Chunks are rendered in an improper order

Not all resources appear correctly when obtaining gravel or wheat

Fog generates only in the centre of the screen

Boat synchro problems

Game require more and more resources with new version without optimizing

Rare possibility to find with a witch - she can drown by herself.

Passive mobs kill on cacti

Various ocelots spawning problems, again

Mobs do not run away from lava

Some biomes too rare or absent in new MC worlds

Some new biomes/biome variants do not differ from their basic types

Cold Taiga biomes have become rare

Rivers are not frozen in all cold biomes

Frozen river biome creates sugar cane

/give spawn_egg command does not work properly