# flick_player v0.9.0-beta.1 Release Notes
## What's New
### UAC2 USB Audio Support (Beta)
- USB Audio Class 2 device detection and connection management
- Automatic audio format negotiation
- Device hotplug monitoring with fallback to default audio output
- Volume control and stream configuration for UAC2 devices
### UI Improvements
- Refactored recently played screen with animated cards
- Improved text contrast across player and settings screens
- Pipeline info and transfer stats widgets for audio debugging
### Documentation
- Comprehensive UAC2 architecture and API documentation
- Getting started guides and troubleshooting documentation
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## Known Limitations (Beta)
- UAC2 support is experimental on Android
- Some USB audio devices may not be fully compatible
- Performance optimizations for large music libraries pending
## Coming in v0.9.0
- Enhanced UAC2 device compatibility
- Crossfade and gapless playback refinements
- Playlist management improvements
- Additional equalizer presets
- Bug fixes and performance improvements
