The texture of coral zombie nautiluses has unused & hidden parts

Nautilus have unshaded/untextured spots

Pufferfish don’t puff up around Nautiluses like Bedrock

Dolphins don't follow players riding nautiluses like in Bedrock Edition

The model of zombie horses has subtle parity differences

Parched seem to erroneously have the top of their pelvis textured

Parched texture lacks parity with Bedrock edition

Happy ghasts tempted by snowballs are slower than in Bedrock Edition, affecting gameplay

Items do not render inside boats

Sounds produced by adult happy ghasts cannot be heard from far enough away, due to MC-296376's fix

Happy ghasts' ambient riding loop is so quiet it's physically impossible for some to hear

Happy ghasts' special lead texture does not apply without a harness on, despite being textured enough to imply it should be seen

New wolf sound variant sounds are quieter compared to the classic sounds

Blazes and breezes use "large" spawn eggs despite mobs of a similar size using "medium"

Firefly bushes generate in smaller groups compared to Bedrock Edition

Firefly bushes don't produce as many, or as constant, amounts of particles as on Bedrock Edition

Temperate cow model in Java does not have its new horn placement from Bedrock Edition

Cold Cows have improperly mirrored and incorrectly aligned ear textures

Temperate cows have strange mapping/harsh borders because of the leg texture becoming mirrored

Snout of the new cow model is offset vertically by 0.1 pixels

Players no longer make the fall damage "bone cracking" sound, and lack the subtitle

Wolves aren't given the "Snowy" variant in other mountain biomes, leading to wolves spawning in Groves sometimes being Pale

Wolf Armor no longer shows cracks when damaged

“Encounter” rooms in Trial Chambers generate extremely rarely

Trial Chamber’s Assembly dispenser/pressure plate trap does not damage the player

In the Eruption room in trial chambers, dripstone no longer generates under the fountain

Breezes will continuously pathfind to a spot even if held back by damage, leading to easy kills

Baby Armadillos don't spawn naturally

Breezes missing higher fidelity jump animation from Bedrock

Breezes don’t move their heads to look around at all

Wolves no longer teleport while trying to pathfind out of Lava

New Bat's ears are lower than the official render and Bedrock's

Sniffers attached to a lead will dig in the same spot forever, ignoring "explored positions"

Chestplate arms have clipping issues because of idle animations, exacerbated by Armor Trims

Flower Pots do not utilize the "Pot" sounds

Wardens do not detect "Flapping" from mobs like Parrots and Allays when Sculk Sensors do

Wardens do not pathfind to the source of vibrations through resonance despite knowing their location when hostile

Sniffers won't eat Pitcher Pods but Chickens and Parrots will

Feeding a Sniffer while it is digging causes it to lay motionless for a while then dig again with no animation