One-click free all dimensions. Instead of scrolling through 500 reserved elements, you type "Dim" into the filter, select all, and release them. This is a lifesaver on deadline day.
While the built-in Param-O tool has grown, power users still rely on the (a standard Goodie). Future iterations will likely see tighter integration, potentially removing the need to have Rhino open to run scripts, allowing Grasshopper definitions to run natively as Archicad Goodies.