Some of the changes don't really make sense, like dragging a file over the task bar application icons to activate it for drag and drop, why would they remove th

Some of the changes don't really make sense, like dragging a file over the task bar application icons to activate it for drag and drop, why would they remove that? It's either a feature you use, or its hidden and does no harm, its baffling why they would remove it. I can only assume they rewrote the taskbar from scratch and decided to MVP it.