isUserVerifyingPlatformAuthenticatorAvailable returns false on iOS 26.2 Developer Beta

Safari & Web General
daisudaisuke OP
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I’m currently developing an application using WKWebView. After updating to iOS 26.2 Developer Beta, the following Web API started returning false:

isUserVerifyingPlatformAuthenticatorAvailable MDN: https://developer.mozilla.org/ja/docs/Web/API/PublicKeyCredential/isUserVerifyingPlatformAuthenticatorAvailable_static

This issue did not occur on iOS 26.1 — it only happens on the beta version. Has anyone else encountered this problem or is aware of any related changes?

OS: iOS 26.2 beta 3 (23C5044b)

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isUserVerifyingPlatformAuthenticatorAvailable returns false on iOS 26.2 Developer Beta
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