I would agree that I've started hitting the ball a little higher (on average) since trying to "let it go," and incorporate the ideas of the new, free-wheeling release. However, with the exception of a few ballooned short iron shots, it is a much different ball flight/trajectory. It is more of an "up and out," that seems to keep going with less spin. It is definitely launched higher, but also more forward and outward. To put it another way, it's almost like it's knuckling through the air a little more, instead of spinning up to an apex and running out of gas.
What's more, if I do absolutely need to hit a lower, piercing shot, it's pretty easy. I simply take one more club, swing with less intensity, and still hit it farther than I used to on full swings with the same club. It still seems to "knuckle" through the air better, just with a lower overall apex.