Although Windows and Windows Phone now have more in common than ever, Microsoft still hasn't quite nailed the "one Microsoft" experience that it's been aiming for. Spend enough time with these two operating systems, and chances are you'll be longing for features that are available on one, but not the other.

To wit, here are six Windows Phone 8.1 features we'd like to see in Windows, followed by four Windows 8.1 features we're hoping for in Windows Phone: