Are calls to begin and end generating device orientation notifications necessary?

UI Frameworks UIKit
dav_es OP
Created Jan ’24
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UIDevice.orientationDidChangeNotification works as expected without calls to beginGeneratingDeviceOrientationNotifications() and endGeneratingDeviceOrientationNotifications() but the respective documentation for these two methods state:

You must call this method before attempting to get orientation data from the device.

and

You call this method after a previous call to the beginGeneratingDeviceOrientationNotifications() method.

Were they a requirement at one time and never deprecated?

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Are calls to begin and end generating device orientation notifications necessary?
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