📦 Android App Stash v0.9.12 build 50 (Spotify + YouTube Music client)

[Rectify]

Stash: Offline-First Unified Music Player​

Stash is an offline-first Android music player designed to sync liked songs, playlists, and mixes from Spotify and YouTube Music into a unified local library. The application downloads tracks as high-quality FLAC audio for local storage and playback.

Technical Specifications​

Category	Details
Version	0.9.12
Android Requirement	8.0+
License	GPL-3.0 (Open Source)
CPU Architectures	arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPIs	160dpi, 240dpi, 320dpi, 480dpi, 640dpi
Security	AES-256-GCM encryption for credentials; no telemetry
Signature	Untouched APK; MD5: 51572c31db0cf8ec5d499a5da790aebf

Core Features​

• Unified Sync: Aggregates library data from Spotify and YouTube Music.
• High-Fidelity Audio: Downloads tracks in lossless FLAC format.
• Matching Engine: Bulletproof matching system with a 99% accuracy rate.
• Mix Detection: Automatically detects Release Radar, Discover Weekly, On Repeat, Daylist, Repeat Rewind, Time Capsule, and Daily Mixes (1-6).
• Sync Modes:
  • Refresh: Replaces contents during each sync.
  • Accumulate: Stacks new tracks on existing content.
• Download Management: Supports 8 parallel downloads via a foreground service for background execution.
• Audio Tools: 5-band equalizer with presets, bass boost, and virtualizer.
• Interface: Built-in Spotify sign-in and high-resolution album art support.
• Updates: Daily GitHub checks for new release notifications.

Version 0.9.12 Changelog​

• Lossless-First Search: Implemented a new search-tab preview and download system utilizing a v0.9.10 lossless registry.
• SearchPreviewMediaSource: Integrates ExoPlayer's SimpleCache as a shared byte buffer between streaming and downloading.
• Optimized Networking: Tapping "Download" after "Preview" finalizes the file from the existing cache, fetching only missing ranges to prevent duplicate network requests.
• Confidence Thresholds: Increased search-tab matching confidence to 0.65 (up from 0.5) to ensure accuracy without ISRC data.
• SearchDownloadCoordinator: Replaces DownloadExecutor for improved track finalization, embedding, and database management.
• Fallback Logic: Lossless misses fall back through PreviewUrlExtractor (InnerTube/yt-dlp) while maintaining cache routing.

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