Productivity features added in X13 include dynamic help, new CAD block editing, multiple select and edit rooms, save text to the library and editing 3d shapes with union, subtraction and intersection edits.
What's New in X13 - Full List
What's New in X13 - Building Construction
What's New in X13 - Design
What's New in X13 - Drafting & Project Management
What's New in X13 - Presentation
What's New in X13 - Productivity
