v0.16.3

Comfy-Org/ComfyUIv0.16.3Mar 5, 2026by github-actions[bot]

AI Summary

Fixes for LTX2 vocoder and LTX audio VAE to improve handling in low VRAM scenarios.

Key Highlights

  • Fix LTX2 vocoder conv_transpose1d manual cast
  • Fix LTX audio VAE for low VRAM

New Features

  • LTX2 vocoder fix
  • LTX audio VAE novram fixes

Full Release Notes

## What's Changed
* Add manual cast to LTX2 vocoder conv_transpose1d by @kijai in https://github.com/Comfy-Org/ComfyUI/pull/12795
* LTX audio vae novram fixes. by @comfyanonymous in https://github.com/Comfy-Org/ComfyUI/pull/12796
* feat: add causal_fix parameter to add_keyframe_index and append_keyframe by @tavihalperin in https://github.com/Comfy-Org/ComfyUI/pull/12797


**Full Changelog**: https://github.com/Comfy-Org/ComfyUI/compare/v0.16.2...v0.16.3