OK. I agree. But this is a one-for-one swap, not another increase.
I saw that they added Ringmaster/Firecat Stunt, bringing the stunt event count to seven, or twenty-one events if you consider the ability classes.
We stand at 4 Racing, 4 Carrier, 3 Speed, 4 Scale and 1 combat, for a total of 20 non-stunt events.