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Same here app built with Xcode 10.2.Official document says:The system automatically opts in any app linked against the iOS 13.0 or later SDK to both light and dark appearances. If you need extra time to work on your app's Dark Mode support, you can temporarily opt out by including the UIUserInterfaceStyle key (with a value of Light) in your app’s Info.plist file. Setting this key to Light causes the system to ignore the user's preference and always apply a light appearance to your app.It sepcifically mentions "any app linked against the iOS 13.0 or later SDK". Does it means we don't need add the flag unless the binary is built with Xcode 11 and iOS 13? If not, can someone create a rdar ticket?