Mozilla Firefox 41 Beta 8已经发布，它最大的改进是加入了一个名为Pocket的在线收藏夹功能，并开始支持TSF文本服务框架，引入了新的会话恢复页面，Firefox账户现已 可以设定头像，并且Firefox Hello开始支持即时通信，而地址栏图标favicon开始支持SVG格式。除此之外还有一些性能上的改进。安装时需要注意，没有签名的扩展在41版以后将不能够再被启用，如果对老扩展有需求的用户，请考虑一下再升级。
New
SVG images can be used as favicons
New
Support for TSF (Text Services Framework).
New
New look for session restore and welcome back page
New
Ability to set a profile picture for your Firefox Account.
New
Firefox Hello now includes instant messaging
Changed
Type 2 Add-ons (Extensions) that have not been signed by Mozilla will be disabled by default. Read more about Add-on signing in Firefox
Changed
Memory overhead of AdBlock Plus has been greatly reduced
Changed
WebRTC now requires perfect forward secrecy
Changed
WARP is disabled on windows 7
Changed
Improved image decoding with performance up to twice as fast on some devices especially while scrolling
Changed
Smoother and more reliable CSS animations via asynchronous animations
HTML5
CSS Font Loading API enabled by default
HTML5
Copy/Cut Web content from JavaScript with document.execCommand("cut"/"copy")
HTML5
MessageChannel and MessagePort API enabled by default
HTML5
Navigator.onLine now varies with actual internet connectivity (Windows and Mac OS X only)
HTML5
Added support for the transform-origin property on SVG elements
HTML5
Implemented Cache API for querying named caches that are accessible window, Worker, and ServiceWorker
Developer
Screenshot a node or element from markup view with the Screenshot Node context menu item
Developer
Copy element CSS rule declarations with the Copy Rule Declaration context menu item in the Inspector
Developer
Network requests can be exported in HAR format
Developer
Removed support for binary XPCOM components in extensions, use addon SDK "system/child_process" pipe mechanism for native binaries instead
Developer
Pseudo-Class panel in the Inspector
Developer
View HTML source in a tab
Developer
Quickly add new CSS rule with New Rule button in the Inspector
Fixed
Picture element does not react to resize/viewport changes
