It seems to me like the new mechanics and visual effects is a pathetic attempt to welcome new players in the franchise. I believe the game will have the Tekken 4 effect.
Lucky Chloe, a cat-themed idol character. Looks like Marie Rose, but perhaps looks a bit older? You can see some capo moves, or some capo-themed moves in her trailer. I don't think I saw any b+1,4 or relaxed stance though, so that's good.
her trailer:
Here's another trailer too:
Graphics look better, new stages look cool. Dragunov's crappy uf+2 got turned into some sort of orbital heel type move, at least on counter hit.