What's new for developers in Windows 8.1? Antoine Leblond, Vice President of Program Management on the Windows team, shares the new features he's excited about in this release. The Windows user experience continues to evolve, and it's getting easier to develop, test, and submit apps to the Windows Store. Don't forget to check out the latest in app samples for developers. We've added many new samples and updated others to show what Windows 8.1 has to offer.