●Change8

Migrating to ComfyUI v0.21.1

Version v0.21.1 introduces 1 breaking change. This guide details how to update your code.

Released: 5/13/2026

1
Breaking Changes
1
Migration Steps
14
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

Flux2ImageNodeGrokImageEditNodeV2ByteDanceSeedreamNodeV2OpenAI Image nodemodel_patcherQuiver nodescloud-runtime endpointsLTXVLoadAudioHidream O1Save3DClaude LLM nodeCreate Video nodeVOID

Breaking Changes

●Issue #1

Reverted some previously introduced breaking changes (see PR #13861).

Migration Steps

  1. 1
    Review changes related to the reverted breaking changes in PR #13861 if you were affected by the previous version.

Release Summary

This release introduces several new Partner Nodes, including image generation/editing and LLM nodes, alongside fixes for model saving, dtype issues, and alignment problems. Some previously introduced breaking changes were also reverted.

Need More Details?

View the full release notes and all changes for ComfyUI v0.21.1.

View Full Changelog