Mozilla Firefox 44 Beta 4 发布

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　　Mozilla Firefox 44 Beta 2今日发布，今后发布的Firefox无论Beta还是正式版都会开始支持64位系统，新版带来了新的警告页面，在证书状态异常和连接可能带来不安全的情况下会自动提醒用户，同时44版本开始支持在无法播放MP4/H.264的机器上自动切换WebM/VP9。
　　下载Mozilla Firefox 44 Beta 4:
　　
　　https://ftp.mozilla.org/pub/firefox/releases/44.0b4/
　　Firefox Beta 44.0 beta
　　Version 44.0beta, first offered to Beta channel users on December 17, 2015
　　New

• 　　Improved warning pages for certificate errors and untrusted connections
  
• 　　Enable WebM/VP9 video support on systems that don't support MP4/H.264
  
• 　　Enable H.264 if system decoder is available
  

　　Fixed

• 　　Windows XP and Vista screensaver doesn't disable when watching videos (Bug 1193610)
  

　　Changed

• 　　Warning page when RC4 is the only supported cipher
  
• 　　Firefoxwill no longer trust the Equifax Secure Certificate Authority 1024-bit root certificate or the UTN - DATACorp SGC to validate secure website certificates
  
• 　　Tosupport unicode-range descriptor for webfonts, font matching under Linux now uses the same font matching code as other platforms
  
• 　　Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements
  

　　Developer

• 　　Right click on a logged object in the console to store it as a global variable on the page
  
• 　　Visual tools for Animation:
  
  
  
  • 　　View/Edit CSS animation keyframe rules directly in the inspector
    
  • 　　Visually modify the cubic-bezier curve that drives the way animations progress through time
    
  • 　　Discover and scrub through all CSS animations and transitions playing on the page
    
  • 　　Learn more: http://devtoolschallenger.com/
    
  
  
• 　　Visual tools for Layout and Styles:
  
  
  
  • 
    　　Displayrulers along the viewport to verify>
    
  • 　　Use CSS filters to preview and create real-time effects like drop-shadows, sepia, etc
    
  • 　　Learn more: http://devtoolschallenger.com/
    
  
  
• 　　New memory tool for inspecting the memory heap
  
• 　　Jump to function definitions in the debugger with Cmd-Click
  
• 　　The rule view now displays styles using their authored text,and edits in the rule view are now linked to the style editor
  
• 　　Service Workers API
  
• 　　Built-in JSON reader to intuitively view, search, copy and save data without extensions
  
• 　　WebSocket Debugging API and add-on
  
• 　　Add-on signing enforcement
  

　　转载自：cnbeta.com