OAuth2.0 and OIDC standards for iOS Native App

Hi, Currently, we do have native signin and home grown biometric solution leveraging Device biometrics within App and We have plans to adopt OAuth2.0 and OIDC using ASWebauthenticationsession. But we primarily wanted to know Perspectives from Apple with regards to UI/UX / Standards / Security while adopting OAuth2.0 and OIDC. Please note that we dont have Apple SignIn or any other social login within App currently.