Silverlight 5.1.20513.0 is now available for download

Microsoft has released a new update version (5.1.20513.0) of  Silverlight. This update includes functional, performance, reliability and security improvements.

Details
Silverlight is a powerful development tool for creating engaging, interactive user experiences for web and mobile applications. Silverlight is a free plug-in, powered by the .NET framework and compatible with multiple browsers, devices and operating systems, bringing a new level of interactivity wherever the web works.

Silverlight 5 introduces more than 40 new features, including support for running Silverlight applications with desktop features in the browser, dramatic video quality and performance improvements, and features that improve developer productivity.

What's new in Silverlight 5.1.20513.0?
Silverlight 5.1.20513.0 includes functional, performance, reliability and security improvements and are backward compatible with web applications built using previous versions of Silverlight.

• Fixes security issues described in the following Microsoft Knowledge Base article: 2814124 MS13-022: Vulnerability in Silverlight could allow remote code execution: March 12, 2013.
• Fixes an issue where core CLR files were versioned as 5.0, and the System.Environment.Version public API reported the Silverlight framework version as 5.0. With this fix, all CLR and Silverlight files now have a major and minor file version of 5.1, and Environment.Version reports 5.1 as the framework version.
• Fixes an issue where certain buffered web requests can cause a crash of the Silverlight plugin on Mac OS X.
• Enables Silverlight application exception handling on future releases of Mac OS X.

Download Silverlight
The links in this section correspond to files available for this download. Download the files appropriate for you.

For end user: Refer to the Silverlight Installation page.

For developer: Refer to the Silverlight Tools page.

Top Silverlight Features
IIS Smooth Streaming
IIS Smooth Streaming enables you to deliver high definition streams that play back smoothly on any device running Silverlight.

Out of Browser
Silverlight offers a new set of features for building light-weight, sandboxed companion experiences for the Web that run on the desktop. Silverlight out of browser allows...

SketchFlow
SketchFlow, part of Expression Studio Ultimate, revolutionizes the speed and efficiency with which you can demonstrate a vision for an application. SketchFlow provides an...

Deep Zoom
Silverlight Deep Zoom is the fastest, smoothest, zooming technology on the Web, bringing the highest resolution images and frame rates...

PivotViewer
PivotViewer makes it easier to interact with massive amounts of data on the web in ways that are powerful, informative, and fun. By visualizing thousands of related items at once...

New Controls
Silverlight is packed with over 60 high-quality, fully skinnable and customizable out-of-the-box controls such as charting and media, new layout containers...

Media Format Extensibility
With the new Raw AV pipeline, Silverlight can easily support a wide variety of third-party codecs. Audio and video can be decoded outside the runtime and rendered...

Perspective 3D Graphics
Silverlight allows developers and designers to apply content to a 3D plane. Users can rotate or scale live content in space without writing any additional code. Other effects...

Skinning and Styling
Silverlight makes it easy to create graphics and then use them to customize controls, such as the look of a scrollbar. Silverlight provides XAML based templates for each.

Source:
Microsoft Silverlight