With iOS 14 you get these orange and green dots. Why? It’s pretty simple actually: if there’s an app using your microphone or your camera, these dots will appear on the top of your screen. You’ll now be able to see if an app you’re using is also spying on your camera or microphone… Of course for apps like Zoom and FaceTime that’s exactly what you want.
If you’re curious, there’s a decent article on Forbes, here: