Same issue for us

Whether to let your users feel the impact of such interruptions, is of course your business decision. How do you suggest we don't let our users feel an interruption when the app attestation fails? We are using a secure login process which needs device attestation in order to function. When App Attest is not available, we can either show an error message or let them sign in insecurely. And insecure logins might have even more severe consequences since we deal with sensitive data.