v1.3.1

mudler/LocalAIv1.3.1Feb 6, 2026by denizsafak

AI Summary

This release focuses on significant architectural improvements and new features for the abogen project, including a massive contribution that enabled a Web UI and EPUB 3 pipeline, alongside enhanced TTS capabilities and metadata persistence.

Key Highlights

Massive contribution (>55k lines) bringing Web UI and EPUB 3 pipeline to life
Added Flask-based Web UI for Docker and headless deployments
Added Supertonic TTS engine support with GPU acceleration
Added entity analysis and pronunciation override system

New Features

EPUB 3 packaging pipeline
Persisted chunk timing metadata
Reorganized codebase for shared core
Entity analysis and pronunciation override
Speaker/role assignment for multi-voice 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
```