The last test version of Internet Explorer 10 shipped exclusively with the Windows 8 Developer Preview. The platform preview that shipped with the Windows 8 system was actually the third preview version that Microsoft released publicly (see Microsoft Pushes Out Second Internet Explorer 10 Preview for previous coverage). Microsoft today made available the fourth platform preview, which is again only compatible with the Windows 8 developer preview. This basically means that users can only install the newest version on systems running Windows 8.
The new version adds support for additional HTML5 technologies including File API improvements, Web Worker Thread Pooling and HTML5 video improvements. Internet Explorer 10 Platform Preview 4 offers support for new CSS3 and DOM technologies as well.
Users interested in the browser’s revision history can look at the history page here for a list of all modifications and changes to the web browser.
- Cross-Origin Resource Sharing (CORS) for safe use of XMLHttpRequest across domains.
- File API Writer support for blobBuilder allowing manipulation of large binary objects in script in the browser.
- Support for JavaScript typed arrays for efficient storage and manipulation of typed data.
- CSS user-select property to control how end-users select elements in a Web page or application.
- Support for HTML5 video text captioning, including time-code, placement, and captioning file formats.
Internet Explorer 10 Platform Preview 4 scores 299 points and 6 bonus points on the HTML5 Test website.
That’s an increase of 68 points over the second platform preview released earlier this year. In comparison, Firefox 10 Aurora scores 314+9, Google Chrome 17 Dev 344+13 and Opera 11.60 325+9 points. Compare that to Internet Explorer’s 9 score of 141+5 and you will realize that Microsoft made a huge jump in HTML5 compatibility.
Take a look at the following video to see some of the browser’s HTML5 technologies in action.
The Internet Explorer blog post offers additional information for web developers who want to take a closer look at the technologies that are now supported by the browser.
Windows 8 users can download the latest Internet Explorer Preview from the official test drive site.
© Martin Brinkmann for gHacks Technology News | Latest Tech News, Software And Tutorials, 2011. | Permalink |
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Post tags: internet-explorer, microsoft, platform preview, windows 8
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