If Wiktor wanted to comment, he could.
He's aware of the thread.
Also, he not a developer in the strict sense, rather a beta tester.

I doubt he has altered firmware.
Where would he get it?
Our developers would not know how to go about creating that, and I don't think they would want to if it was a necessity.
They'd probably just not support the system.

There is another possibility, that your source is wrong.