# Song Chart Data Schema 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).

## [2.2.2]
### Added
- Added `playData.previewStart` and `playData.previewEnd` fields to specify when in the song should the song's audio should be played as a preview in Freeplay.

## [2.2.1]
### Added
- Added `playData.offsets` field to specify instrumental and vocal offsets.

## [2.2.0]
### Added
- Added `playData.album` to specify the album art to display in Freeplay.
- Added `playData.ratings` for difficulty ratings displayed in Freeplay.
### Changed
- Renamed `playData.noteSkin` to `playData.noteStyle`.

## [2.1.0]
### Changed
- Rearranged the `playData` field.
  - Refactored the `playableChars`
### Removed
- Removed the `variation` field.

## [2.0.0]
Full refactor of the chart format for improved structure.
### Added
- Added a semantic version field for migration tracking.

## [1.0.0]
Initial version from 2020.