v1.3.1

denizsafak/abogenv1.3.1Feb 6, 2026by denizsafak

AI Summary

Major release featuring Web UI, EPUB 3 pipeline, and architectural improvements with over 55k lines of code contributed. Introduces Supertonic TTS engine, multi-voice audiobook support, and library integrations.

Key Highlights

EPUB 3 packaging pipeline with media-overlay support
Flask-based Web UI (abogen-web) for Docker and headless deployments
Reorganized codebase supporting both PyQt6 desktop GUI and Web UI
Supertonic TTS engine with GPU acceleration
Calibre OPDS and Audiobookshelf integration

New Features

EPUB 3 packaging pipeline
Web UI (abogen-web)
Shared core architecture for GUI and Web UI
Supertonic TTS engine with GPU
Entity analysis and pronunciation override system
Speaker/role assignment for multi-voice theatrical audiobooks
Chunk timing metadata persistence in job artifacts

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
```