ference to the
            weeWX engine.</p>

        <p>This change will affect only those who have written their own device
            driver. </p>

        <h2>From V2.1 or earlier</h2>

        <p>Version 2.2 introduces a schema, found in <span class="code">
        bin/user/schemas.py</span>, for the stats database. This schema is used
            only when initially creating the database. If you have a specialized
            stats database, that is, one that saves types other than the default
      