Affects Version/s: Minecraft 14w19a
Fix Version/s: None
Environment:OS: Windows 8.1 Pro w/ Update
JVM: Oracle JVM 1.8 64-Bit
GPU: NVIDIA GeForce GTX 780
GPU Driver: GeForce 335.23 Driver
MC Version: 14w19a
It appears that the sides of some of the slime blocks are rendering through the sides and faces of other blocks creating a very odd effect.
See more in the attached images.