12. Windows 8.1 SDK 56611959 Windows Phone 8.1 SDK 62413157 Diff +58+12-2

17. C#: WINDOWS_APP and WINDOWS_PHONE_APP #if WINDOWS_PHONE_APP Windows.Phone.UI.Input.HardwareButtons.BackPressed += this.HardwareButtons_BackPressed ; #endif C++: WINAPI_FAMILY_PC_APP and WINAPI_FAMILY_PHONE_APP #if WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP _backPressedEventToken = HardwareButtons::BackPressed += ref new EventHandler (this, &NavigationHelper::HardwareButton_BackPressed); #endif

21. Shared ProjectsCodeC#, C++, JSStore, Phone Portable Class librariesBinaryC#, VBDesktop, Store, Phone

24. FastApp Launch, Navigating PagesXAML UI responsiveness, CPU Usage, Memory Usage FluidScrolling, Panning, AnimationXAML UI responsiveness, CPU Usage, Memory Usage EfficientBattery life, Memory UsageEnergy Profiler, Memory Usage

35. Having a friend buy your coffee? Yea, it’s kind of like that. MSDN Subscribers get up to $150/mo in Azure credits. Stop by the Developer Platform and Tools booth and visit the MSDN Subscriptions station to activate your benefits and receive a gift! http://aka.ms/msdn_teched 3 Steps to New Gear! With Application Insights

36. Microsoft Engineering Stories Visual Studio Industry Partner Program Visual Studio | Integrate http://www.visualstudio.com