Microsoft has announced the availability of the Silverlight 3 beta. Silverlight 3 empowers Web developers and designers to build the best experiences for their customers through the creation of cutting-edge Web applications. Silverlight 3 helps rich Internet application (RIA) developers work faster with new graphics, animation and 3-D features, and more than 60 controls. Silverlight 3 also ushers in a new generation of high-quality and high-definition video experiences with true high-definition video in full-screen mode, with stutter-free live and on-demand video. Silverlight 3 also gives users more video format choices than ever before, including H.264, along with enhancements such as deep linking, to improve navigation in Silverlight content and automate search engine optimization (SEO) tasks. Finally, Silverlight 3 enables developers to create lightweight Web application experiences that can exist outside the browser. This enables Web sites to deliver more persistent relationships with their customers.

Microsoft also announced Expression Blend 3 Preview, designed to dramatically improve designer and developer workflow and productivity. In the MIX09 keynote address, Microsoft demonstrated SketchFlow, a new capability that allows designers to quickly prototype the flow and composition of applications. Now, for the first time, designers can easily receive annotated feedback on prototypes from stakeholders and rapidly iterate on a project from concept to completion. In addition, Expression Blend directly supports the import of Adobe Photoshop and Illustrator files (including layers and paths), integration of live preview sample data, and a comprehensive set of rich behaviors.

“In the short time since we launched Silverlight and Expression Blend, Microsoft has rapidly introduced new features and functionality that enable customers to deliver outstanding Web sites,” said Scott Guthrie, corporate vice president of the .NET Developer Platform at Microsoft. “We are working closely with the community to deliver software that helps businesses provide customer experiences on the Web that go beyond ‘good enough’ and drive real business results.”

Microsoft also announced that Soyatec, a France-based IT solutions provider and Eclipse Foundation member, is making available a community technology preview (CTP) of Eclipse Tools for Silverlight (Eclipse4SL) support for Macintosh. With this Eclipse plug-in, Mac developers can create RIAs for the Silverlight platform. This project is funded by Microsoft as part of Microsoft’s continued commitment to openness and interoperability.