v0.21.1

## What's Changed
* [Partner Nodes] new Flux2ImageNode and GrokImageEditNodeV2 nodes by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/13814
* [Partner Nodes] new ByteDanceSeedreamNodeV2 node with DynamicCombo and Autogrow by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/13811
* [Partner Nodes] new OpenAI Image node with DynamicCombo and Autogrow by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/13838
* model_patcher: Fix safetensors saving of fp8 (CORE-160) by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/13835
* Support anima TE lora kohya format. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/13847
* feat: Support HiDream-O1-Image (CORE-187) by @kijai in https://github.com/Comfy-Org/ComfyUI/pull/13817
* Fix dtype issue with hidream o1 by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/13849
* [Partner Nodes] fix Quiver nodes by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/13851
* Mark deprecated cloud-runtime endpoints in spec by @MillerMedia in https://github.com/Comfy-Org/ComfyUI/pull/13789
* Suppress false-positive Spectral lint on WebSocket endpoint by @MillerMedia in https://github.com/Comfy-Org/ComfyUI/pull/13842
* Fix LTXV mid-video multi-frame guide alignment (CORE-129) by @drozbay in https://github.com/Comfy-Org/ComfyUI/pull/13625
* Revert some breaking changes. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/13861
* fix: create input directory if missing in LoadAudio define_schema by @angad777 in https://github.com/Comfy-Org/ComfyUI/pull/13834
* Better Hidream O1 mem usage factor for non dynamic vram. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/13864
* chore: update embedded docs to v0.5.0 by @comfyui-wiki in https://github.com/Comfy-Org/ComfyUI/pull/13865
* Add Create Video to the essentials tab by @AustinMroz in https://github.com/Comfy-Org/ComfyUI/pull/13863
* feat: Extend Save3D to save vertex colors and textures (CORE-189) by @kijai in https://github.com/Comfy-Org/ComfyUI/pull/13824
* [Partner Nodes] add Claude LLM node by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/13867
* chore: update workflow templates to v0.9.75 by @comfyui-wiki in https://github.com/Comfy-Org/ComfyUI/pull/13877
* Fix VOID failing with RuntimeError:  … by @Talmaj in https://github.com/Comfy-Org/ComfyUI/pull/13873

## New Contributors
* @angad777 made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/13834

**Full Changelog**: https://github.com/Comfy-Org/ComfyUI/compare/v0.21.0...v0.21.1