Always update your community graphic packs. For Breath of the Wild , 1.27.1 works flawlessly with "FPS++" to unlock frame rates above 30 FPS. Why Version 1.27.1 Specifically?
: NVIDIA or AMD with at least 2GB VRAM; a GTX 1080 Ti or equivalent is recommended for high-quality emulation. cemu 1.27.1
Even a polished update has quirks. Here are the top three problems users face and the fixes. Always update your community graphic packs