Achievement

• Implement the mod for able to use different stage(e.g. works like the japanese karaoke system or like lyric player) in the gameplay.
  
  
  
• Release new change log within two weeks.
• Happy work from home ended ;_;
• 看起來年底的日本邊玩邊工作的計劃泡當了 QQ
• 是時候思考究竟要專心工作，還是專心去玩了。早上翻了一下以前寫的 changelog，發現這兩年感覺沒啥玩到，唉。

Beatmap

• Should mark the working property to invalidate as default if the working property does not have the data property. karaoke
• It’s time to say goodbye for supporting the Nicokara file format. karaoke

Code quality

• Made some code clean-up. karaoke
• Updating the whole project to use File Scoped Namespaces. karaoke
• Fix some wrong Assert.IsNull(expected); usage in the test case. karaoke
• Use utils to get the value by state. karaoke
  from:

  var value =  state switch
  {
    TextIndex.IndexState.Start => startValue,
    TextIndex.IndexState.End => endValue,
    _ => throw new ArgumentOutOfRangeException(nameof(state))
  };
  

  to:

  var value = TextIndexUtils.GetValueByState(textIndex, startValue, endValue);
  

Editor

• Make the generator selector able to use in other generator like stage generator. karaoke
• Implement the stage info generator selector. karaoke
• Separate the auto-generate logic into each generator. Should not place all generator into single change handler. karaoke
• Adjust the interface in the stage change handler. karaoke
• Remove the whole layout editor. Remove the old layout editor because every stage should have it’s own layout editor if the stage is editable. karaoke
• Able to see all the errors by clicking the invalid info icon. karaoke
  
• Rename the drawable caret to let it match to the model name. karaoke
• Fix the tiny bug in the text caret position algorithm. karaoke
• Add the damn separators into the toolbar. karaoke
  
• Refactor caret position provide method in the drawable lyric for able to get the lyric element or element position directly. karaoke
  
• Rename karaoke sprite text component and give it an interface for only expose method for getting things. karaoke
• Refactor drawable caret. karaoke
• Re-design the caret algorithm for the create/remove time-tag mode. karaoke
  

Fix

• Fix changelog does not showing in the latest Lazer release. karaoke

Mods

• Adjust the mod interface inherit to make sure that will apply the mod before beatmap processor. karaoke
• Should invalidate the working property in the mod because the stage will apply to the hit-object while selecting them in the song selection. karaoke

Skinning

• Remove mapping role in the karaoke skin. Skin should only have feature to provide the config/resource by lookup. karaoke
• Remove group from the skin. karaoke
• Fix cannot entry to the gameplay if use legacy skin. karaoke

Stage

• Implement the timing point calculator for the classic stage info. karaoke
• Implement the classic stage layout auto generator. karaoke
• Implement stage info generator. karaoke
• Implement classic stage applier. karaoke
• Implement the classic stage auto-generator. karaoke
• Create the cover skin element. karaoke
• Implement stage class as metadata in the karaoke beatmap. karaoke

Testing

• Rename the test method for providing the config to the generator. karaoke

Tooling

• Fix packing dlls does not include the localization file. karaoke