This article provides information on what to do when a developer receives an email regarding the Loss of Keychain access and APK security alert. This article applies to Apple and Android apps.
You received the following message from the App Store or an alert from the APK:
The loss of Keychain Access can happen for a variety of reasons, the most common one is regarding an app transfer.
This is nothing to worry about. You can go ahead and disregard this email completely. As an extra step, you can update the affected apps by republishing your app.
If you decide to update the app, once updated, the security warning is no longer displayed.