- Add 'url' field (final URL after redirects) to all extension HTTP responses and fix fetch polyfill to return final URL instead of original request URL
- Fix RunWithTimeout race condition: increase force-timeout from 1s to 60s to prevent concurrent VM access crashes, add nil guards
- Use lockReadyVM() for thread-safe VM access in GetPlaylistWithExtensionJSON and InvokeAction
- Handle mixed JSON types (string, null, array) in SongLink resolve API SongUrls field
- Fix recommended download service not showing for extension-based searches in download picker
Resolve API (api.zarz.moe):
- Refactor songlink.go: Spotify URLs use resolve API, non-Spotify uses SongLink API
- Add SongLink fallback when resolve API fails for Spotify (two-layer resilience)
- Remove dead code: page parser, XOR-obfuscated keys, legacy helpers
Multi-artist tag fix (#288):
- Add RewriteSplitArtistTags() in Go to rewrite ARTIST/ALBUMARTIST as split Vorbis comments
- Wire method channel handler in Android (MainActivity.kt) and iOS (AppDelegate.swift)
- Add PlatformBridge.rewriteSplitArtistTags() in Dart
- Call native FLAC rewriter after FFmpeg embed when split_vorbis mode is active
- Extract deezerTrackArtistDisplay() helper to use Contributors in album/playlist tracks
Code cleanup:
- Remove unused imports, dead code, and redundant comments across Go and Dart
- Fix build: remove stale getQobuzDebugKey() reference in deezer_download.go
- Add configurable SongLink region (userCountry) setting with picker UI
- Pass songLinkRegion through download request payload to Go backend
- Go backend: thread-safe global SongLink region with per-request override
- Fix downloaded track not recognized in collection tap: add findByTrackAndArtist
fallback in download history lookup chain (Spotify ID → ISRC → name+artist)
- Apply same name+artist fallback to isDownloaded check in track options sheet
- Add missing library_database.dart import for LocalLibraryItem
- Replace SharedPreferences with SQLite (AppStateDatabase, LibraryCollectionsDatabase) for download queue, library collections, and recent access history
- Add Set-based O(1) track containment checks for wishlist, loved, and playlist tracks
- Add batch addTracksToPlaylist with PlaylistAddBatchResult
- Go backend: strict mode locks download to selected provider when auto fallback is off
- Go backend: fix extension progress normalization (percent/100) and lifecycle tracking
- Go backend: case-insensitive provider ID matching throughout fallback chain
- Lyrics embedding now respects lyricsMode setting (embed/both/off)
- Debounced queue persistence to reduce write frequency
- Fix shouldUseFallback logic to not be gated by useExtensions
- New YouTube download provider with Opus 256kbps and MP3 320kbps options
- SongLink/Odesli integration for Spotify/Deezer ID to YouTube URL conversion
- YouTube video ID detection for YT Music extension compatibility
- Parallel cover art and lyrics fetching during download
- Queue progress shows bytes (X.X MB) for streaming downloads
- Full metadata embedding: cover, lyrics, title, artist, album, track#, disc#, year, ISRC
- Removed Tidal HIGH (lossy AAC) option - use YouTube for lossy instead
- Bumped version to 3.6.0
- Add retry logic with exponential backoff to all providers (Qobuz, Tidal, Amazon, Deezer)
- Increase API timeouts: 15s → 25s (Qobuz/Tidal/Deezer), 30s (Amazon)
- Extract QobuzID/TidalID directly from SongLink URLs
- Add SongLink lookup strategy before ISRC search in Qobuz
- Cache hit now uses GetTrackByID() directly instead of re-searching
- Pre-warm cache tries SongLink first before direct ISRC search
Changes:
- Fix FFmpeg crash issues during M4A to MP3/Opus conversion
- Add format picker (MP3/Opus) when selecting Tidal Lossy 320kbps
- Fix Deezer album blank screen when opened from home
- LRC file generation now follows lyrics mode setting
- Version bump to 3.3.5 (build 70)
- 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)