Affects Version/s: Minecraft 14w25b
Fix Version/s: None
Environment:Windows 7 Home Premium
Pentium(R) Dual-Core CPU E5400 @ 2.70GHz
4.00 GB (3.75 usable) RAM
GeForce 7050 / nForce 620i
Java 7 32 and 64
Windowed 500x326 with Graphics: Fast
Advanced OpenGL has been on with these transparent blocks and turning Advanced OpenGL on and off brings the blocks nearby back but I find new transparent blocks if I travel. Turning Advanced OpenGL off completely eliminates the transparent blocks and increases performance overall.
Transparent blocks in areas accompanied by a slowed frame rate when facing that general vicinity.