The changes appear beside ones that aren’t tied to specific updates, but if you aren’t seeing them, as a last result, you could try side-loading the latest Maps from A Mirror. The new Street View images aren’t active in the iOS app.
The impact on You on the road: Adding Street View pictures is a small change, one most people aren’t likely to notice. But it could be the start of a greater emphasis on real-world mapping. Maps are by far the best navigation app on our phones. But being able to traverse more of the world with actual imagery would put it in a class by itself.