在Windows 8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。