Someone digged whole D3 database, contains MASSIVE spoilers. Yes. Items, Events, Quests, Monsters, designer panel commands etc.
Profanity list http://wowbox.tw/d3/tmp.php?stl=Profanity (not much of a spoiler this one)
Many things are outdated (left in code but not used anymore).
+ Show Spoiler +
Secret Pony Level lol