I found this:
According to this, and I have no idea whether it's final or authoritative: the main changes to the riding test are that it now includes a 12' cone weave
and a turn from stop, and the 135° curve is now 180°. And, as indicated above, there are points deducted for stalling.
In general, it looks like the classroom and eval are more complex than before, while the range is less so.