Item is not in correct position of hand when shifting

Failed to load texture: minecraft:skins

New chunks not loading

In the Customized world settings, the biome selection doesn't work properly.

Extreme Hills having both snow and rain?

I was playing Minecraft on a multiplayer server, when the decides to just randomly exit out on me. This happened to me while I was playing in game. I was not paused, and I didn't hit "exit game" or any other menu button.