One-click universal sampler for ComfyUI: Flow Matching + EDM, the HC3 integrator (third order at one model call per step, self-damping at high CFG), automatic per-model settings
https://github.com/HVOSTOVSKY/DDRK-Omega-Sampler
git clone https://github.com/HVOSTOVSKY/DDRK-Omega-Sampler
comfy node install ddrk-omega-sampler