When I create a new world the chunks don't load properly and become mega glitchy. this problem only started happening since 1.9 and the game works fine on previous versions. I was playing on a previously created world with no problem earlier.
MC-100669
world generation buggy
Resolved
Duplicate
0
Aidan Newey
(Unassigned)
Unconfirmed
Minecraft 1.9.1, Minecraft 1.9.2
Retrieved
duplicate of MC-62958, follow the steps there to fix your issue