During the most recent Minecon, Jeb and some of the Minecraft PC development team gave a sneak peek at new features we will be seeing in Minecraft 1.11 aka the "Exploration Update".
Cursed Enchantments
Rare Loot
(Binding) Can't be taken off
(Vanishing) After death, item will vanish
Observer Block - Detects nearby block updates
New Portals added to help you get back to the center of the end dimension
Shulker Shell - Used to make a Shulker Box
Shulker Box - Made From chest and 2 shulker shells
When it breaks, it still has items inside
Can be placed by a dispenser
Cannot Put Shulker Box inside Shulker Box
/locate command allows you to locate Nether Fortress, Endcitys and maybe other things
Woodland Mansion
Massive Structure
Can be found by a Treasure Map From a Cartographer
Evoker, Vindicator, Vex (Aka Illagers)
New Mobs
Found In Woodland Mansions
Totem Of Undying
If you die, it gets used up and prevents your death while providing a bit of regen and absoprtion
Llamas and Baby Llamas Added
Can Put different colored carpets on them and add a chest
Can follow you with a lead
Move in packs
Wolves run away from them
Shoot a projectile attack which is spit
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