OptiFine HD A2 Standard for Minecraft 1.2.4 and 1.2.5(has built-in support for HD textures, HD fonts and BetterGrass, MCPatcher not needed)
Download OptiFine 1.2.5_HD_A2 (works with 1.2.4, added variable render distance, added sun, moon and stars in Tiny and Short distance, added option Sun&Moon, added separate configuration file, fixed RandomMobs, fixed bottom side of glass blocks with smooth lighting, fixed smooth lighting):
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OptiFine HD A2 Smooth for Minecraft 1.2.4 and 1.2.5(extends Standard edition, removes lag spikes)
FPS much smoother, no more stuttering and freezes.
The smooth version is cutting edge.
If it works the results are great, if not try the standard one it should always work.
Download OptiFine 1.2.5_HD_S_A2 (works with 1.2.4, added variable render distance, added sun, moon and stars in Tiny and Short distance, added option Sun&Moon, added separate configuration file, fixed RandomMobs, fixed bottom side of glass blocks with smooth lighting, fixed smooth lighting):
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OptiFine HD A2 Multi-Core for Minecraft 1.2.4 and 1.2.5(extends Smooth edition, uses second core on multi-core processors)
On a single-core processor: FPS much smoother, no more stuttering and freezes.
On a multi-core processor: 3x faster world loading, which also does not decrease the FPS.
The multi-core version is cutting edge.
If it works the results are great, if not try the standard one it should always work.
If you have problems with flashing or transparent blocks you can try:
A. Disable "Threaded Optimization" / "OpenGL Threading" in the graphics card control panel (example)
B. Enable "Vertical Synchronization" in the graphics control panel or set the option Performance to VSync.
Download OptiFine 1.2.5_HD_MT_A2 (works with 1.2.4, added variable render distance, added sun, moon and stars in Tiny and Short distance, added option Sun&Moon, added separate configuration file, fixed RandomMobs, fixed bottom side of glass blocks with smooth lighting, fixed smooth lighting):
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OptiFine HD A2 AA for Minecraft 1.2.4 and 1.2.5(extends Standard edition, supports Antialiasing and Anisotropic Filtering, examples)
The AA edition is still in development. It will be merged with the other editions when finished.
Download OptiFine 1.2.5_HD_AA_A2 (works with 1.2.4, added variable render distance, added sun, moon and stars in Tiny and Short distance, added option Sun&Moon, added separate configuration file, fixed RandomMobs, fixed bottom side of glass blocks with smooth lighting, fixed smooth lighting):
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Download 2(05.04.2012)