WordPress Version: 5.1
/**
* Displays the browser's built-in uploader message.
*
* @since 2.6.0
*/
function media_upload_html_bypass()
{
?>
<p class="upload-html-bypass hide-if-no-js">
<?php
_e('You are using the browser’s built-in file uploader. The WordPress uploader includes multiple file selection and drag and drop capability. <a href="#">Switch to the multi-file uploader</a>.');
?>
</p>
<?php
}