Complementary Shaders 1.21, 1.21.4, 1.21.3 → 1.20
EminGTR’s Complementary shader is useful for both high-end and low-end computers. This is because you can make a seemingly infinite number of customizations in the settings. In addition, the developer is incredibly active and documents everything in great detail. A complete changelog has been updated for several years, and it contains interesting information.