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Our main focus with Q1 2010 SP1 release is the official launch of RadControls for Silverlight 4 RTW. Shortly after the official announcement on April 15th we delivered the natively built suite on Silverlight 4 to empower our clients with the advantages of the new capabilities for developing robust enterprise applications. The suite features support for both Microsoft Visual Studio 2010 and Microsoft SharePoint 2010.

With Q1 2010 SP1 we have delivered installations for both Silverlight 3 and Silverlight 4. We’ll keep the support for Silverlight 3 with full installations until the Q2 2010 release and after that will ship upgrades only with binaries. The binaries for Silverlight 3 will contain only major bug fixes but won’t include new features. This support will be discontinued with our Q3 release when we believe the full adoption of VS 2010 and Silverlight 4 will be completed.

Another important note regarding the current SP1 release is that the default installations are still targeting Silverlight 3 since this is the initial release of Q1 2010 and we are trying to avoid faulty installations. If you need the Silverlight 4 bits please refer to the files titled with Silverlight 4.

To download the RadControls for Silverlight 3, please follow the main download link in the red box below:


To get the installer for the RadControls for Silverlight 4 release (which includes the new online demos), follow the underlined link above and then download one of the following:


The latest release unveils the Silverlight 4 RadRichTextBox CTP. The new control has rich text formatting, various layouts and views with stunning performance even with large documents, allowing you to easily integrate Microsoft Word-like editing in your Silverlight application. We hope you find its online examples as fascinating as we do.


Speaking of online examples, the new showcase of RadControls for Silverlight 4 is also available, demonstrating the unbeatable performance, interactivity and visual appeal that can be achieved with RadControls for Silverlight 4.

With Q1 2010 SP1 we have also shipped the latest features and improvements for our RadControls for WPF, continuing our commitment to shipping parallel features and improvements with our shared codebase and API.

The Q1 2010 Download files are now available under your accounts:

Full Release Notes can be found at:
RadControls for Silverlight Release Notes
RadControls for WPF Release Notes

The online demos are available at:
RadControls for Silverlight
RadControls for WPF

The updated online documentation is available at:
RadControls for Silverlight online help
RadControls for WPF online help

About the Author

Hristo Maradjiev

Product Manager,
Telerik XAML Team


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