Minecraft wiki entry for Development_versions, associated text: BlockExplodeEvent
Removed property destroyedBlockPermutation
World additions for music management:
queueMusic(trackName : string, musicOptions : MusicOptions)
playMusic(trackName : string, musicOptions : MusicOptions)
stopMusic()
Added MusicOptions JS class with volume, fadeSeconds and loop properties
Added event entityHurt(entityHurtEvent: EntityHurtEvent, options?: EntityEventOptions), which fires when an entity takes damage
Removed 'Minecraft' and 'GameTest' imports
mojang-minecraft and mojang-gametest are now used.