The subhead of the Projects page displays the following:
Total number of reference sets in the selected project.
Create New Reference Set button: Visible to authors only. An author will click to create a new reference set in the selected project.
Bulk Download button: The user (with project permissions) will click to download all reference sets in the project.
Bulk Upgrade button: Visible to admin and authors only. The user will click to upgrade all or multiple reference sets in the project.