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v0.16.4

Comfy-Org/ComfyUIv0.16.4Mar 7, 2026by github-actions[bot]

AI Summary

Adds a new Math Expression node and updates API nodes to support TencentSmartTopology and Gemini 3.1 Flash-Lite models. Fixes fp16 audio encoder issues.

Key Highlights

  • Add Math Expression node
  • Add Gemini 3.1 Flash-Lite model to LLM node
  • Fix fp16 audio encoder models

New Features

  • Math Expression node
  • TencentSmartTopology node
  • Gemini 3.1 Flash-Lite support
  • Dynamic VRAM text encoder behavior

Full Release Notes

## What's Changed
* feat: add Math Expression node with simpleeval evaluation by @dante01yoon in https://github.com/Comfy-Org/ComfyUI/pull/12687
* feat(api-nodes): add TencentSmartTopology node by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/12741
* feat(api-nodes): add Gemini 3.1 Flash-Lite model to LLM node by @bigcat88 in https://github.com/Comfy-Org/ComfyUI/pull/12803
* Fix fp16 audio encoder models by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12811
* Don't run TE on cpu when dynamic vram enabled. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12815
* Fix requirements version. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12817
* Update workflow templates to v0.9.11 by @comfyui-wiki in https://github.com/Comfy-Org/ComfyUI/pull/12821
* mm: reset_cast_buffers: sync compute stream before free by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12822

## New Contributors
* @dante01yoon made their first contribution in https://github.com/Comfy-Org/ComfyUI/pull/12687

**Full Changelog**: https://github.com/Comfy-Org/ComfyUI/compare/v0.16.3...v0.16.4