Visual Studio 2013 is new and improved.
Visual Studio 2013 provides support for Windows 8.1 App development.
It includes features to make it easier to develop across all Visual Studio languages and platforms: tools, controls and templates, new Coded UI test support for XAML apps, UI Responsiveness Analyzer and Energy Consumption profiler for XAML & HTML apps, enhanced memory profiling tools for HTML apps, and improved integration with the Windows Store.
Blend for XAML has been enhanced with significant new capabilities for Windows Store app design. Blend includes the addition of rulers and custom guides for more precise content layout as well as improved styling capabilities. Blend for HTML also inherits these enhancements and adds specific new capabilities for building Windows Store apps with HTML, such as the new timeline for animating changes in CSS.
Visual Studio 2013’s One ASP.Net unifies your web project experience so that you can create ASP.NET web applications using your preference of ASP.NET component frameworks in a single project. This new unified experience includes the ability to easily create hybrid applications that include improved versions of ASP.NET WebForms, MVC or Web API, all in a single project. Now you can mix and match the right tools for the job within your web projects, giving you increased flexibility and productivity when developing for the web.
‘Browser Link’ syncs HTML and CSS changes in Visual Studio with one or more open browsers‘Browser Link’ allows you to connect Visual Studio 2012 to one or more open browsers.