Java Edition 1.14

1.14, the first release of Village and Pillage, is an upcoming major update to the Java Edition with the possible release date at the beginning of 2019. It will focus mainly on villages, adding a new subset of villagers known as pillagers and redesigning village architecture to match the biome it is located in. This update will also introduce many new stairs, slabs and walls, and update the taiga biome.

Blocks

 * Stairs
 * 14 new stairs, including stone, smooth stone, diorite, andesite, granite (and their polished variants), mossy cobblestone and smooth sandstone stairs.
 * Slabs
 * 14 new slabs, including stone, diorite, andesite, granite (and their polished variants), mossy cobblestone and smooth sandstone slabs.
 * Walls
 * 12 new walls, including diorite, andesite, granite (and their polished variants), bricks, and sandstone.
 * Signs
 * Now comes in all different wood types.
 * Campfires
 * Bamboo
 * Generate in bamboo forests in jungles.
 * Scaffolding
 * Can be climbed quickly.
 * The player can build a pillar of scaffolding by just pressing on the top face of a scaffolding block.
 * The whole structure breaks when the bottom block is broken.
 * The bottom and sides have no collision detection.
 * A new block being made by Josh Letellier

Items

 * Crossbows
 * Stronger than bows, but slower to reload.
 * Will be able to be enchanted with new enchantments:
 * Multi-Shot
 * Fires three arrows at once in different directions.
 * Fast Reload
 * Increases the reload speed.
 * Piercing
 * Projectiles pierce through enemies.
 * Can shoot firework rockets holding the crossbow in one hand and the fireworks in the other.
 * Can be crafted.
 * Bamboo
 * Can be eaten by pandas.
 * Can be used to craft scaffolding.
 * Berries
 * A food item.
 * Found on berry bushes.

Mobs

 * Foxes
 * Spawn in taiga biomes.
 * Pillagers
 * Another subset of villagers.
 * Wield crossbows.
 * Will raid, or take over, villages, killing villagers.
 * Pillager beasts
 * Large, bull-like creatures with armor and saddles.
 * Very tough.
 * Destroy crops and leaves.
 * Name is still possibly a work in progress.
 * Pandas
 * Usually passive.
 * Spawn in bamboo forests inside jungles.
 * Eat bamboo items.
 * Have varying personalities and traits.
 * Can be lazy, playful, or aggressive.
 * Their emotions can be read on their faces.
 * Baby pandas can sneeze, startling the parent.
 * Have a rare white and brown variant.
 * Are scared of thunderstorms.

World generation

 * Berry bushes
 * Generate in patches in taiga biomes.
 * Bamboo forests
 * New biome variant of jungles.
 * Contains bamboo shoots and pandas.

General

 * A rewrite of the game's rendering engine.

Mobs

 * Villagers
 * New skins, based on career and occupying biome.
 * Improved trading.
 * Cats and ocelots
 * Cats and ocelots are being split into two separate mobs.
 * Cats are now able to spawn as strays in villages.
 * Have 8 new skins, one being chosen by the community.
 * Will bring the player "gifts".
 * Scare off phantoms.
 * Ocelots can no longer be tamed; instead, the player can gain their trust by feeding them.

World generation

 * Villages
 * Redesigned; new architecture per biome.
 * Generates in more biomes, such as snowy biomes and jungles.

Unconfirmed features
These features were mentioned during the development of 1.14 or during MINECON Earth 2018, but have not been confirmed to be added in this update.
 * Brown mooshrooms.