Have they released any updates yet? This might only be for the HT-6 tuner, but its manual does mention that the USB port is for updating the firmware. Tried google and the Hardwire site and got nothing. I also noticed that there are now two versions of the pedal:
I have the older one, i assume that if they tweaked the design (the Mode and Tuning buttons have switched places) they might have also updated the firmware. Is DigitechRep still around?