根据Mozilla的产品发布计划，Firefox 8今天也进入了Beta 2公开测试阶段。

Firefox 8 Beta 2面向Windows、Mac、Linux和Android同时推出，新增了不少新功能，对用户界面也进行了完善。

Firefox 8 Beta新功能：

下载:Mozilla Firefox 8.0 Beta 2

The latest version of Firefox Beta has the following changes:

• Add-ons installed by third party programs are now disabled by default
• Added a one-time add-on selection dialog to manage previously installed add-ons
• Added Twitter to the search bar
• Added a preference to load tabs on demand, improving start-up time when windows are restored
• Improved tab animations when moving, reordering, or detaching tabs
• Improved performance and memory handling when using <audio> and <video> elements
• Added CORS support for cross-domain textures in WebGL
• Added support for HTML5 context menus
• Added support for insertAdjacentHTML
• Improved CSS hyphen support for many languages
• Improved WebSocket support
• Fixed several stability issues

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