pes other than the default
        that comes with <span class="code">weewx</span>, you should edit this
        file to reflect your changes before attempting to rebuild the database.
    </p>
    
    <h2>From V1.14 or earlier</h2>
    
    <p>Version 2.0 introduces many new features, including a revamped internal
        engine. There are two changes that are not backwards compatible:</p>
    <ul>
        <li>The configuration file, <span class="code">weewx.conf</span>. When
            upgrading from V1