Minecraft 1.21.4 + Preview versions OptiFine - Minecraft performance tuning and advanced graphics

It allows Minecraft to run faster and look better with full support for HD textures and many configuration options. The official OptiFine description is on the Minecraft Forums.

OptiFine - Minecraft performance tuning and advanced graphics

OptiFine generally increases the FPS (200%+ is common) and in the worst case it should be the same as vanilla Minecraft. There are many reasons why in some cases the FPS with OptiFine …

Change cape To change the design of your OptiFine cape, deactivate it or move it to another username: Download and install latest OptiFine Start Minecraft with OptiFine Go to Settings -> …

(04.12.2019) OptiFine 1.14.4_HD_U_F4 - fixed crash with Java 9+ (#2964) - fixed shaders to stop chunk updates on shader pack reload (#3001) - added CEM for cat, fox, panda, phantom, …

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OptiFine 1.7.10_HD_U_D6 - fixed dynamic lights: blaze rod, blaze powder, glowstone dust, prismarine crystals, magma cream, spectator mode, tnt, creeper - fixed unicode font rendering …