Firefox 42.0 リリース


Firefox 42.0が2015/11/03にリリースされました。

リリースノートによると

  • [New]Private Browsing with Tracking Protection blocks certain Web elements that could be used to record your behavior across sites
  • [New]Control Center that contains site security and privacy controls
  • [New]Indicator added to tabs that play audio with one-click muting
  • [New]WebRTC improvements:
    IPV6 support
    Preferences for controlling ICE candidate generation and IP exposure
    Hooks for extensions to allow/deny createOffer/Answer
    Improved ability for applications to monitor and control which devices are used in getUserMedia
  • [New]Login Manager improvements:
    Improved heuristics to save usernames and passwords
    Edit and show all logins in line, Copy/Paste usernames/passwords from the Context menu
    Migration imports your passwords to Firefox from Google Chrome for Windows and Internet Explorer; import anytime from the Login Manager
  • [Changed]Improved performance on interactive websites that trigger a lot of restyles
  • [HTML5]Implemented ES6 Reflect
  • [HTML5]Support ImageBitmap and createImageBitmap()
  • [HTML5]Media Source Extension for HTML5 video available for all sites
  • [Developer]View HTML source in a tab
  • [Developer]Remote website debugging over WiFi (no USB cable or ADB needed)
  • [Developer]Asynchronous call stacks now allow web developers to follow the code flow through setTimeout, DOM event handlers, and Promise handlers.
  • [Developer]Configurable Firefox OS Simulator in WebIDE, to simulate reference devices like phones, tablets, even TVs
  • [Developer]CSS filter presets in the Inspector
  • [Developer]Ability to save filter presets inside CSS Filter Tooltip
  • [Fixed]Various security fixes