Minecraft 18w05a

Most text boxes / chat / scroll bars revert when the window changes size, fullscreen mode is toggled, or fullscreened game is tabbed into

Pets disobeying sit commands by helping player when attacked and within a certain radius

Cannot move backwards in Books while writing / Cannot copy anything from the book

Several mobs can pop off paintings, item frames and leads and destroy minecarts, armor stands and anything in item form even when mobGriefing is turned off

Redstone wire uses different criteria for connecting visually and logically

No -breaking sound or- particle effect for some tools and all armor

Naturally generated light sources (fire, glowstone, torches etc.) sometimes do not emit light

World turns completely black when having night vision, and being in the void or having blindness

In creative mode, flying down is stopped when brushing up against ladders or vines.

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

Water/lava bucket can be used to destroy ladders

Fires can leave ghost lighting behind

Wrong rendering order of particles, hitboxes, clouds, transparent blocks, breaking animations and various other transparent textures

Server side particle spawning does not create particles for client

Huge lighting updates lag the game.

Wither skeletons and zombie pigmen won't go through lava to get to enemies, even though they can't burn

Horse Breeding never exceeds egg/spawn horse attributes

Villagers play the trade sound multiple times overlapping on shift-click

Sun jitters when doDaylightCycle is false

Reducing maxHealth / max_health can cause fake death

Pre 1.14: Terrain inside villager hut

Most text boxes / chat / scroll bars revert when the window changes size, fullscreen mode is toggled, or fullscreened game is tabbed into

Pets disobeying sit commands by helping player when attacked and within a certain radius

Cannot move backwards in Books while writing / Cannot copy anything from the book

Several mobs can pop off paintings, item frames and leads and destroy minecarts, armor stands and anything in item form even when mobGriefing is turned off

Redstone wire uses different criteria for connecting visually and logically

No -breaking sound or- particle effect for some tools and all armor

Naturally generated light sources (fire, glowstone, torches etc.) sometimes do not emit light

World turns completely black when having night vision, and being in the void or having blindness

In creative mode, flying down is stopped when brushing up against ladders or vines.

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

Water/lava bucket can be used to destroy ladders

Fires can leave ghost lighting behind

Wrong rendering order of particles, hitboxes, clouds, transparent blocks, breaking animations and various other transparent textures

Server side particle spawning does not create particles for client

Huge lighting updates lag the game.

Wither skeletons and zombie pigmen won't go through lava to get to enemies, even though they can't burn

Horse Breeding never exceeds egg/spawn horse attributes

Villagers play the trade sound multiple times overlapping on shift-click

Sun jitters when doDaylightCycle is false

Reducing maxHealth / max_health can cause fake death

Pre 1.14: Terrain inside villager hut