Earlier today, Google started a staged rollout of a new point release of Google Maps. We've been poring over all the UI differences between the new version 7.3 and the previous version 7.2 from last month for the last couple of hours and managed to catch a few interesting changes. Since the official changelog isn't out yet, these will have to do for now.
Here's what we've spotted.
Duration, distance, and estimated arrival time in the expanded notification
The expanded notification now carries a lot more information than before.