v1.3.1

YassKhazzan/openperplex_backend_osv1.3.1Feb 6, 2026by denizsafak

AI Summary

A major update that brings a Web UI, an EPUB 3 packaging pipeline, and architectural improvements. The codebase is now reorganized to support both PyQt6 desktop and Web interfaces.

Key Highlights

Added Flask-based Web UI (abogen-web)
Added EPUB 3 packaging pipeline
Reorganized codebase for PyQt6 and Web UI sharing
Added Supertonic TTS engine support with GPU acceleration
Added multi-voice 'theatrical' audiobook support

New Features

EPUB 3 packaging pipeline
Flask Web UI
Supertonic TTS engine with GPU acceleration
Entity analysis and pronunciation override
Speaker/role assignment for multi-voice
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
```