You need to
before you can comment on or make changes to this bug.
Send XHR Request for an XML File
responseText and responseXML returns the right value
responseBody is always undefined.
I'm surprised that I couldn't filed an earlier bug about this.
A major holding block used to be not having a ByteArray interface, but we have it now. Another issue - which still remains - is that keeping both original and decoded text would be bad for memory use.