There are also some subtle improvements such as the date being always visible, progress bars on taskbar buttons, notification badges, icon overlays to indicate status and thumbnail pop-ups.
It does have some genuine improvements such as larger icons, the ability to rearrange icons of running apps, jump lists, and a system tray where you can easily drag and drop icons in and out of the overflow area for notifications. Not all features of the Windows 10 taskbar are bad.