One feature Uploadify still retains over this plugin: The Flash upload dialog allows you to restrict what file types (by extension) are selectable, which can pr

One feature Uploadify still retains over this plugin: The Flash upload dialog allows you to restrict what file types (by extension) are selectable, which can prevent some people from uploading the .JPG when you only accept audio files, etc. I don't think anything in the HTML5 DnD API has accounted for this.