New features arriving in Minecraft 1.17 Caves and Cliffs Update
Amethyst Geodes
New Mountain Biomes
Lush Caves
Dripstone Caves
Noise Caves
New World Height limit -64 to 320
Sculk Sensors
Deepslate
Deepslate ores and other deepslate variants
Copper Ore
Axolotl
IMAGE CREDITS: Mojang
Warden
IMAGE CREDITS: Mojang
Goat
IMAGE CREDITS: Mojang
Glow Squid
IMAGE CREDITS: Mojang