Internet Explorer 10 in the Windows Consumer Preview introduces a number of new or updated Web platform features when compared to the IE10 in the Windows Developer Preview released September 13, 2011. Some of these shipped in the fourth IE10 platform preview released November 29, 2011, and have been blogged about since; some are new in the Consumer Preview.
The following Web platform capabilities in the Consumer Preview were not in the Developer Preview:
Across the board, we’ve improved performance and addressed feedback on the platform features that were available in the Windows Developer Preview but not IE9:
Metro style Internet Explorer in the Windows Consumer Preview contains many user interface changes and additions compared to the Windows Developer Preview. You can get a taste for these in what Gizmodo wrote about Internet Explorer 10. We will be blogging about these new features in the coming days both here and on Building Windows 8.
—Ted Johnson for IEBlog