I made a short video to illustrate the problems. Please view it!
https://www.youtube.com/watch?v=z86c_crDCyk
There are two problems with dragging and dropping items:
1. Dragging and dropping an item between two other items SHOULD place it between them. But it does not. It doesn't work properly. It often either doesn't register any change in position, or it puts the item in the wrong place altogether. Here is another video demonstrating the problem; in this one, the dragging doesn't do ANYTHING for the first few attempts: https://www.youtube.com/watch?v=kKYqYJBBMy4
2. There should really be some UI to indicate where a dragged item will land, similar