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v0.17.0

Comfy-Org/ComfyUIv0.17.0Mar 13, 2026by github-actions[bot]

AI Summary

Introduces a modular asset scanner architecture and supports Flux 2 Klein KV cache models. Includes the reversion of the external distributed caching API.

Key Highlights

  • Modular architecture for asset scanner
  • Support Flux 2 Klein KV cache model
  • Add pre/post attention patches for models
  • Revert external distributed caching API

New Features

  • Modular asset scanner
  • Flux 2 KV cache support
  • Pre/post attention patches
  • Painter node
  • KV cache memory reduction

Full Release Notes

## What's Changed
* refactor(assets): modular architecture + async two-phase scanner & background seeder by @luke-mino-altherr in https://github.com/Comfy-Org/ComfyUI/pull/12621
* comfy-aimdo 0.2.9 by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12840
* Import assets seeder later, print some package versions. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12841
* Fix text encoder lora loading for wrapped models by @kijai in https://github.com/Comfy-Org/ComfyUI/pull/12852
* Update workflow templates to v0.9.18 by @comfyui-wiki in https://github.com/Comfy-Org/ComfyUI/pull/12857
* fix(manager): improve install guidance when comfyui-manager is not installed and bump manager version to v4.1b2 by @ltdrdata in https://github.com/Comfy-Org/ComfyUI/pull/12810
* Add a way for nodes to add pre attn patches to flux model. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12861
* model_detection: deep clone pre edited weights by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12862
* Widen OOM_EXCEPTION to AcceleratorError form by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12835
* main: switch on python faulthandler by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12868
* Allow model patches to have a cleanup function. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12878
* Add pre attention and post input patches to qwen image model. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12879
* comfy-aimdo 0.2.10 by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12890
* feat(api-nodes): add Reve Image nodes by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/12848
* fix: guard torch.AcceleratorError for compatibility with torch < 2.8.0 by @adiborochov in https://github.com/Comfy-Org/ComfyUI/pull/12874
* Fix issue with batch_size > 1 on some models. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12892
* Bump comfyui-frontend-package to 1.41.15 by @comfy-pr-bot in https://github.com/Comfy-Org/ComfyUI/pull/12891
* Bump comfyui-frontend-package to 1.41.16 by @comfy-pr-bot in https://github.com/Comfy-Org/ComfyUI/pull/12894
* Bump comfy-kitchen version to 0.2.8 by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12895
* Support flux 2 klein kv cache model: Use the FluxKVCache node. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12905
* add painter node by @jtydhr88 in https://github.com/Comfy-Org/ComfyUI/pull/12294
* fix: use frontend-compatible format for Float gradient_stops by @jtydhr88 in https://github.com/Comfy-Org/ComfyUI/pull/12789
* Update workflow templates to v0.9.21 by @comfyui-wiki in https://github.com/Comfy-Org/ComfyUI/pull/12908
* Lower kv cache memory usage. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12909
* Patch frontend to 1.41.18 (from 1.41.16) by @christian-byrne in https://github.com/Comfy-Org/ComfyUI/pull/12910
* feat: Add CacheProvider API for external distributed caching by @deepme987 in https://github.com/Comfy-Org/ComfyUI/pull/12056
* Revert "feat: Add CacheProvider API for external distributed caching" by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12912
* Fix audio extraction and truncation bugs by @PxTicks in https://github.com/Comfy-Org/ComfyUI/pull/12652

## New Contributors
* @luke-mino-altherr made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/12621
* @adiborochov made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/12874
* @deepme987 made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/12056
* @PxTicks made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/12652

**Full Changelog**: https://github.com/Comfy-Org/ComfyUI/compare/v0.16.4...v0.17.0