The MultipartSerializer was broken because it didn't correctly checked the content-type (which now follows the same logic as the UrlFormattedMessageSerializer) and also required a charset which is often not provided (see http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4)
The MultipartSerializer was broken because it didn't correctly checked the content-type (which now follows the same logic as the UrlFormattedMessageSerializer) and also required a charset which is often not provided (see http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4)