Month - Day view on the right side was better than the new dropdown. In the old version it was possible to Drag & Drop a Date from the Day
In the old version it was possible to Drag & Drop a Date from the Day in another Day.
In the new dropdown menu you have to open the Date to move it.
Taja Coleman commented
I miss being able to see the month view, and when I clicked on a day the side view showed my day's meetings. I don't want to go to day view which doesn't allow me to also view the month.