Minecraft wiki entry for Development_versions, associated text: Fixed very damaged anvils dropping from at least 6 blocks becoming a glitched entity that cannot be removed until the map is reloaded.
Fixed digging straight down glitching the player into blocks again.
Fixed PvP-disabled servers still allowing players to set other players on fire using Fire Aspect enchanted swords.
Fixed dropping from low heights doing damage on certain occasions.
Fixed dropping an anvil on an end crystal crashing the game.
Fixed the game sometimes crashing when using F3 + H to show durability on items and then moving the mouse over a non-blank map.
Fixed the game crashing when maximizing the game while in the anvil UI.
Fixed a stack overflow error when dispensers attempted to place water or lava into a solid block.
Fixed the crafting table and cauldron that spawn in Swamp Huts spawning at the top of the hut.