. However, the square does not move with the mouse, and the drop event never occurs. Another example is google drive - if you start to drag a file into a folder, the file cannot be dragged. Apparently you can't attach multiple files to a bug. I've attached a video of the incorrect behavior - I'll try to add a video of the correct behavior soon. Expected results: This should work like it does in Firefox 35 - the draggable box moves with the mouse and the drop event occurs.
It should work in the nightly build if you disable the multiprocess feature (preferences/general/e10s)
Status: UNCONFIRMED → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 936092
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