SpotiFLAC v4.5.0

New Features

• Improve library grid, image loading, and metadata filters
• Add experimental Android native download worker
• Show extension service health
• Add deduplicateDownloads setting & fix build errors by @Amonoman
• settings: Reorganize settings into focused pages by @Amonoman
• Add Favorite Artists collection
• Retire built-in download providers, add isolated extension runtimes, Google Sans Flex font, and monochrome icon support
• Improve extension metadata UI
• Expose audio duration in metadata API and fix home empty-state race
• Add generic extension provider resolution, progress phases, and instrumental lyrics heuristic
• Remove Tidal built-in provider, add extension download dedup/ISRC/Lyrics APIs, and expand l10n/a11y
• Add skip_fallback capability for extension availability results
• Propagate download cancellation through entire pipeline, add MusicBrainz album artist fallback, and allow disabling home feed

Bug Fixes

• Guard security scoped bookmark options on iOS
• Preserve source cover metadata embeds
• Show lossy audio bitrate in quality labels
• Distinguish preparing from downloading in native worker progress
• Sync NativeDownloadFinalizer history schema to v8
• Truncate SAF filenames and directory segments safely at UTF-8 boundaries
• Improve native worker metadata embedding and notification progress
• Sync download progress notification states
• Persist probed audio duration
• Constrain artist album covers
• Avoid disk resizing cover cache by default
• Clean up settings merge regressions
• Map missing Crowdin locale variants
• ios: Use security-scoped bookmarks for download directory persistence
• Fallback unsupported locales to English

Performance

• Unify queue tab with DB-backed pagination and cross-database queries
• Optimize native worker snapshot writes with delta mode
• Reduce library and queue update overhead
• Reduce bridge and UI churn
• Improve download queue resilience

Refactoring

• Migrate local library from in-memory list to database-backed pagination
• Remove built-in provider registry in favor of extensions
• settings: Split download/options into focused pages by @Amonoman
• Split large screen files into part files and DRY platform bridge
• Rename skipBuiltInFallback to stopProviderFallback, unify service/search provider grid layout, and retire useExtensionProviders toggle
• Remove Qobuz built-in provider and delete qobuz.go
• Remove Qobuz from built-in provider registry, add retired provider detection
• Abstract built-in providers into generic registry and unify platform bridge API

Testing

• Add comprehensive Go backend and Dart model test suites

Chores

• Remove dead code, fix error casing, and add lint rules
• Remove redundant comments and boilerplate across codebase
• Update default lyrics providers and about links
• Update app dependency versions
• Enable Ukrainian locale on main
• Import l10n updates from l10n_dev into main
• Update AltStore source to v4.3.1 by @github-actions[bot]

I18n

• Add missing optionsDefaultSearchTabAlbums/Tracks keys to all locales by @Amonoman
• Sync missing EN strings to all locales & fix DE consistency by @Amonoman

Revert

• Release.yml to normal by @Amonoman

Full Changelog: v4.3.1...v4.5.0

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Downloads

Android

• arm64: SpotiFLAC-v4.5.0-arm64.apk (recommended for modern devices)
• arm32: SpotiFLAC-v4.5.0-arm32.apk (older devices)

iOS

• iOS: SpotiFLAC-v4.5.0-ios-unsigned.ipa (sideload required)

Installation

Android: Enable "Install from unknown sources" and install the APK
iOS: Use AltStore, Sideloadly, or similar tools to sideload the IPA