103 new blocks and items were added to Minecraft 1.16 java edition.
Nether Update
A massive overhaul of the nether, adding new biomes, mobs (the piglin, hoglin, zoglin, and strider), many blocks and items. Adding a new netherite tier for making tools, weapons and armor. This update makes it possible to live in the nether without overworld materials.
Ancient Debris
Banner Pattern - Snout
Basalt
Blackstone
Blackstone Slab
Blackstone Stairs
Blackstone Wall
Block of Netherite
Chain
Chiseled Nether Bricks
Chiseled Polished Blackstone
Cracked Nether Bricks
Cracked Polished Blackstone Bricks
Crimson Button
Crimson Door
Crimson Fence
Crimson Fence Gate
Crimson Fungus
Crimson Hyphae
Crimson Nylium
Crimson Planks
Crimson Pressure Plate
Crimson Roots
Crimson Slab
Crimson Stairs
Crimson Stem
Crimson Trapdoor
Crying Obsidian
Gilded Blackstone
Lodestone
Lodestone Compass
Music Disc - Lena Raine - Pigstep
Nether Gold Ore
Nether Sprouts
Netherite Axe
Netherite Hoe
Netherite Ingot
Netherite Pickaxe
Netherite Scrap
Netherite Shovel
Netherite Sword
Polished Basalt
Polished Blackstone
Polished Blackstone Brick Slab
Polished Blackstone Brick Stairs
Polished Blackstone Brick Wall
Polished Blackstone Bricks
Polished Blackstone Button
Polished Blackstone Pressure Plate
Polished Blackstone Slab
Polished Blackstone Stairs
Polished Blackstone Wall
Quartz Bricks
Respawn Anchor
Shroomlight
Soul Campfire
Soul Lantern
Soul Soil
Soul Torch
Stripped Crimson Hyphae
Stripped Crimson Stem
Stripped Warped Hyphae
Stripped Warped Stem
Target
Twisting Vines
Warped Button
Warped Door
Warped Fence
Warped Fence Gate
Warped Fungus
Warped Fungus on a Stick
Warped Hyphae
Warped Nylium
Warped Planks
Warped Pressure Plate
Warped Roots
Warped Slab
Warped Stairs
Warped Stem
Warped Trapdoor
Warped Wart Block
Weeping Vines
Technical blocks that can't be placed in inventory, can be placed in world by /setblock. Not included in our new block count, as usually a version of an item.
Potted Crimson Fungus
Potted Crimson Roots
Potted Warped Fungus
Potted Warped Roots
Soul Fire
Soul Wall Torch
Twisting Vines Plant
Weeping Vines Plant