v1.3.1

mickael-kerjean/filestashv1.3.1Feb 6, 2026by denizsafak

AI Summary

This release introduces a Flask-based Web UI, EPUB 3 packaging pipeline, and GPU-accelerated TTS support, alongside a major codebase reorganization to support both desktop and web interfaces.

Key Highlights

Flask-based Web UI for Docker and headless server deployments
EPUB 3 packaging pipeline with media overlay support
GPU-accelerated Supertonic TTS engine
Multi-voice support with speaker/role assignment
Integration with Calibre OPDS and Audiobookshelf

New Features

EPUB 3 packaging pipeline for media-overlays
Persisted chunk timing metadata in job artifacts
Flask-based Web UI (`abogen-web`)
Codebase reorganization for shared core (PyQt6 & Web UI)
Supertonic TTS engine with GPU acceleration
Entity analysis and pronunciation override system
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
```