If the render distance is at 17 chunks or under, everything is perfectly fine.
I have put some pictures with what happens when the render distance is over 17 chunks.
MC-69406
The world glitches if the render distance is over 17 chunks
Resolved
Duplicate
0
Ponetchi Flavius
(Unassigned)
Unconfirmed
Minecraft 14w33c, Minecraft 14w34a, Minecraft 14w34b, Minecraft 14w34c, Minecraft 14w34d, Minecraft 1.8-pre1, Minecraft 1.8-pre2
Retrieved
Dupe of MC-62958