When we first added the Course Overview widget in May, I had not intended to be able to be collapsed. I wanted all widgets to show for all users to avoid confusion. I found the error at the end of the summer and fixed it.
However, several faculty approached me during PDW complaining they wanted to be able to collapse it again. After reflecting, I agree, it should be able to be collapsed. As long as instructors know they have access to the data (students don’t see this widget) and that they know students are indeed accessing their course, that’s the point. So, now, if that widget is in your way, you can collapse it: