Java Edition 1.10

 is an upcoming major update to Minecraft with no set release date. The first snapshot 16w20a was released on 18th May 2016.

Version number
The version number of this update is 1.10. It is currently listed on the bug tracker as "Future Version - 1.10+", and this version has been referred to as 1.10 by Minecraft developers Erik Broes (Grum), Nathan Adams (Dinnerbone) , Jens Bergensten (Jeb) and Michael Stoyke (Searge).

Blocks

 * Structure block
 * Now available for map makers.
 * New texture.


 * Structure Void
 * Used for the structure block to not replace existing blocks in that location.
 * Unlike barrier block, holding one doesn't show others placed on map.


 * Magma Block
 * Found in the nether.


 * Nether Ward Block
 * Crafted by filling a 3x3 crafting table with Nether Wart.


 * Red Nether Brick
 * Red Nether Brick is crafted by using a 2x2 space in a crafting table using Nether Brick and Nether Wart (2 nether brick and 2 nether wart), each of them placed in diagonal lines.


 * Bone Block
 * Crafted by filling a 3x3 crafting table with Bone Meal.
 * Placing it in a crafting table crafts 9 bone meal

General

 * Options
 * A new button called 'Auto-jump'
 * Is on by default
 * Ported from Minecraft Pocket Edition.

Mobs

 * Polar bear
 * Grown ups and children spawn randomly in cold biomes
 * When hit, the grown ups will attack you, the children run away
 * Drop different types of fish


 * Stray
 * Acts mostly like a normal skeleton
 * Drops the same as skeletons plus an arrow of slowness
 * Is a skeleton with SkeletonType set to 2
 * Spawns in cold biome types (e.g. Ice Plains Spikes)
 * Shoots Arrows of Slowness (0:30) at the target


 * Husk
 * Behaves like a zombie
 * Is not burning under sunlight
 * Is a Zombie with ZombieType set to 5
 * Spawns in warm biome types (e.g. Desert)
 * Applies hunger debuff when attacking


 * NBT tags
 * ZombieType
 * 0: default, 1-5: villager, 6: husk
 * Replaces IsVillager and VillagerProfession, they still function, but are no longer saved in the entity.


 * Spawn Eggs
 * Now exists for:
 * Wither Skeleton
 * Mule
 * Skeleton Horse
 * Zombie Horse
 * Donkey
 * Cat
 * Elder Guardian
 * Polar bear
 * Stray
 * Husk

Blocks

 * Sand and Gravel
 * Now emits falling particles when floating, as in Pocket Edition.

Debug Menu

 * Cursor
 * Cursor in debug menu now have a black outline.

World generation
Villages MineShafts Gold ore
 * Now spawns with the corresponding wood to the biome
 * Now spawns with grass paths and wooden bridges over water
 * Now spawns at any Y level in mesa biomes
 * Spawns with dark oak wood in stead of oak wood
 * Now spawns at any Y level in mesa biomes
 * Bonus Chest
 * Now contains any type of wood instead of just Oak or Acacia.

Planned changes

 * Numerical block IDs
 * Limit will get removed
 * Block states
 * Can now be used in.
 * For example, to set down a block of blue wool, it will be instead of.

Unconfirmed features

 * 'Observer' (BUD) block
 * Jeb indicates it will come to PC "eventually".
 * Recipes for seamless slabs and bark blocks.
 * "if we find a good recipe"