- Add support for beyond gauge boost
- Add support for beyond chain maps
- Add support skills of uncapped ilith and mika
- Unlock four chars and uncapped ilith
- Some changes in some values' algorithms
- Refactor some codes about unlocking or locking some users' packs and singles
- Add support for restricting songs' difficulty in the map's steps of world mode
- Add `amane` and add support for `skill_amane`
- Add a parser for `songlist` to specify downloadable files
- Fix a bug that users with no recent scores cannot get `recent30` via API
- Second try to fix a bug about API
- Fix a bug that the `prog boost` shows the incorrect value
- Fix a bug that the rewards can be get repeatedly in World Mode
- Fix a bug that second tube of blood of the world boss won't change
- Add Course Mode
- Add support for downloading additional files
- Add support for `skill_fatalis` (Hikari booms your world.)
- Delete my hair X<
> WHERE IS MY TAIRITSU ?!
> Some other things are not supported now, such as... the feature which is one line above.
- Code refactoring
- Fix a bug that the other player will not become the host of the room at once, when the player disconnect in link play.
> Maybe add many unknown bugs. XD
> The song database `arcsong.db` will not used in the future. You can use a tool in `tool` folder to import old data.
- Code refactoring
- Update the song database
- Fix a bug of the friend system which arose in the last version
- Fix a bug of duplicate calculating finishing states when players finish playing the chart in Link Play.
