Unlike modern versions, 1.12.2 is older and requires specific mod and shader versions to work properly. Shaders require OptiFine. For 1.12.2, you need OptiFine 1.12.2 HD U G5 (the last stable version for that release).
| Shader Pack | Version to Download | Notes | |-------------|--------------------|-------| | (Sonic Ether’s) | SEUS Renewed 1.0.1 | Best for high-end PCs | | BSL | BSL v7.2 (or older) | Balanced performance/visuals | | Complementary | Complementary v4.6 (last 1.12.2 build) | Fantastic colors | | Sildur's | Sildur's Vibrant v1.27 | Works on most GPUs | | Chocapic13 | Chocapic13 V6 (or V7 for 1.12.2) | Lightweight options | shaders 1.12.2