This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.

This plugin is temporary, and will be removed from WordPress.org on 31 Dec 2021. It's our final attempt at reaching all users on the old codebase and assisting you in upgrading. It will no longer receive updates of any kind after that date, and in time become both a functionality and security liability to your site and your users. Please reach out to us.