To achieve peak performance and visual fidelity with "Top" tier settings, use the following stack: Mod Loader Minecraft Forge Core Shaders Mod (Forge port of Iris). Rendering Engine (Crucial for Oculus to work and for FPS stability). Shader Pack SEUS PTGI HRR 3
mod is critical. It fixes a performance drop where shaders would normally disable efficient entity rendering (GPU Instancing) used by mods like Known Conflicts : As of late 2024, Distant Horizons seus ptgi iris compatibility oculus forge top