Ok, thanks for the details. That was what I thought would be needed! I did check Katie’s Jojo cartfile and noticed it was pointing to her repo! 
Yes, makes sense.
Another question re: code both @Eric and I had re: BOLUS increments on the watch. Do you know how we can make a change so that the BOLUS increment is 0.1U? If I tap the ‘+’ or ‘-’ on the watch Bolus screen, it currently defaults to 0.25U, much too large. Thank you!