One of the most important aspects of a Windows Store app is its performance: an end-user will simply not keep on using your app if (s)he has to wait too long to complete the task (s)he’s using it for – after all, for most apps, there will be loads of alternatives. For Windows 8.1 XAML apps, quite a few things changed concerning performance when you compare it to Windows 8. In this session we’ll cover those topics as well as learn about performing tasks in parallel, offloading tasks, keeping your UI thread responsive, data and UI virtualization, overdraw & analyzing performance… In short: if you’re serious about developing a Windows Store app and you want to learn how to ensure you keep it fast & fluid, you’ll want to attend this session.