The old design makes easier to grasp things at a glance, especially in Control Panel. Each icon has a distinct shape and color, in contrast with Windows 10 Settings app that has much more abstract monochrome icons that are difficult to tell apart.
Monochrome vector icons make things like dark mode easier to implement. Such small software shops like Microsoft unfortunately cannot afford to hire designers to do multiple sets of icons.
Monochrome vector icons make things like dark mode easier to implement. Such small software shops like Microsoft unfortunately cannot afford to hire designers to do multiple sets of icons.