I just don't see how anyone could or she be worried about changes to the strikezone; like TT pointed out it's happened before, plus they've tinkered with the balls, the bats, the mounds, the basepaths and basically everything else you can think of.
The baseball gods are seemingly determined to give Soler every possible chance to prove he's not just really, really, really good-looking. Don't screw it up, you incredibly handsome bastard.