# Changelog
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [0.5.0] - TBD

### Added
- Support for Speex files
- `TagExt` trait to unify tag behavior
- `doc_cfg` feature for docs.rs
- Fallible allocation with `ErrorKind::Alloc` to help prevent OOM
- New dependency: `cfg-if`
- **MP3**: Emphasis struct (`mp3::Emphasis`) for use in `Mp3Properties`
- **ID3v2**: Respect the footer flag (`id3::v2::Id3v2TagFlags::footer`) when writing
- **MP4**: Constants for all well-known data types (`mp4::constants`)
- **MP4**: Support `rtng` (Parental advisory) atom, with corresponding `mp4::AdvisoryRating` enum

### Changed
- Added `#[non_exhaustive]` to `MimeType`
- Added `#[non_exhaustive]` to `PictureType`
- Added `#[non_exhaustive]` to `Mp4Codec`
- **APE**: Clarify why ID3v2 is read only
- **MP3**: No longer error on missing Xing/VBRI header when reading properties
- **MP3**: Read the entire MPEG frame header, which is exposed in `Mp3Properties`
- `AudioFile` now requires `Into<TaggedFile>`
- **MP4**: Empty atoms are discarded
- **MP4**: Variable-size integers are shrunk when writing

### Fixed
- **MP4**: Panic in `Mp4File::read_from` ([commit](https://github.com/Serial-ATA/lofty-rs/commit/9e18616a6882c659ba2d5ca6bdad9bf41171135d))
- **WAV/AIFF**: Chunk reading now makes use of fallible allocation, preventing OOM
- **ID3v2**: Text is properly encoded when writing
- **ID3v2**: `MVNM` and `MVIN` frames are now treated as text frames
- **ID3v2**: Text encodings are verified for V2 tags
- **MP4**: `plID` atom is properly treated as a 64-bit signed integer ([issue](https://github.com/Serial-ATA/lofty-rs/issues/34))
- **MP4**: `rate` and `rtng` now map to the correct `ItemKey`
- **MP4**: Integer pairs are now written correctly
- `TagType` and `FileType` are no longer taken by reference in any method

### Removed
- `ErrorKind::BadExtension`