I have UI which uploads the file in multiprt file transfer in chuncks(blob file) .It was working fine in previous version of firefox when we send 10mb chuncks for each ajax calls .But now in latest version firefox ,Its get rejected for 10mb chuncks through each call but allowing only 4kb to be send for each call.Could you guys help me .I also tried with the (Application/octectstream) .It is also working fine in all browsers.