Looking at the World Snapshot, it appears that home runs were up 17% after the latest update. The HR rate is still over 9% lower than it was on the first power fix on 11.3. As previously, none of the other per game stats changed at all. HBD still has the same numbers of singles, doubles, and triples per game.
11/2 HR/G: 2.832
12/28 HR/G: 2.191
4/19 HR/G: 2.575