Changelog for monatone

[0.2.1.1] - 2025-12-10

Fixed

• Added *.m4a to extra-source-files to include M4A test fixture in sdist tarball

[0.2.1.0] - 2025-12-10

Fixed

• Fixed Hackage description formatting to display properly with multiline text
• Escaped forward slashes in format names to prevent markdown italicization
• Fixed M4A round-trip test to properly skip when fixture unavailable
• Checked in test fixtures (MP3, FLAC) to support Nix builds without ffmpeg

Changed

• Tests no longer require ffmpeg at build time (only for regenerating fixtures)

[0.2.0.0] - 2025-12-10

Added

• M4A/AAC/ALAC Support: Complete read/write support for M4A audio files
  • Full metadata parsing with iTunes-style tags (©nam, ©ART, aART, etc.)
  • Audio properties extraction (duration, sample rate, channels, bit depth)
  • AAC and Apple Lossless (ALAC) codec detection and parsing
  • Album art extraction (JPEG, PNG, BMP)
  • Track/disc number parsing with iTunes binary format
  • Complete metadata writing with atom reconstruction
  • Freeform atom support for MusicBrainz-style fields:
    • Record label (LABEL)
    • Catalog number (CATALOGNUMBER)
    • Barcode (BARCODE)
    • Release country (MusicBrainz Album Release Country)
    • All MusicBrainz IDs (recording, release, artist, album artist, release group, work, disc)
    • Acoustid fingerprint and ID
  • Integration with unified Writer API
  • Comprehensive test coverage

Technical Details

• Pure Haskell MP4 atom parser with hierarchical structure support
• Efficient streaming implementation (no full file loading)
• Support for both 32-bit and 64-bit atom sizes
• Version-aware parsing (mvhd v0/v1, etc.)
• Safe file writing with temporary file approach
• Freeform (----) atom parsing and writing for custom metadata
• Zero compiler warnings

[0.1.0.0] - Initial Release

Added

• FLAC read/write support with Vorbis comments
• MP3 read/write support with ID3v1, ID3v2.3, and ID3v2.4 tags
• OGG/Vorbis and Opus basic support
• Album art handling
• Pure Haskell implementation