I'm a bit late here, but 6P on CH makes a deeper stun in 1.03. Back in 1.02 made a silly stun (it was -2i on CH. Yes MINUS 2 ON CH, lol), and now in 1.03 is +10i.
It's still a holdable stun, so I don't even know why they called it "small limbo stun". The animation doesn't resemble a "limbo". It...