Bad frametimes and micro-stuttering

(Cave) spider eyes sometimes flicker (Texture Z-Fighting)

Render distance above the server settings reduces Framerate

Baby zombies take suffocation damage when they jump in a 2 tall celling

Minecart with furnace makes noise when not moving

The world re-renders each time you move the Mip-Mapping slider

"Sprinting" in minecarts changes FOV

"Sprinting" when swimimng changes FOV

Mobs and leads sometimes do not render

'cloud' particles visible on Particles:Minimal setting

Passive mobs still spawn on chunk creation if /gamerule doMobSpawning false

Sand, red sand, gravel and anvil flickers after hitting ground

Not enough memory allocated for long render distances

Beacon does not return unused iron/emerald/gold/diamond when broken

Incorrect age for cactus and sugar canes

Some blocks like water/lava source blocks and grass do not update properly after generation

Particles for Destroying Redstone Dust are Missing