Auth0 Application Users Have Email and Username Saved in the Lowercase

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Problem Statement:

Auth0 Application Users have email and username saved in the lowercase regardless of whether they are created in the Auth0 Dashboard, by the POST /api/v2/users endpoint, by user import, or by sign up.

Even if we update them with uppercase letters, they are still saved in the lowercase.

Solution:

This is the expected behavior as per the current design. Alphanumeric characters (without accent marks) in the username and the email will be automatically converted to lowercase.

References:

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