Umm... Missed win?
What's new "Miss" mean??

I got one too...and it allowed me to checkmate him, so its probably just a complete missed oppurtunity (such as getting out of M1).

So miss is replacing missed win, and it's going after inaccuracy but before blunder? Does that mean the meaning of blunder will change?

it's more accurate now. i once got a missed win because i ignored a hanging pawn. a miss signifies the miss of a tactic, etc. blunders are fine as they are, as they're more accurate. sure, you can get a blunder for hanging a pawn, but that pawn could be holding the game together for you.
It's been a week or so since I've played a live game, and the new analysis has the typical "Brilliant, Great, Best, Blunder," etc. But there's a new one today--"Miss." Does this replace "Missed Win" or is it a new category entirely?