Truly-Default

• MCPE-46125 Outdated textures

• MC-182315 Steve and Alex don't use their updated textures from Bedrock Edition
• MC-165686 Knowledge/recipe book doesn't use its updated texture

• MCPE-80434 Player Head doesn't use Bedrock Edition's updated Steve texture

• MCPE-49850 Bed item textures use outdated colors

• Zombie Villagers are named inconsistently compared to Zombified Piglins

• Pigs are outdated and inconsistent compared to Piglins and Hoglins

• MC-189227 Tutorial toasts use outdated textures

• MC-176833 Hammer in the anvil GUI uses outdated textures

• MCPE-43953 Item outlines in multiple UIs use outdated outlines

• MC-168716 Spectator widgets use outdated textures

• MC-168156 Bow texture is outdated and inconsistent with crossbows

• Bubbles don't use their updated texture

• MC-194822 The top of glass panes use outdated and inconsistent colors

• MC-202910 Gold and diamond armor have inconsistent highlight colors

• MC-202839 Netherite armor uses outdated and inconsistent colors

• MC-181546 Arrow texture is outdated

• MCPE-101395 Observer tops are outdated and inconsistent

• MC-94874 Acacia saplings use outdated and inconsistent colors

• MC-150567 Dark oak log top uses outdated bark texture

• MC-150572 Cactus bottom uses outdated colors

• MC-204899 Podzol side texture is outdated and inconsistent

• MC-204901 Dirt path side texture is outdated and inconsistent

• The top of grass blocks are outdated and inconsistent compared to grass block sides

• MC-176832 Misplaced pixel on spruce planks

• Dried Kelp uses inconsistent colors when compared to dried kelp blocks

• Spawn eggs don't use their updated textures

• MC-137913 Signs items are inconsistent when compared to oak, crimson, and warped signs

• MC-178067 Rabbit stew texture placement is misaligned 

• MC-182084 Warped fungus on a stick texture placement is misaligned

• Dark oak boat item texture has inconsistent colors

• MC-160256 Door item textures are outdated and inconsistent

• MC-186123 Piglins, Hoglins, Zombified Piglins, and Zoglins all have right limbs

• MC-186193 Villager, Illager, and Zombified Villager necks are all outdated and inconsistent

• MC-107951 Cows and Mooshrooms have discontinuous spots

• MC-152506 Wither skull projectiles use outdated and inconsistent textures

• MC-152506 Bottom of blaze entity rods are bugged

• MC-162748 Drowned hand texture is outdated and inconsistent

• MC-183180 The back of zombie and witch shoes are missing pixels

• MC-205288 Zombified Villager arms have misplaced textures

• Illager and Zombified Villager hands are inconsistently mirrored compared to Steve and Alex

• MC-222518 Skeleton horses and zombie horses use outdated chests and saddles

• MC-206192 Silverfish and endermite were left out of the texture update

• All music discs excluding Pigstep and Disc 11 are outdated and inconsistent

• Chests and trapped chests are outdated and inconsistent

• Shulkers were left out of the texture update

• MC-187217 Iron nuggets are outdated and inconsistent compared to gold nuggets

• Parrots were left out of the texture update

• Stripped oak logs are outdated and inconsistent

• Stripped birch logs are outdated and inconsistent

• Stripped acacia logs are outdated and inconsistent

• Concrete powder is outdated and inconsistent

• Recipe book GUI uses outdated colors and textures

• Statistics icons use outdated and inconsistent textures

• Firework stars are outdated and inconsistent compared to gunpowder
• Blaze rods are outdated and inconsistent when compared to brewing stands and blazes
• Blaze powder is outdated and too noisy

• Crossbows are missing a pixel

• Furnace minecart item furnace outline uses chest coloring

• Wheat, melon, and pumpkin seeds are all outdated and inconsistent compared to beetroot seeds and cocoa beans

• Nether wart item is outdated and inconsistent when compared to Nether wart, Nether wart blocks, beetroot seeds, and cocoa beans
• Trident riptide doesn't use its updated Bedrock Edition texture
• MC-160720 End crystal base uses Programmers Art bedrock texture

• MC-222763 Armor stand uses Programmers Art smooth stone texture
• Map icons are outdated and use inconsistent colors

• Purple glazed terracotta uses old sword design

Quality of life changes:

• Experience orbs use their updated shapes from Minecraft Earth

• Dragon fireballs now use their unique Bedrock Edition texture
• Tons of items, blocks, and mobs now glow with the power of emissive textures

• The Splash Text update - Tons of splash texts from multiple versions of Minecraft has been added
• Cows have 3D snouts to be more consistent with other animals and merch

• Snow itself has been updated to match powder snow

• Wolf and cat collars have been updated for an overall consistency 
• Fishing bobbers have been updated for an overall consistency
• Tons of outdated Realms textures have been updated for an overall consistency