Windows 7 users wanting to upgrade to Internet Explorer 10 will have to wait a bit longer. Microsoftannounced
todaythat it will be shipping a preview
of Internet Explorer 10 for Windows 7 in mid-November. There's no public timeline for the release of the final version; delivery of that version will depend on "developer and customer feedback."
On the face of it, the delay is a little surprising. Internet Explorer 10 is included with Windows 8, and since Windows 8 was completed back in August
, clearly Internet Explorer 10 must in some sense be finished
. The extra time required for Windows 7 may be due to underlying platform differences'Windows 8 supports Direct3D 11.1, compared to 11.0 on Windows 7, for example. So if Internet Explorer 10 depends on Direct3D 11.1 features, either that dependence has to be removed, or Direct3D 11.1 has to be ported to Windows 7.
This would not be unprecedented. Internet Explorer 9 depended on features such as Direct2D and DirectWrite that were built in to Windows 7. To enable the browser to run on Windows Vista, Microsoft shipped an update package that added the new capabilities to the older operating system.
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