The "new punch chain" is a very quick triple slap, short ranged, with both hands. It's so fast you have to slow down the video to understand the movement. We don't know the button combination yet, with how fast it is, I feel it's a command normal or something, probably a single button move (like a close LP maybe).
The "low double spin" is brand new, she spins like a top on one foot and the other leg is extended, she spins and hits twice, but she's crouching very low, so it's a double sweep. She keeps spinning, stands up, and immediately goes into Tenshou kyaku the couple of times we saw it used.
There's also a crouching HP with a huge range, she gets on her back and slides with her fist extended.
The new super is really simple, it shouldn't need any new sprite.
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