Microsoft recently released Visual Studio 2013 Preview.
You can also install the ASP.NET and Web Tools Refresh that adds few new features in Visual Studio. ASP.NET vNext has extensive detail on the new features.
Checkout the following videos to learn more about new features added to the coolest development tool in the world
What’s New in ASP.NET and Visual Studio 2013
Visual Studio 2013 Preview with Soma Somasegar
What’s New in the Visual Studio 2013 IDE
What’s New in Visual Studio 2013 for C++ Developers
What’s New in Visual Studio & Blend for XAML Developers
Visual Studio 2013 for Web Developers- Deep Dive
What’s New in Blend for HTML Developers
Developing Apps for SharePoint 2013 with Visual Studio 2013
Visual Studio 2013 Diagnostics Tools for XAML-Based Windows Store Apps
Diagnosing Issues in JavaScript Windows Store Apps with Visual Studio 2013