You can see the progress of feature/project on your roadmap by clicking on the ‘Show Progress’ button (‘%’ icon, in upper-right corner). If you are tracking status for items, you’ll see the overlay appear that indicates how much of that items is completed.

Set Progress of the Feature Project

If you’re not already tracking the progress of Feature projects, you can set the status of items, indicating what % is complete, so this feature can be used. Check out the guide for setting status of a feature.