I just updated to the latest version in my staging site and when I Edit Page with the content builder, I see nothing but the Footer: http://wordpress-100914-344888.cloudwaysapps.com/x/#/content/9/layout
Hey,
As I answered you in the other thread, the LayerSlider is conflicting with our theme and we`ll get it fixed as soon, so, remove the LayerSlider in this page and test it again.