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Unexpectedly invalidated Biometrics in iOS 18.3.2 or later

There is a sudden surge of users in our apps with invalidated biometrics. Even though the issue is being handled correctly and the user has another way to login, some of the users forgot their passwords and they can not login.

Is there any known issue with Biometrics in iOS 18.3.2 or later?

There is a (possible) related discussion here: https://discussions.apple.com/thread/256011565

I’m not aware of anything specifically broken with biometrics on recent versions of iOS.

Is this a one-time breakage? That is, once the user logs back in with their password, are they able to then restore biometric access? Or are users affected by this unable to ever set up biometrics again?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Unexpectedly invalidated Biometrics in iOS 18.3.2 or later
 
 
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