Java Edition 1.12

1.12 is an upcoming major update with no set release date.

Initially mentioned by Jeb at Minecon 2016 during the "Casual Chat with Jens" panel, saying that they already have ideas for a theme. On December 29, 2016, Jeb confirmed that he had started working on 1.12 features, and that they now have a theme.

Blocks and Items
Concrete
 * Comes in the 16 traditional dye colours
 * Created when Concrete Powder comes into contact with still or flowing water

Concrete Powder
 * Comes in the 16 traditional dye colours
 * Gravity affected (like Sand and Gravel).
 * When the (falling) block is submerged within water it turns into Concrete.
 * Craftable. Crafting: 4 Sand, 4 Gravel and one of any dye to get 8 Concrete Powder blocks. The recipe is shapeless.

Glazed Terracotta
 * Comes in the 16 traditional dye colours
 * Smelt any colored stained clay in a furnace to obtain the Glazed Terracotta of that color (not for regular hardened clay).
 * Can be placed in 4 directions.

General

 * Creative
 * Save/restore hotbar items in creative mode.
 * Miscellaneous category is moved to the bottom section of the creative inventory categories.
 * Materials category has been removed and its items are moved to miscellaneous category.

Blocks and Items
Wool Banner
 * New palette texture.
 * New palette texture

Mobs

 * Paintings
 * Made it easier to get the "correct" painting when placing them.

Sheep
 * New color palette for wool on body.

Unconfirmed features

 * More note sound effects for the note block.
 * If a piston gets powered and is unable to push, it will emit a smoke particle effect and play a small "clunk" sound.
 * Non-aggressive zombie pigmen no longer preventing the player from sleeping.
 * If the bow used to craft a dispenser is enchanted, it makes the arrows fired from the dispenser act accordingly.