1.1.20

SWivid/F5-TTS1.1.20Apr 20, 2026by SWivid

AI Summary

The update addresses stability issues during training by refactoring internal cache handling to prevent EMA deepcopy failures and resolves UI freezing by restricting the Gradio version.

Key Highlights

  • Refactored cache handling in DiT, MMDiT, and UNetT for training stability
  • Capped Gradio version 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