Permissions have gotten a little more complicated with Project Progress (and assignments). When a user is assigned a task that involves book editing in the Project Assignments, that shows up in Users, Roles and Permissions. This may appear without a check mark (the box will have a gray background to indicate it was “assigned”).
Ideally at team should make project assignments in the tasks rather than Users, Roles and Permissions, but each team will need to figure out what system works best for them.
Please note that the assignments can change so once a user completes their assigned task they may be removed from the Users, Roles and Permissions until the next task is available. Since some tasks are not “dependent” this could mean that multiple people are assigned to a book at the same time.