I've been advised to post here after asking Azure support:
I'm currently evaluating Azure services to be used for production. I have access to two directories, one that already does have some production services within it, and my own. My own directory states app registrations is in preview:
"App registrations (Preview)" is displayed in the breadcumbs and navigation.
The directory that is intended to be used for production does not mention preview.
Could you confirm if app registrations is made available for general availability, or should it be avoided for production use? The differences between my two directories is making me unclear...