1.1.20

takahirom/arbigent1.1.20Apr 20, 2026by SWivid

AI Summary

This release addresses stability issues in the diffusion transformer components and user interface by fixing cache management logic and restricting the Gradio version to prevent freezing.

Key Highlights

  • Refactored cache handling in DiT, MMDiT, and UNetT classes to fix EMA deepcopy errors during training
  • Restricted Gradio version to <6.11 to prevent UI freezing

Full Release Notes

## What's Changed
* fix: refactor cache handling in DiT, MMDiT, and UNetT classes (lazyinit to avoid EMA deepcopy failure while training)
* fix: cap Gradio version to <6.11 to prevent UI freeze by @will422-l in https://github.com/SWivid/F5-TTS/pull/1290

## New Contributors
* @will422-l made their first contribution in https://github.com/SWivid/F5-TTS/pull/1290

**Full Changelog**: https://github.com/SWivid/F5-TTS/compare/1.1.19...1.1.20