When in fast graphics mode and mipmap is off there is a flicking of grass in the distance.
Environment
Windows 7 Home Premium, 64 bit (Service Pack 1)
Pentium(R) Dual-Core CPU E5400 @ 2.70GHz
4.00 GB RAM
GeForce 7050 / nForce 620i
DirectX 11.0
Latest Java 7 32 and 64
see MC-61091