This version comes with an updated script system, main changes are:

• script becomes first class citizen, understand defined as a Smalltalk class; script calculus/side effect is defined in the #compute method,
• when building a script, the user first dictates the expected argument types,
• when using a script, only objects matching these argument types are selectable,
• the argument sent to a script instance are of type Costume, those from a script you can modify the visual property of the arguments (i.e. objects in the sketch),
• a script menu is now present to quickly use a script (as for macro-construction)
• the script system is incompatible with the previous one, sketch using script need to be rewritten.