Mozilla Firefox 42.0 released, now offers Private Browsing with Tracking Protection

Mozilla Firefox 42.0 for desktop had been released and available for download and install. This latest release comes with various bugfix and some additional new features one of which is providing Private Browsing with Tracking Protection, which blocks certain Web elements that could be used to record your behavior across sites.

firefox 42

Mozilla Firefox 42.0 changelog


  • Private Browsing with Tracking Protection blocks certain Web elements that could be used to record your behavior across sites
  • Control Center that contains site security and privacy controls
  • Indicator added to tabs that play audio with one-click muting
  • 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
  • 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


  • HTML5
    • Improved performance on interactive websites that trigger a lot of restyles
    • Implemented ES6 Reflect
    • Support ImageBitmap and createImageBitmap()
    • Media Source Extension for HTML5 video available for all sites
    • Remote website debugging over WiFi (no USB cable or ADB needed)
    • View HTML source in a tab
    • Asynchronous call stacks now allow web developers to follow the code flow through setTimeout, DOM event handlers, and Promise handlers.
    • Configurable Firefox OS Simulator in WebIDE, to simulate reference devices like phones, tablets, even TVs
    • CSS filter presets in the Inspector
    • Ability to save filter presets inside CSS Filter Tooltip
  • Various security fixes

Install Mozilla Firefox 42.0 on Ubuntu OS

sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa

sudo apt-get update

sudo apt-get install firefox
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