Adds windowed, curved shift control for Flow Matching samplers (SD3-style / flow schedules). It is a drop-in replacement for Comfy's included ModelSamplingSD3 node.
https://github.com/SparknightLLC/ComfyUI-ModelSamplingSD3Advanced
git clone https://github.com/SparknightLLC/ComfyUI-ModelSamplingSD3Advanced
comfy node install comfyui-modelsamplingsd3advanced