Revit 2018.2 was just released and it has a nice enhancement to the Project Browser that can be easily missed. With this release we now have more options available when we desire to expand or collapse information in the Project Browser.
Prior to Revit 2018.2, your only option to expand items in the Project Browser was to pick on the plus sign (+) next to the section’s name to expand the section and show additional information or the minus (-) sign next to the section’s name to collapse the section and show less information. You still have those options, but the following menu is now available when you right-click over any of the sections in the Project Browser.
Applying Technology to Architecture 