Shortcode Issue In Custom-Content Design Preview

Team WPMU,

When using a shortcode in a custom content module (being careful to enter it via the Visual and not text editor), there appears to be some kind of error and a preview will not display.

Not sure if this affects ALL shortcodes, but it definitely affects Gravity Forms. This was an issue for me on Pop-Up Pro as well. On Hustle, it affects both Pop-Up and Slide-In modes.