Classic Textures Fix Legacy

Mobs

• Villager
• Zombie Villager
• Pillager
• Skeleton Horse
• Brown Mooshroom
• Zombified Piglin
• Hoglin & Zoglin
• Iron Golem
• Cat
• Glow Squid
• Vex (updated version, 1.19.50+)
• Bat (updated version, 1.20.50+)

Items

• Cat, Panda and Wandering Trader Spawn Eggs
• All the fish & fish buckets
• Shield
• Trapped Chest in inventory (MCPE-48879)
• Phantom Membrane
• Campfires
• Crossbow
• Dark Oak Sign
• Honey Bottle
• Suspicious Stew
• New Dyes (black, brown, blue, and white)
• All the Banner Patterns
• All the Signs
• All the Netherite armors
• Netherite Ingot
• All the Netherite tools & Sword
• Warped Fungus on a Stick
• Copper Ingot
• Spyglass
• Raw Metals
• Amethyst Shard
• Candle
• Powder Snow Bucket
• Bucket of Axolotl‌
• Glow Ink Sac
• Glow Item Frame
• Goat Horn
• Bucket of Tadpole
• All Boats/Raft with Chest
• Mangrove & Cherry Boat
• Music Disc 5 & Relic
• Disc Fragment (5)
• Recovery Compass
• Hanging Signs
• Mangrove, Cherry and Bamboo Doors
• Potions & Tipped Arrows (1.20+)
• Potions added upcoming 1.21
• Trial Explorer Map

Blocks

• Blast Furnace & Smoker
• Campfire logs
• Cartography Table
• Grindstone's "round" sides
• Barrel bottom
• Composter (compost section)
• Stonecutter
• Lectern
• Smooth Quartz
• Red Nether Bricks
• All the Overworld wooden Trapdoors, except oak trapdoor
• Crimson Nylium, Planks, Log tops, Sign and Door
• Warped Nylium, Planks, Log tops, Sign and Door
• Crying Obsidian
• Soul Soil
• Soul Torch
• Nether Wart Blocks (both)
• Chiseled & Cracked Nether Bricks
• Quartz Bricks
• Nether Gold & Quartz Ore
• Respawn Anchor
• Blocks of Copper
• Cut Coppers
• Copper Ore
• Tinted Glass
• Powder Snow
• Glow Item Frame
• Azalea
• Azalea Leaves
• Cave Vines
• Deepslate & Cobbled Deepslate
• Deepslate Bricks (normal and cracked), Deepslate Tiles & Chiseled Deepslate
• Reinforced Deepslate
• Coal, Iron, Gold and Redstone Ore (can be switched with Classic Ore Patterns add-on)
• All the Deepslate Ores
• Calcite & Tuff
• Mangrove/Cherry Log, Leaves, Planks, Signs, Door, and Trapdoor
• Chiseled Bookshelf
• Suspicious Sand & Gravel
• Crafter

Mob Effect Icons

• Conduit Power
• Slow Falling
• Bad Omen
• Hero of the Village
• Darkness
• Trial Omen (1.21+)

Other

• Potion icon & brewing fuel pipes in Pocket UI (1.20.40+)
• Illustrations for item selecting, mining, crafting table using, and shelter building in How to Play screen (1.20.50+)
• The large interaction button in updated D-pad control (1.20.70+)

All of the add-ons below are built-in. That's to say, you don't have to download them separately - they can be switched in the Resource Pack Setting screen, and multiple add-ons can be applied at the same time. 

Classic Ore Patterns

Turning the ore patterns back to the old ones, including Copper Ore and Deepslate Ores!

Aquatic Add-on

Changing the textures of all kinds of fish & aquatic mob buckets, as well as the blue ice, to match the old style of Minecraft textures better.

Java Parity

Making some old textures consistent with those in Java Edition, including Lava, Peony, Rose Bush, all Nether Bricks, Crying Obsidian, Respawn Anchor, and Lodestone Compass.