The current Project Overview Page shows on the below items:

• Summary
• Issues
• Reports
• Calendar
• Components

Few items such as Labels and possibly other items are currently missing.

The issue have been noticed on few customers and dev instances as well. Two screen-shots have been attached showing the previous and current project overview.

Workaround
Customers can use Label gadget on dashboard to browse project labels.
In order to view all labels on the instance, run this query in the database :

select * from label;