- Cache SharedPreferences instance in DownloadHistoryNotifier and DownloadQueueNotifier
- Precompile regex for folder sanitization and year extraction
- Use indexWhere instead of firstWhere with placeholder object
- Use selective watch for downloadQueueProvider (queuedCount, items)
- Pass Track directly to _buildTrackTile instead of index lookup
- Pass historyItems as parameter to _buildRecentAccess
- Add extended metadata (genre, label, copyright) support for MP3
- Add CoverCacheManager service for persistent image caching
- Cache stored in app_flutter/cover_cache/ (not cleared by system)
- Maximum 1000 images cached for up to 365 days
- Update all 11 screens to use persistent cache manager
- Add flutter_cache_manager and path dependencies
- Update CHANGELOG.md with all changes for v3.1.3
- Add Deezer API client (no auth required, rate limit per user IP)
- Add search source selector in Settings (Deezer/Spotify)
- Default to Deezer for better reliability
- Auto-fallback to Deezer when Spotify API is rate limited (429)
- Support fallback for tracks and albums via SongLink API
- Update README with metadata source documentation
- Version 2.1.5-preview (build 42)