Blocks:
Amethyst
Archer Pottery Pattern
Bamboo Wood Set
Big Dripleaf
Blackstone
Blackstone Bricks
Block of Netherite
Budding Amethyst
Calcite
Campfires
Cartography Table
Chain
Chiseled Nether Bricks
Copper Blocks
Copper Ore
Coral Plants
Coral Blocks
Coral Fans
Crimson Door
Crimson Stem
Cut Copper Blocks
Dead Coral Plants
Dead Coral Blocks
Dead Coral Fans
Deepslate Stuff -> Grimstone Stuff
Dirt Path -> Grass Path
Dried Kelp Block
Dripstone Block
Fletching Table
Froglights
Frogspawn -> Frog Egg
Gilded Blackstone
Glow Lichen
Grindstone
Hanging Roots
Honey Block
Jigsaw Block
Kelp
Laterns
Light Block
Lightning Rod
Mangrove Wood Set
Mud
Nether Gold Ore
Nether Wart Block
Ore Patterns
Pink Petals
Quartz Bricks
Raw Ore Blocks
Scaffolding
Sculk Stuff
Seagrass -> Sea Grass
Spore Blossom
Stonecutter
Stripped Crimson Stem
Stripped Dark Oak Log
Stripped Warped Stem
Tinted Glass
Warped Door
Warped Stem
Warped Wart Block

Items:
Amethyst Shard
Boats
Boats with Chests
Bucket of Axolotl
Bundle
Candles
Chain
Copper Ingot
Crimson Roots
Crossbow
Disc Fragment - 5
Echo Shard -> Soul Shard (It was briefly called "Soul Shard" in a changelog, leading me to think it was an old name)
Honey Bottle
Honeycomb
Item Frames
Music Disc 5
Nether Sprouts
Netherite Stuff
Phantom Membrane
Pottery Sherds -> Ceramic Shards
Raw Ores
Scute -> Turtle Shell Piece
Sentry Smithing Template
Signs
Silence Smithing Template
Spyglass -> Telescope
Ward Smithing Template
Warped Fungus

Entities:
Allay
Aggressive Panda
Boats With Chests
Cold Strider
Cyan Axolotl -> Green Axolotl
Frogs
Glow Squid
Hoglin
Leucistic Axolotl
Phantom
Salmon
Sniffer
Vex
Wandering Trader
Warden
Zoglin
Zombified Piglin
Renaming a Pig to Technoblade will give it a crown

Particles:
Falling Cherry Petals
Nautilus
Sculk Charge
Sculk Soul
Sonic Boom

Armor:
Netherite Armor
Copper Trim Color Palette
Sentry Trim

UI:
Bad Omen Status Effect
Chat Report Icons (pain)
Hero of the Village Status Effect
Spyglass Scope