在Win8消费者预览版中，微软内置了IE10消费者预览版，它包括桌面版和Metro版，带来了全新的体验。今天，微软在IE开发者博客中完整罗列了IE10的新功能及在之前版本基础上的更新。
IE10消费者预览版的新功能包括XMLHttpRequest的跨域资源共享(Cross-Origin Resource Sharing，简称CORS)、Interoperable HTML5 Quirks Mode(互操作性HTML5怪异模式)、一个可以提醒网页浏览器用户某个网页网站要求安装ActiveX控件的Meta标签等，只有传统的桌面版IE 10上支持网页控件。
新功能：
— Cross-Origin Resource Sharing (CORS) for XMLHttpRequest
— CSS -ms-user-select property
— CSS3 font-feature-settings property to access advanced OpenType
— Document setting to enable floating point values in CSS-OM
— HTML5 BlobBuilder API and new APIs以保存或打开文件
— HTML5 track element for HTML5 video captions
— Interoperable HTML5 Quirks mode
— JavaScript Typed Arrays
— Meta tag to alert user that site requires ActiveX add-ons(桌面版IE10)
— Removal of legacy graphics features from IE10 standards mode
— Changes to support latest HTML5 WebSocket API
— Web Worker thread pooling
在IE10开发者预览版基础上进行的更新：
— CSS-OM media query list listeners
— CSS3 3D transforms
— CSS3 gradients
— CSS3 grid, flexible box, and multi-column layout and exclusions
— CSS3 regions and hyphenation
— CSS3 text-shadow property
— CSS3 transitions and animations
— HTML5 AppCache and IndexedDB
— HTML5 async attribute of the script element
— HTML5 drag and drop APIs
— HTML5 File API
— HTML5 forms and validation
— HTML5 History API
— HTML5 parsing algorithm
— HTML5 sandbox
— HTML5 Web Workers
— HTML5 WebSocket API
— Pointer events and multi-touch input
— SVG filter effects
— XMLHttpRequest enhancements
另外，Windows 8消费者预览版中的Metro版IE10包含很多用户界面上的变化。
