Java Edition 16w39a

16w39a is the seventh snapshot released for 1.11.

Blocks

 * Observer
 * Ported from the Pocket and Windows 10 editions.
 * May behave have slight behavior differences due to different redstone systems in Java edition compared to Pocket Edition
 * Can detect Block Updates and output redstone signal
 * Normal BUDS still remain


 * Shulker Box
 * Crafted using a chest in the middle with 2 Shulker Shells, one above and one on the bottom of it.
 * Can be held in your inventory. Will show its contents when hovered over in the inventory.
 * Will show up to 5 slots
 * Similar to chests in that it stores items, but different in that it will keep its inventory when broken.
 * When destroyed, does not drop contents, but stores them in the block.
 * Drops itself even when in Creative only if there is an item inside.
 * Has the same opening/closing animation as a Shulker.
 * They change their hitbox when open; from height 1 to 1.5
 * Can be dyed in any of the available colors.
 * Dyed Shulker Boxes are slightly different from the undyed one; the dyed ones have a darker bottom part, whereas the regular one keeps the same color.
 * Due to a bug, it can't be dyed in survival. Will be fixed in the next snapshot.
 * Can be placed on top, side, bottom of blocks, like Shulkers.
 * Can be placed down and opened like a chest inventory, and has 27 slots.
 * The space needed to open it depends on the orientation.
 * Can not be placed inside another box.
 * Can be mined by hand.
 * Pickaxe is fastest
 * Can be used with hoppers, droppers and dispensers, just like any other item.
 * A dispenser will place the shulker box on the ground
 * Break into item form when pushed with a piston.

Items

 * Shulker Shell
 * Sometimes dropped by Shulkers when killed.
 * Can be combined with Chests to craft Shulker Boxes


 * Totem of Undying
 * Dropped by Evoker upon death.
 * Will save your life when you receive a killing blow, while holding it in either hand.
 * Gives regeneration and absorption when activated for a couple of seconds, to help survive followup damage.
 * Shows a 'particle' just like the curse from an elder guardian.
 * Golden ankh like animation whenever the item is consumed.


 * Exploration Map
 * Can be bought from cartographers.
 * Just like a map, except will show terrain outlines and a specific structure with treasure.
 * Used to locate Woodland Mansions and Ocean Monuments.
 * Slightly tinted to match the type; blue for Ocean Monuments and brown for Woodland Mansions.
 * Has the appearance of a typical treasure map.
 * Treasure maps display the biome outline of their respective biome.
 * Initially a map with outlines of land, no loaded land shown. Loads land once you find it.
 * When exploring, it will fill in the outlines.
 * Small player dot to indicate far away destinations
 * The locator dot on the map will be smaller the farther away you are

Mobs

 * Llama
 * Spawn naturally.
 * Drops Leather.
 * Has multiple colors, similar to Horses.
 * When aggravated, they spit to attack.
 * Always aggressive toward Wolves.
 * If you hit them, they spit at you once, dealing damage.
 * Can be saddled using a carpet of any color and ridden
 * Using a different color of carpet gives a different texture on the saddle
 * Like donkeys can be equipped a chest
 * Varying amount of slots depending on strength stat of Llama.
 * Can be leashed.
 * When a lead is put on, surrounding llamas in a small radius will be attracted and try form a caravan behind the leaded llama.
 * The "caravan" llamas are passive to all mobs.
 * Has own sounds.


 * Vex
 * Spawned by Evokers.
 * Small, flying mobs. Like a small ghost that flies around.
 * Hostile towards the player.
 * Can phase through blocks, similar to ghosts.
 * Texture changes to have red marks when about to attack
 * Holds an Iron Sword.
 * Has own sounds.
 * Spawn in Woodland Mansions.
 * Attack villagers


 * Illagers
 * Has the same model as Villagers, but with a pale grey skin and dark clothes.
 * Vindicator
 * Outcast villager
 * Has an iron axe in one of their hands
 * Hostile towards player.
 * Has own sounds.
 * Spawn in Woodland Mansions.
 * Attack villagers
 * Drops Emeralds upon death. Rarely drops an Iron Axe.
 * Evoker
 * Acts like a mini-boss, as when in battle it summons Vexes and Fangs to attack.
 * Hostile towards player.
 * Has 'fang attack'
 * Summons a stream of fangs coming out of the floor, damaging mobs.
 * Raises arms to indicate spell casting.
 * Spawns "vexes" described above.
 * Attack villagers.
 * Has own sounds.
 * Spawn in the top floor in Woodland Mansions, along with the Vindicator and other summoned mobs
 * Drops Emeralds and a Totem of Undying upon death.

Enchantments

 * Curses
 * Enchantments with negative effects, such as Curse of Vanishing and Curse of Binding.
 * Uncommon appearances in dungeon loot
 * Naturally appear on tools and armor randomly (mainly end cities)
 * Best use in map making
 * Curse of Vanishing
 * Item that has this curse will not drop upon death and will instead vanish.
 * All slots in inventory are affected.
 * The gamerule KeepInventory true will prevent this.
 * Curse of Binding
 * Binds the armor to the player if it has got this enchantment, effectively disallowing the player to manually take off this armor piece.
 * Creative players are unaffected.
 * Does drop when gamerule keepInventory is false, when dying.

Commands

 * syntax:
 * Admits: EndCity, Fortress, Mansion, Mineshaft, Monument, Stronghold, Temple and Village.
 * Locates the nearest structure, like EndCity or NetherFortress.
 * Can locate dungeons, mineshafts, strongholds, temples, fortresses etc.
 * When finding structures similar to "temple" structures, it cannot differentiate between types, this means any "Temple" structure found can be igloos, witch huts, jungle temples or desert temples.
 * Returns message: "Located [Structure] at [x] [y] [z]"
 * Pushes coordinates in chat for the executor of the command.
 * Will display the Y coordinates as "(y?)" for some structures
 * Will display the Y coordinates as "(y?)" for some structures

World generation

 * Woodland Mansion
 * "Will spawn a boss-like mob called the Evoker in one of the top floors.
 * "Procedurally generated house"
 * "End game challenge"
 * Generates naturally in forests or roofed forests
 * Has 3 floors, the bottom 2 are larger and the top is smaller.
 * Random layouts, using procedural generation and structure blocks
 * Spawns 3 new mobs.
 * Evoker
 * Vindicator
 * Vex
 * Can be found with a Woodland Exploration Map.
 * Consists mostly of wood and cobblestone.
 * Structures include all types of carpets, cobblestone walls, blocks, slabs, & stairs, birch fences & planks, glass panes, and dark oak wood & planks.
 * Has many different rooms, and can contain grown trees, saplings, water, ores, flowerpots, all types of 1 block tall flowers, anvils, bookshelves, wool, different types of stone, pumpkins, farmed plants(including mushrooms), chests with good loot (diamond armour, golden apples), ladders, iron doors, iron bars, rails...

Mobs

 * Shulker
 * Now drops 0-1 Shulker Shells.
 * Can now change their color by  tag


 * Zombie Villager
 * Now have their own sounds


 * Villager
 * New librarian profession: Cartographer.
 * Sells Exploration Maps.

World Generation

 * The End
 * Return Portals
 * Appears similar to end gateways, but teleport you to the main island's spawn platform.
 * Generate randomly throughout the outer End islands.

Items

 * Map
 * Now generates end landscape instead of dirt and stone.