v0.3.34

Comfy-Org/ComfyUIv0.3.34May 13, 2025by github-actions[bot]

AI Summary

This release focuses on ACE Step model support, memory mapping improvements for loading models, and various fixes related to samplers and VAEs.

Key Highlights

Add ACE Step to README
Add --mmap-torch-files to enable use of mmap when loading ckpt/pt
Fix res_multistep_ancestral and res_multistep_ancestral_cfg_pp sampler
ACE VAE works in fp16

New Features

ACE Step model support
Mmap torch files support for ckpt/pt loading
Sampler fixes (res_multistep_ancestral)
ACE VAE fp16 support
Stream text to node UI method

Full Release Notes

## What's Changed
* Add ACE Step to README. by @comfyanonymous in https://github.com/comfyanonymous/ComfyUI/pull/8005
* Add --mmap-torch-files to enable use of mmap when loading ckpt/pt by @comfyanonymous in https://github.com/comfyanonymous/ComfyUI/pull/8021
* move SVG to core by @thot-experiment in https://github.com/comfyanonymous/ComfyUI/pull/7982
* Use normal ComfyUI attention in ACE-Steps model by @blepping in https://github.com/comfyanonymous/ComfyUI/pull/8023
* Update node tooltips and validation by @christian-byrne in https://github.com/comfyanonymous/ComfyUI/pull/8036
* Fix res_multistep_ancestral and res_multistep_ancestral_cfg_pp sampler by @pamparamm in https://github.com/comfyanonymous/ComfyUI/pull/8030
* Fix issue with fp8 ops on some models. by @comfyanonymous in https://github.com/comfyanonymous/ComfyUI/pull/8045
* Add method to stream text to node UI by @christian-byrne in https://github.com/comfyanonymous/ComfyUI/pull/8018
* Add support for Comfy API keys by @christian-byrne in https://github.com/comfyanonymous/ComfyUI/pull/8041
* ACE VAE works in fp16. by @comfyanonymous in https://github.com/comfyanonymous/ComfyUI/pull/8055
* Remove extraneous `aspect_ratio` field from Kling I2V by @christian-byrne in https://github.com/comfyanonymous/ComfyUI/pull/8062
* Fix torch warning about deprecated function. by @comfyanonymous in https://github.com/comfyanonymous/ComfyUI/pull/8075


**Full Changelog**: https://github.com/comfyanonymous/ComfyUI/compare/v0.3.33...v0.3.34