<div class="wc_plugin_upgrade_notice">3.0 is a major update. <a href="https://docs.woocommerce.com/document/backup-wordpress-content">Make a full site backup</a>, update your theme and extensions, and <a href="https://docs.woocommerce.com/document/how-to-update-your-site">review update best practices</a> before upgrading.</div> 