Diffusion Workflows
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ComfyUI LoRA Loader Node Explained: Strengths and Chaining
What LoraLoader actually does to your weights, what strength_model and strength_clip scale, how chaining works, and why keys fail to load.
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ComfyUI Workflow JSON vs PNG Metadata: Which One to Ship
ComfyUI workflow JSON vs PNG metadata: what each format holds, why tEXt chunks vanish on re-encode, and how to extract and store the graph.
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How ComfyUI Graphs Execute and Where VRAM Goes
Node graph execution order, result caching, VRAM pressure across the three failure stages, and custom node dependency management in ComfyUI.