Torches can not consistently be placed by off-hand

Ladders can be placed on transparent blocks if a solid block is nearby

Fences and walls now connect to melons, pumpkins, and jack-o-lanterns

Fire-type damage (fire, magma, lava) doesn't trigger the damage sound

Blocks given redstone power do not power nearby redstone until the wire is updated

Llamas do not save their inventory NBT data, causing java.lang.ArrayIndexOutOfBoundsException crash

Observer block outputs single game tick pulse, not single redstone tick pulse

villages.dat that contains populated Players NBT tags spam IllegalArgumentException to console

Suffocation damage when getting out of bed in Multiplayer

Experience orbs play multiple instances of their sound when picked up

Minecraft now only creates all-black world icons for the Select World menu

Exception ticking world crash in worlds with double-slab blocks

Most new sounds added in 15w47b have no subtitles

Rain puts out fires less often

Villager AI (farming) broken

Constant Netty IllegalReferenceCountException in server