Yesterday we released the latest preview of IE9 (Preview 3) with enhancements including HTML <audio>, <video> and <canvas> tags, (even more) improved JavaScript performance and increased standards support including ES5 and an improved Acid 3 score. We also submitted additional tests to the working groups at the W3C and published some new developer samples on the Test Drive site.

You can download the preview and try out the developer samples to explore the enhancements at http://ie.microsoft.com/testdrive/.

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