v1.3.1

IceWhaleTech/CasaOSv1.3.1Feb 6, 2026by denizsafak

AI Summary

This update introduces a web-based user interface, EPUB 3 packaging capabilities, and Supertonic TTS engine support with GPU acceleration, significantly expanding the platform's accessibility and audio generation features.

Key Highlights

  • Flask-based Web UI for Docker and headless server deployments.
  • EPUB 3 packaging pipeline for generating media-overlay audiobooks.
  • Supertonic TTS engine support with GPU acceleration.
  • Entity analysis and pronunciation override system for proper nouns.
  • Speaker/role assignment for multi-voice audiobooks.

New Features

  • Flask-based Web UI (abogen-web)
  • EPUB 3 packaging pipeline
  • Supertonic TTS engine support with GPU acceleration
  • Entity analysis and pronunciation override system
  • Speaker/role assignment for multi-voice 'theatrical' audiobooks
  • Calibre OPDS and Audiobookshelf integration

Full Release Notes

- Special thanks to [@jeremiahsb](https://github.com/jeremiahsb) for his [massive contribution](https://github.com/denizsafak/abogen/pull/120) (>55k lines!) that brought the Web UI, EPUB 3 pipeline, and core architectural improvements to life.
- Added an EPUB 3 packaging pipeline that builds media-overlay EPUBs from generated audio and chunk metadata.
- Persisted chunk timing metadata in job artifacts and exercised the exporter with automated tests.
- Added Flask-based Web UI (`abogen-web`) for Docker and headless server deployments.
- Reorganized codebase to support both PyQt6 desktop GUI and Web UI from a shared core.
- Added Supertonic TTS engine support with GPU acceleration.
- Added entity analysis and pronunciation override system for proper nouns.
- Added speaker/role assignment for multi-voice "theatrical" audiobooks.
- Added Calibre OPDS and Audiobookshelf integration.

Update:
```
uv tool update abogen
```