Explained about the warning "The developer of playservices safetynet has added a note to version 12.0.1 of their SDK. The SafetyNet Attestation API is being discontinued and replaced by the new Play Integrity API" received in Google Play Console.

SafetyNet Attestation API deprecation
https://developer.android.com/training/safetynet/deprecation-timeline

Refer below thread, if the SafetyNet issue is with FirebaseAuth API
https://github.com/firebase/firebase-android-sdk/issues/3890

#googleplayconsole
#safetynetattestationapi
#playservices-safetynet