# Changelog

All notable changes to Audio Visualizer Pro will be documented in this file.

## [2.0.0] - 2026-05-01

### 🎉 Major Redesign - Tailwind CSS Edition

#### Added
- ✨ Complete redesign using Tailwind CSS
- 🎨 4 theme options (Dark, Light, Midnight, Sunset)
- 📱 Enhanced mobile experience with gestures
- 🎯 6 quick preset templates
- 📹 Advanced recording with 4 quality levels
- 🎚️ 10-band audio equalizer with 8 presets
- 💾 Settings export/import system
- 🔗 Share settings via URL
- 📚 Interactive tutorial system
- 🌐 PWA support (installable app)
- 🔌 Offline mode with Service Worker
- 👆 7 touch gestures for mobile
- ⌨️ 15+ keyboard shortcuts
- 🎵 Enhanced beat detection
- 📊 Multiple visualizer modes (Spectrum, Waveform, Circular)
- 🔔 Notification system
- 💡 Keyboard hints
- 🎨 Watermark toggle for screenshots
- 🔋 Battery-aware optimizations
- 📱 Haptic feedback support
- 🌈 Rainbow mode easter egg
- 🎭 Welcome screen
- 📖 In-app documentation

#### Improved
- 🚀 Performance optimizations (60 FPS target)
- 📱 Mobile responsiveness
- 🎨 UI/UX with Tailwind CSS
- 🔊 Audio processing
- 🎥 Recording quality options
- 💾 Local storage management
- ♿ Accessibility (ARIA labels, keyboard navigation)
- 🎯 Touch targets for mobile
- 🔄 Smooth animations and transitions
- 📊 Analytics and usage tracking

#### Fixed
- 🐛 Mobile layout issues
- 📱 Touch event handling
- 🔊 Audio context initialization
- 🎨 Color scheme consistency
- 📹 Recording on mobile devices
- 🔄 Panel scroll behavior

### Technical Details
- **Framework**: Vanilla JavaScript (ES6+)
- **Styling**: Tailwind CSS (CDN)
- **Bundle Size**: ~15KB (HTML) + CDN
- **Performance**: 60 FPS, GPU accelerated
- **Browser Support**: Chrome 90+, Firefox 88+, Safari 14+, Edge 90+

## [1.0.0] - 2026-04-30

### Initial Release
- 🎵 6 visualization modes
- 🎨 5 color schemes
- 🎤 Microphone input
- 📁 Audio file upload
- 📹 Basic video recording
- 📸 Screenshot capture
- ⚙️ Settings panel
- 📊 FPS counter
- 🎯 Beat detection

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## Version History

### v2.0.0 (Current)
- **Release Date**: 2026-05-01
- **Status**: Stable
- **Changes**: Complete Tailwind CSS redesign
- **Breaking Changes**: None (backward compatible)

### v1.0.0
- **Release Date**: 2026-04-30
- **Status**: Deprecated
- **Changes**: Initial release with custom CSS

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## Upgrade Guide

### From v1.0.0 to v2.0.0

No breaking changes! Your saved settings will be automatically migrated.

**What's New:**
1. Open the app - you'll see a welcome screen
2. Click "Get Started" to begin the tutorial
3. Explore new themes by pressing `T`
4. Try quick presets with number keys `1-6`
5. Check out the help menu by pressing `H`

**New Features to Try:**
- Press `V` to cycle through visualizer modes
- Shake your device to randomize settings
- Use pinch gesture to adjust particles
- Export your settings and share with friends
- Install as PWA for offline use

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## Roadmap

### v2.1.0 (Planned)
- [ ] More visualization modes
- [ ] Audio effects (reverb, delay)
- [ ] Playlist support
- [ ] Cloud save/sync

### v2.2.0 (Future)
- [ ] Social media integration
- [ ] Collaborative sessions
- [ ] Custom shader support
- [ ] MIDI controller support

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## Support

Found a bug? Have a feature request?
- GitHub Issues: [link]
- Email: support@example.com
- Discord: [link]

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**Last Updated**: 2026-05-01