Player head and hitbox will be visible when rejoining a world with "spectatorsGenerateChunks" set to false while being in spectator mode and in a non-entity-ticking chunk

ConversionTime, DrownedConversionTime and StrayConversionTime fields cannot be set to a negative value

Continuously altering the data of a mob makes that mob unable to turn its head left and right and will make the lead unbreakable if that mob was leashed

Some village crops might not spawn if it's under/next to a tree

"/loot ... fish/loot" does not show all command suggestions

Underground structures can spawn in trees

Note block above infested blocks makes harp sound

Placing a powder snow bucket will show the empty hand for a short time

Kelp, seagrass, coral, dead coral, coral fan, dead coral fan and conduit can hold water from flowing

Rain/snow goes through chorus flowers and chorus plants

Half floating tall grass in deep dark Single Biome world

Grass, Tall Grass and Flowers can generate on sculk in deep dark Single Biome world

Some items held by allays are floating or off center

Cannot copy NBT of a boat with chest using pick block

Rain and snow can go through coral but can't go through dead coral