Feature Request: A ‘camera in use’ indicator in iOS for foreground apps

All Macs have a clear and unmistakable ‘camera in use’ indicator in the form of a green LED next to the camera. Indeed, on Macs released from 2008 onward, there is a hardware interlock between the camera and LED which makes it physically impossible for an app to switch on the camera without the light also coming on to alert you.
Yet there is no equivalent on iPhones or iPads – which, as we have seen only today, can be problematic…more…
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