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Bring multiple windows to swiftUI apps

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  • Scene basics
    • Apps -> Scenes -> Views
    • Scenes commonly have a window(s) on screen
    • Representation of a scene may vary based on platforms
    • Types:
      • WindowGroup. all
      • DocumentGroup. ios, macos
      • Settings. macos
      • Window (new). all
        • Good for singleton windows
      • Menubar extra (new) macos
        • Available as long as your app is running
        • Good for utilities
        • Two styles, standard menu, chromeless window
      • Can be composed together
  • Auxiliary scenes
    • Single windows are added to the Window menu
  • Scene navigation
    • @Environment(\.openWindow) a callable environment thing. To programmatically open windows. either by id for single windows, or a value for window groups. Additionally, another environment for document windows, for new document and open document.
    • Pass the value by identifier instead of the value type.
  • Scene customizations
    • .commandsRemoved() can hide secondary windows’ menu commands
    • can set default position and size for windows.
    • can set keyboard shortcuts to open aux windows