Blocks:
-All wooden blocks have been updated to appear like oak (doors, signs, etc)
-Azalea and mangrove trees have retro textures
-Bamboo has a similar color scheme to sugar cane
-Barrels now share a color scheme with chests and have an improved texture
-Bee hives and nests have improved textures
-Bells now share a color scheme with the gold block
-Blast furnace now has a texture inspired by the original furnace.
-All colored blocks now match the classic wool pallette
-All new crafting tables (cartography, smithing, composter, fletching, etc) use oak planks in their texture
-Campfires have the old fire texture
-All new stone blocks and variants have been modified (chiseled, bricks, polished, etc)
-Deepslate ores now all fit in with the classic design
-Nylium textures fit in with surrounding netherrack
-Nether Gold ore fits in with surrounding netherrack
-Crying obsidian has the pocket edition glowing obsidian texture
-Prismarine has new textures
-Coral now is made of variations of the sponge and unused beta textures
-The hay block shares a color scheme with the wheat item
-Plants across the board have been revamped with classic textures
-Blue rose from pocket edition returns along with the rose (with other color variants too!)
-Netherite is now red, with ancient debris appearing like an ore
-Return of the classic gravel and sand textures
-Return of the classic lapis texture
-Return of the classic lava and water textures
-Water appears bluer like it used to
-Skulk is now a red fleshy growth (will potentially make a texture pack with blue skulk too)
-Other misc changes

Items:
-Classic food textures have returned
-All bucket of x textures use the classic bucket
-The Crossbow has the same colors as the bow
-Enchanted books no longer have the ribbon
-Banner patterns are distinct with a classic texture
-Goat horns have a new texture
-All gold items share the same color scheme now
-Red netherite
-Recovery compass has a similar texture to a normal compass
-New trident texture that has a wooden handle
-The honey bottle uses the same texture as the classic glass bottle
-All fish have a similar texture to the original blue fish
-Leather horse armor fits in with the other classic textures
-All leather items share the same color scheme
-Other misc changes returning old textures


Entities:
-All passive mobs now have the "derpy eyes"
-Return of the classic villager textures plus a few new ones
-Pillagers/Illagers now appear more like villagers
-Return of the classic zombie villager
-Return of zombie pigmen*
-Piglins now use the unused pigman textures*
-Turtles have a more vibrant color
-Cod now are blue like the classic fish item
-The warden is now a stone golem, with a red beating heart
-Drowned now look more like zombies
-Drowned's eyes glow*
-Sheep have classic colors*
-Phantoms are flying squids!*
-Banners now are made of wool

*Requires Optifine