A proof-of-concept for preparing the WordPress Block Editor (Gutenberg) to be loaded fullscreen inside an <iframe>.
composer config repositories.bluehost composer https://bluehost.github.io/satiscomposer require bluehost/endurance-wp-module-gutenframeThis module is active by-default and can be disabled by users. There is no UI or other options.