Java Edition 1.17

1.17, the first release of the Caves & Cliffs update, is a major update to set to release in the summer of 2021. It was first announced during Minecraft Live 2020 on October 3, 2020. Most things are unconfirmed.

Blocks

 * Amethyst Geode


 * Make bell-like sounds
 * Very rare block
 * Grow from another unobtainable block
 * Drop crystal shards, which can be crafted into a Telescope


 * Copper
 * New ore, found under ground
 * Turns green over time, like real copper.


 * Copper Ore
 * Copper Block
 * Copper Stairs
 * Copper Slab


 * Clay Pots


 * customizable
 * designed fixed by lighting fire under the pots


 * Glow Berries


 * Light source


 * Blossom


 * Dripleaf


 * Sculk block


 * Sculk sensor
 * Can be used for wireless redstone


 * Stalactite
 * Deals damage
 * can drip water to fill cauldrons


 * Lightning Rod


 * crafted with copper


 * Powdered Snow

Items

 * Telescope


 * Crafted from crystal shards and copper
 * when held, allows the player to see far away in a small circle


 * Bundle
 * Can be used as inventory space solution
 * Brush


 * Axolotl Bucket

Mobs

 * Axolotl


 * Aquatic creature found in bodies of water within the Lush Caves.
 * Can be caught in a bucket like fish.
 * Comes in different colours.


 * Warden


 * Spawns deep underground
 * Attacks the player when they sense movement.
 * follows sources of noise such as snowballs hitting blocks.
 * Incredibly strong


 * Goat


 * Spawns in mountains biomes.
 * Can jump very high into the air to avoid obstacles.
 * Attacks some animals and knocks them very far away.

Glow Squid
 * Originates from Minecraft Earth.
 * Glows in ocean

World generation

 * Lush caves


 * Generate below Azalea trees.
 * Contain glow berries.


 * Dripstone caves


 * Contain stalactites and stalagmites


 * Cave generation
 * Drasticly improved

Gameplay

 * Archaeology

Trivia

 * The axolotl will be added long after the track of the same name by C418, which released in the Update Aquatic. They are small mexican salamanders which are critically endangered.