New Productivity features in X11 include new Reference Display and Saved Plan View controls, as well as a Find/Replace Text tool and PDF improvements.
X11 introduced improvements to the Room dialog, new marquee select and Line Style management tools, improved room molding control, and more.
New Library features in X11 include the ability to add specific components of objects to your Library, improvements to Material Patterns and Fill Styles, and Color Themes.
Some new rendering updates in X11 include a new 3D Reference Display option, the ability to pause or queue Ray Trace, VR enhancements, rope lights, and walkthrough enhancements.
X11 introduced new structural tools, such as a Glass Wall and Shower Door tools, a new Wall Schedule and additional Find in Plan tools.
New in X11 are new Note and Schedule tools, Barn Door and Fixed Doors tools, better door panel customization options, and more.