The Perspectives Dashboard is where the 3D map image is updated and re-generated to capture any edits that have been made in the Maps Dashboard.
To update the 3D map image:
Navigate to the Perspectives Tool
For each perspective, Left-click on the Pencil Icon
Select 3D Renderer
Confirm there are no errors with the map
Centre and capture the whole map within the tile-set (TIP: The Reset button under Camera Settings will restore the previous settings)
Select Generate and Save