- Fix a small bug that `best30` of API cannot have scores whose songs are not in database
- At present the setting file can be a module or a file with some of options
- Limiter can have multiple rules together now
- Add song names for getting the score list (For API)
- Try to ensure thread safety in Link Play (twice again)
- Small change about database timeout
- Have a try to use `nginx` and `gevent` (Yes. I ensure it works well. This will not be viewed as a formal and necessary update.)
- 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
- Fix a bug that something of the finale challenge cannot be unlocked
- Fix a bug that the users' items will not be zero, which will disturb some purchase operations
- 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.
