[IE9] IE9 RC版官方下载链接

继去年9月份IE9 Beta版发布之后，IE9 beta下载次数已经超过2300万，充分说明IE9受关注和期待的程度。 今天IE团队很高兴发布了IE9 RC版，欢迎大家下载试用。 距离IE9正式版发布的日子已经不远了...

IE9 RC版版本号： 9.0.8080.16413

IE9 RC for Windows7 32位下载:
http://download.microsoft.com/download/D/E/E/DEE0397B-C938-4C56-81E7-77B60915171D/IE9-Windows7-x86-chs.exe

IE9 RC for Windows7 64位下载:
http://download.microsoft.com/download/E/8/5/E8512A73-76E8-46C6-A9CF-0BE11A7E98F7/IE9-Windows7-x64-chs.exe

IE9 RC for Vista 32位下载:
http://download.microsoft.com/download/E/4/6/E466E757-4FC9-45D8-87CC-FAC249D3A834/IE9-WindowsVista-x86-chs.exe

IE9 RC for Vista 64位 下载:
http://download.microsoft.com/download/9/2/3/9239A2DC-8D0D-44E6-A0AB-1FBFF04F5411/IE9-WindowsVista-x64-chs.exe

装上IE9之后，大家不妨到IE9的官方网站 http://www.beautyoftheweb.com/  看看，上面有详细的介绍以及大量的开发示例，全面展示HTML5以及GPU硬件加速的Power。

相比beta版，RC版有以下更新：

Performance

Elapsed Time

• Significant scenario tuning
• Chakra performance optimizations
• Network cache improvements (size, priorities, etc.)
• Compiler optimizations and binary training

Large Working Set Reductions

• Delayed image decoding (1-50MB depending on site)
• Reduce memory footprint of InPrivate Filtering heuristic generation (5MB)
• Binary size reductions (over 1MB saved)

Other Real-World

• Decrease timer resolutions to 4ms from system default of 15.6ms
• Timer resolution aware of Power Options
• Find on Page performance

Standards & Platform

CSS

• CSS3 2D Transforms

DOM

• DOM events (updated for spec changes)

HTML5

• Canvas global­Composite­Operation
• Canvas­Pixel­Array performance
• Geolocation API
• HTML5 semantic elements
• Allow alternative video codec (WebM)
• Accessibility of media controls

Compatibility View List

• Software fallback list for GPU/drivers in XML CV list
• F12 console logs for CV sites and support for Tracking Protection

User Experience

Tabs

• Optional full tab row
• Close box for inactive tabs
• More identifiable active tab

Frame

• Paste & navigate (Ctrl+Shift+L)
• Refine search queries in onebox
• Reduced frame pixels
• Better favorites bar integration
• Menu bar toggle
• Intranet search by default option

Notifications

• Display download speed
• Auto dismiss notifications
• Animated downloads notifications
• Improved app reputation notifications

Pinned Sites

• Pin to vertical task bar
• Multiple home pages in pinned site
• In-page drag-to-pin support

Trustworthy Browsing

Tracking Protection ActiveX Filtering InPrivate InPrivate pinned sites

以上更新有很多是根据网友们的反馈意见做出的改进，比如标签(Tab)上的关闭按钮，把标签栏放在地址栏下方（而不是右方）...  谢谢大家对IE9提的宝贵意见以及支持。 

新的标签栏截图：