ComfyUI • July 28, 2026
Build a ComfyUI Custom Node 2026: V3 Schema From Scratch
V3 froze V1 in 2026. New nodes ship as proper extension classes with async entrypoints. Full code walkthrough plus Vue widget integration.
V3 froze V1 in 2026. New nodes ship as proper extension classes with async entrypoints. Full code walkthrough plus Vue widget integration.
Complete guide to ComfyUI V3 custom node schema. Learn how to migrate V1 nodes to V3, build new nodes with define_schema and comfy_entrypoint, publish subgraphs, and test your V3 nodes.