As I already reported online about the RX1R III being announced without any previous rumors or leaks and with a ridiculously high price for the camera and accessories:
The reason there were no leaks is becuase this time Sony did not let anyone know in advance of the existence of the RX1R III. Now they know how to stop the leaks if they want to, but I seriously doubt they will.
Jared Polin was the only influencer who actually had the guts to say something about all of this – “Sony, you are not Leica“: