Large areas of missing blocks (possibly after reload)

Boats do not render where you leave them unless you leave the area or interact with them (multiplayer only)

Villagers+Golens walk at one block into the ground (multiplayer only)

Phantom can see the player through half slabs/stairs

Wandering traders spawns at the lowest point possible (thus, caves underground)

Villagers sleep outside of beds

Villagers invisible but keep all posts (beds are in use, job posts are in use, are counted towards population)

Drowned spawn at any light level

Render distance on W10 locked to max 16

Height view distance is too short even on highest setting (cloud related)

Passive mobs DESPAWN upon game reload

Hostile Mobs never despawn, clogging the world (spawners specially)

'Infinite' tall grass fire cannot be extinguished

Fireball stuck in mid air, even after leave/reload