Quoted By:
>stealth rock damage is based on elevation (flying/levitate/air balloon or none) instead of typing
>knock off has 40 base power, 80 when removing an item
>scald has a 10% burn chance
>new item that increases crit rate by 2 stages when your opponent lowers your attack or special attack
>ice steals the Flying resistance of steel and also resists Ground and isn't weak to rock
>rock loses water weakness
>steel also loses its resistances to Bug and normal, psychic resistance is given to Grass or Bug
>stalagbite 85 bp 100 acc 20 pp physical Rock no bonus effect
>shiver Dance Ice status raises speed by 3 stages
>exo Armor Bug status boosts attack defense and crit rate by 1
>item that prevents redirection of the user's moves (safety goggles ignores rage Powder but not the more common follow me)
That's all I can think of off the top of my head