It features a new debugging window to be used on the scenarios you're work on.
It allows you to monitor the Quest Vars real time up to 60 different Quest Vars.
Not only that, you can change their value while playing. It automatically adjusts the changing according to the size of your Quest Var, so larger ones get bigger adjusts. For example, if a Quest Var holds the value 150, it will change to either 140 or 160.