World generation issues
MC-610Grass / Flowers / Snow are placed incorrectly in newly created chunks
Fixed
MC-2788Sheep wool color doesn't generate/randomize properly; generating villages resets world RNG
Awaiting Response
MC-5128Water generates wrong when next to land and needs to be updated to work.
Works As Intended
MC-5336Bonus chest doesn't always spawn on 'Snowy Kingdom' preset
Fixed
MC-7200Cave/tunnel generation may cut tunnels a bit too soon (fix included)
Fixed
MC-8187Two-by-two arrangements of jungle or spruce saplings cannot grow when there are adjacent blocks located north or west of the sapling formation
Normal
MC-13309Strongholds and mineshafts can intersect one another
Important
MC-16132Cave carvers don't cut through snow blocks
Fixed
MC-25014Villages on superflat without roads and stuff
Won't Fix
MC-29613Bonus chests generate on top of water
Normal
MC-30560River through Eroded Badlands biome generates floating rock formations at water surface
Fixed
MC-32186River in badlands biome causes trees and grass to generate
Duplicate
MC-32813Floating water / lava above caves / cave carver doesn't update water
Fixed
MC-55596Some chunks in the same world seed seem to have different versions
Normal
MC-58393Frozen rivers generate only near ice plains biome, not near other snow biomes
Works As Intended
MC-58771Simple Beach generate near Extreme Hills M instead of Stone Beach
Incomplete
MC-59308Dark/pale oak leaves sometimes do not generate centered on the tree
Fixed
MC-59540Creating superflat world without layers causes to get "Classic Flat"
Fixed
MC-64223Terrain generation causes very slow chunk loading
Invalid
MC-65628Desert pyramids generate underground when using amplified or custom terrain
Fixed
MC-72831Water lakes can generate in deserts
Fixed
MC-73051Witch Hut structure data do not account for height the witch hut is generated at
Cannot Reproduce
MC-77787Dungeons still generate when generate structures option is turned off
Won't Fix
MC-80824Spawning in some biomes causes "Unable to find spawn biome" warning
Fixed