minecraft:villager_plantable_seeds tag does not allow farmer Villagers to pick up items

Spawner blocks with SpawnPotential and no SpawnData will crash during worldgen

NBT pieces overriding a block entity during worldgen deadlocks/stalls the game

"1x1_b5.nbt" piece does not generate in woodland mansions

Strongholds not respecting biome's structure entries in worldgen datapacks

Adding ocean monuments to non-ocean/non-river biomes by datapack will not spawn the monument and causes the game to freeze upon '/locate monument'

Setting the weight in Template Pool to high values will lag world and can cause out of memory error.

Shulkers generated from nbt structure files will teleport immediately

Removal of custom dimension datapacks will make nether and/or end dimension disappear permanently

Missing structures will destroy saved worlds

Certain mobs in Mob Spawners will not render and will spam the logs with errors

Roofed Forest M biome are not spawning trees or tallgrass at all

Crash when reaching a certain area of a seed.

Overhangs and floating islands does not spawn grass/snow blocks below it anymore

Birch Forest M biome does not generate tall Birch Trees anymore

Cobblestone Wall becomes very dark even when light source is in front of it.

Render distance is at an unplayable low level now