Well, I don't know how drag & drop works so I can not say that it is bug in X server. I would start by reporting / re-assigning this bug to nautilus especially if it is only app that causes this problem.
Well, I don't know how drag & drop works so I can not say that it is bug in X server. I would start by reporting / re-assigning this bug to nautilus especially if it is only app that causes this problem.