Kokoro-FastAPI/CHANGELOG.md

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# Changelog
Notable changes to this project will be documented in this file.
## [v0.1.2] - 2025-01-23
### Structural Improvements
- Models can be manually download and placed in api/src/models, or use included script
- TTSGPU/TPSCPU/STTSService classes replaced with a ModelManager service
- CPU/GPU of each of ONNX/PyTorch (Note: Only Pytorch GPU, and ONNX CPU/GPU have been tested)
- Should be able to improve new models as they become available, or new architectures, in a more modular way
- Converted a number of internal processes to async handling to improve concurrency
- Improving separation of concerns towards plug-in and modular structure, making PR's and new features easier
### Web UI (test release)
- An integrated simple web UI has been added on the FastAPI server directly
- This can be disabled via core/config.py or ENV variables if desired.
- Simplifies deployments, utility testing, aesthetics, etc
- Looking to deprecate/collaborate/hand off the Gradio UI
## [v0.1.0] - 2025-01-13
### Changed
- Major Docker improvements:
- Baked model directly into Dockerfile for improved deployment reliability
- Switched to uv for dependency management
- Streamlined container builds and reduced image sizes
- Dependency Management:
- Migrated from pip/poetry to uv for faster, more reliable package management
- Added uv.lock for deterministic builds
- Updated dependency resolution strategy
## [v0.0.5post1] - 2025-01-11
### Fixed
- Docker image tagging and versioning improvements (-gpu, -cpu, -ui)
- Minor vram management improvements
- Gradio bugfix causing crashes and errant warnings
- Updated GPU and UI container configurations
## [v0.0.5] - 2025-01-10
### Fixed
- Stabilized issues with images tagging and structures from v0.0.4
- Added automatic master to develop branch synchronization
- Improved release tagging and structures
- Initial CI/CD setup
## 2025-01-04
### Added
- ONNX Support:
- Added single batch ONNX support for CPU inference
- Roughly 0.4 RTF (2.4x real-time speed)
### Modified
- Code Refactoring:
- Work on modularizing phonemizer and tokenizer into separate services
- Incorporated these services into a dev endpoint
- Testing and Benchmarking:
- Cleaned up benchmarking scripts
- Cleaned up test scripts
- Added auto-WAV validation scripts
## 2025-01-02
- Audio Format Support:
- Added comprehensive audio format conversion support (mp3, wav, opus, flac)
## 2025-01-01
### Added
- Gradio Web Interface:
- Added simple web UI utility for audio generation from input or txt file
### Modified
#### Configuration Changes
- Updated Docker configurations:
- Changes to `Dockerfile`:
- Improved layer caching by separating dependency and code layers
- Updates to `docker-compose.yml` and `docker-compose.cpu.yml`:
- Removed commit lock from model fetching to allow automatic model updates from HF
- Added git index lock cleanup
#### API Changes
- Modified `api/src/main.py`
- Updated TTS service implementation in `api/src/services/tts.py`:
- Added device management for better resource control:
- Voices are now copied from model repository to api/src/voices directory for persistence
- Refactored voice pack handling:
- Removed static voice pack dictionary
- On-demand voice loading from disk
- Added model warm-up functionality:
- Model now initializes with a dummy text generation
- Uses default voice (af.pt) for warm-up
- Model is ready for inference on first request