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Firefox 44 发布,多项安全修复

Firefox 44 发布,更新如下:


  • Improved warning pages for certificate errors and untrusted connections

  • Enable H.264 if system decoder is available

  • Enable WebM/VP9 video support on systems that don't support MP4/H.264

  • In the animation-inspector timeline, lightning bolt icon next to animations running on the compositor thread

  • Support the brotli compression format via HTTPS content-encoding

  • Screenshot commands allow user choice of pixel ratio in Developer Tools


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

  • Various security fixes


  • To support unicode-range descriptor for webfonts,
    font matching under Linux now uses the same font matching code as other

  • Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements

  • Firefox has removed support for the RC4 decipher

  • Firefox will no longer trust the Equifax Secure
    Certificate Authority 1024-bit root certificate or the UTN – DATACorp
    SGC to validate secure website certificates

  • Stricter validation of web fonts

  • On-screen keyboard support temporarily turned off for Windows 8 and Windows 8.1


  • 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:

  • Visual tools for Layout and Styles:

    • Display rulers along the viewport to verify size and position and
      use the measurement tool to easily detect spacing and alignment problems

    • Use CSS filters to preview and create real-time effects like drop-shadows, sepia, etc

    • Learn more:

  • New memory tool for inspecting the memory heap

  • Service Workers API

  • Built-in JSON reader to intuitively view, search, copy and save data without extensions

  • Jump to function definitions in the debugger with Cmd-Click

  • WebSocket Debugging API and add-on

  • The rule view now displays styles using their authored text,
    and edits in the rule view are now linked to the style editor

详情请看:release notes

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