Apple made a major change in their security & privacy settings with OS Catalina and above, making screenshare/screen record feature a manual setting, defaulting to off. You may need to tap the lock ...

To record App Previews, Apple has added an iOS screen-recording functionality to Yosemite’s QuickTime Player: With iOS 8 and OS X Yosemite, you can capture real-time footage of your app directly off ...