Mods: eliminated seaming by doing a three-needle bind off at the shoulders and picking up the stitches for the sleeves and working from the top down.
I don’t care for the waviness at the bottom of the cable panel. I cast on 4 fewer stitches than the pattern and did a lower lifted increase at the base of the cable, and it still rippled. Think how bad it would have been with 4 extra stitches! Not sure what else I could have done with it …