The compass lets you click on it and drag it around to point the various locations while on street views. It also dynamically rotates based on dragging the street views man around the map. But did you know it doesn't move at all when you use the click to navigate method?
Here is a short video demo showing what I mean. I first show how the compass moves as I navigate street views. But then I use the click to navigate method and it stops moving:
Google confirmed the bug in a Google Maps Help thread saying:
Thanks for the detailed report about this. I'll make sure it reaches the appropriate folks so they can take a look.
Forum discussion at Google Maps Help.