Features Preview allows everyone to see and use features that are still in active development, but can be already used. These provide you enough time to get used to the new features and learn how they work, and the opportunity to provide feedback that may be incorporated into the continuing development.
To see these new sections, you need to first enable Features Preview. This can be done by any user, once they log in to the interface and navigate to the User’s Profile section and click Save.
Once you do this, you will notice that the sections on the dashboard have changed.