Mojang Priority

Fall damage is ignored for a couple of seconds when reloading into LAN or singleplayer worlds

Grass / Flowers / Snow are placed incorrectly in newly created chunks

Redstone wire uses different criteria for connecting visually and logically

Stepping down while sneaking allows falling off of blocks

View distance affects mob spawning

Persistent Chunk error / Corrupted world / Wrong location spam

Structure related mobs do not spawn in flat type world generation

Last use of an anvil causes player to drop their item

Cured zombie villagers don't drop picked up items

Status effects are lost when returning to the overworld from the exit end portal

Lava / water / powder snow bucket desync when using it while rapidly turning

On certain enchanted items, the Anvil will display a "too expensive" message before attempting to repair, combine, or rename them

Reducing the player's base max health using /attribute does not always reduce their current health

Brewing stands reset brew cycle when unloaded

Client misses inventory updates while player is manipulating items - causes invisible items

Entities are not removed client-side when you are dead

Order of rendering translucent block faces fails to update with camera position

Teleporting ridden entity in unloaded chunks does not cause chunks to load for riding player

Blazes are able to see a player through blocks

Endermen don't attack endermites spawned using spawn eggs or /summon

Mob AI ignoring damage dealing blocks when randomly walking around/not fleeing when hit by them

Squids and glow squids do not collide properly with solid blocks