Building Construction features added in X13 include standard, reduced stud, and laddered wall intersections, more control over header placement, horizontal wall and roof framing.
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
