I think this is just a change to how 3c works. in EX and earlier 3c and 3cc were basically considered separate moves. in CP 3c/3cc behave just like Jin's 623D. In CP, you can go into 3cc almost immediately, and 3cc will not autocorrect direction if they are on the other side of you (3cc oki dead). Again same as Jin's 623D. Other tsubaki moves haven't changed.