This is the catch, and I'm frankly suprised more people haven't said something about it...
It costs $29.99 and you have to wait several days for it, most likely...
Okay, the real catch: they've exposed many more SDK checks to Python and XML. Wonderful. As a modder, I'm looking forward to it.
If you're a common player, this is a nightmare. It means the late game will now be
incredibly laggy, because Python checks in SDK are one of the major sources of lag. If you have a slow computer, time to say bye-bye.