Wrong coordinates on F3 or command block can't use testfor

summoning a horse with a chest and looking at the horse's inventory crashes the game

Saddled horses when killed drop saddle even if doMobLoot is set to false

Summoned witherskull don't have the strength of a real witherskull

Summoning an endercrystal using the summon command causes extreme lag

using slowness effects 127 dont work when your flying on creative

/playsound command does not give sound

Cactus don't turn into items when in between of two blocks

You cannot move horses if you ride on it then log out of your world then log in