Mojang Priority

Wrong attack radius calculation damages/kills entities through blocks and corners

Mobs can sometimes still despawn, even if named with a name tag

Entities become invisible under certain conditions

Spawner with weight 0 crashes game

Setting Json text value to null throws exceptions and crashes

Mob pathfinding AI does not regard some blocks as obstructions and is unable to pathfind on top of them

End crystals placed on exit portals generated before 1.9 do not respawn the ender dragon

Narrator still crashes on linux, flite installed

Entities crossing dimensions through nether portal causes tremendous lag

Air can be used in custom recipes, causing a crash

Bad server side performance since 1.14

A passenger of a boat is not saved if the passenger is in a different chunk than the boat

Intermittent Exit code -1073741819 while using 2 core cpus on 1.13.2 and above, runs fine on 1.13.1

Server can get stuck while teleporting between dimensions

Terrible performance with large forest fires

Linux game crash when opening links

Zombie pigmen will spread their anger forever if they can continously respawn

Crash when loading world: java.util.ConcurrentModificationException when using Java 11 or above

Chunks sometimes are dislocated / copied to another location

Multiple villagers are attached to the same profession block

Entities (Villagers) cause massive lag when attempting to pathfind

Villagers are not pathfinding towards their POI; POI detection range is too small

When a player joins a server, everything that happened during the time offline queued on connecting to the server

Item frames in the world disappear and cause multiple error messages in the server console / Placing an item frame causes the client to crash

Crash when opening the game in the ender dragon boss fight (java.lang.NullPointerException: Colliding entity with block)

Some chest loot is randomized across the same seed, unlike before 1.14

Ghost blocks remain when insta-mining; reappearance of MC-5694

Player position is constantly reset when clicking with a sword or a trident onto the ground in creative mode

Server Crash (Exception ticking world: ConcurrentModificationException)

Entering certain chunks causes FPS drops