I am using Xcode 16 RC + iPhone 15 Pro (iOS 18) and a UIDocumentPickerViewController pops up and the interface displays abnormally. Is this a bug in the simulator?

I am using Xcode 16 RC to debug an iPhone 16 app. The status bar height returned by iPhone 16 and iPhone 16 Pro is 54, while the height of the status bar returned by iPhone 16 ProMax is 44. Why is this? Here is the code I use: [UIApplication sharedApplication].windows.firstObject.windowScene.statusBarManager.statusBarFrame.size.height