The “DTP70” target image hasn’t changes as far as the target image it’s self, but was updated to include Piezography 2.
What printer model, Piezography ink set, and paper(s) are you having custom curves made for? Are you printing from Mac or Windows? What OS version?
It’s an Epson 7800, Piezography2 with split tone WN/Sel. Papers are Hahnemuhle Photo Rag Baryta, William Turner and Photo Rag 308.
Printing with Print-tool 1.0.9 on 10.8.5