I can think of three (or maybe two) other allocations across units, but all prior to this.
1: The creation of Standard View at Boardwalk. (This might not have been a reallocation, but instead just lowering the points of some units before the resort was sold out. I do not know for sure. And it is possible that Standard always existed from the beginning? But I dimly remember it was created because people complained about the noise from the baggage area.)
2: The Treehouse vs. 2BR rebalance at SSR.
3: The split of SSR into Standard and Preferred.
Interestingly, when they did a similar split at OKW, they did not reallocate, but instead just created booking categories. IIRC, the creation of "near HH" was prior to the SSR Standard/Preferred split.