2. 3 Performance: Accurate Metadata (macOS)
4. Design: Preamble (macOS)
Guideline 2.3.8 - Performance
We noticed that your app name to be displayed on the App Store does not sufficiently match the name of the app displayed when installed on macOS.
iTunes Connect Name: 真実の鏡
App Name when Installed: mirror
App Name when Launched: 真実の鏡
App Name in About/Hide/Quit Menu: mirror
iTunes Connectに登録された名前と、実際にアプリを起動したときに表示される名前が一致してないよ!ってことですね。
Appleのレビュアーさんが丁寧に Next Steps を提示してくれたので、その通りに修正。
2つ目のリジェクト理由はこちら。
Design Preamble
The user interface of your app is not consistent with the macOS Human Interface Guidelines.
Specifically, we found that when the user closes the main application window there is no menu item to re-open it.