There are so many shader packs and mods out there that the Shaders Mod 1.12. 2/1.11.2 might easily be over… | Minecraft shaders, Minecraft addons, Minecraft projects
Lite - Optimized Low Shaders For Minecraft 1.19.4, 1.19.2 | PC Java Mods
1.12.2 is the only version that optifine is broken in for me. Optifine_1.12.2_HD_U_F5, Sildurs Vibrant Shaders v.1.22 Lite. I have tried this with every shader pack and each one is affected by
Shaders for Minecraft 1.12.2
BEST High FPS / Low-End Shaders 2017 | Minecraft 1.12.2 - YouTube
KUDA Shaders Mod (1.19.4, 1.18.2) - New Lightning System - 9Minecraft.Net