v0.12.2

Comfy-Org/ComfyUIv0.12.2Feb 4, 2026by github-actions[bot]

AI Summary

This release introduces support for the 4B Ace Step 1.5 language model while fixing a VRAM leak in the dynamic VRAM management system and resolving crash issues related to the new model.

Key Highlights

Added support for 4B Ace Step 1.5 language model
Fixed VRAM leak by removing Aimdo exemption for empty_cache in dynamic_vram
Resolved crash issues with Ace Step 1.5 model

New Features

Support for 4B Ace Step 1.5 language model

Full Release Notes

## What's Changed
* Support the 4B ace step 1.5 lm model. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12257
* Dynamic_vram: Remove Aimdo exemption for empty_cache (fixes VRAM leak) by @rattus128 in https://github.com/Comfy-Org/ComfyUI/pull/12260
* Fix crash with ace step 1.5 by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12264


**Full Changelog**: https://github.com/Comfy-Org/ComfyUI/compare/v0.12.1...v0.12.2