Chunk Rendering

Chunk Rendering.

What I expected to happen was...:
Chunks rendering as normal and not glitching everywhere.

What actually happened was...:
Chunks rendered in and glitched everywhere. Shown in the picture

Steps to Reproduce:
1. Login to Minecraft 1.9
2. Join a server/singleplayer world
3. Leave server or save and quit to title
4. Join a server or singleplayer world