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Firefox 18 released!

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What’s new

Here is a list with the most significant changes of the 18 release. For a complete list of changes check the release notes.

  • Faster JavaScript performance via IonMonkey compiler
  • Support for Retina Display on OS X 10.7 and up
  • Preliminary support for WebRTC
  • New HTML scaling algorithm that provides a better image quality experience
  • Performance improvements around tab switching
  • Support for new DOM property window.devicePixelRatio
  • Improvement in startup time through smart handling of signed extension certificates
  • Support for W3C touch events implemented, taking the place of MozTouch events
  • Disable insecure content loading on HTTPS pages – (62178)
  • Improved responsiveness for users on proxies – (769764)


Although things look very much improved for this version in the performance front, you should consider what your daily tasks are and how much you would benefit from upgrading. A discouraging reason for many people out there could be the slow scrolling in the main Gmail tab that is a part of the small but non-disregardable Known Issues list.

If you are willing to install the 18th version of Firefox browser you can either download the Linux package that contains the binary that you can use however you want (example: create a shortcut on your applications overview), or use the following Ubuntu ppa by typing these commands on a terminal:

sudo apt-add-repository ppa:mozillateam/firefox-next
sudo apt-get update
sudo apt-get install firefox

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  • Adonis K. (Varemenos)

    Got tired of FFX’s dullness.
    Switched to chrome during the xmas vacations, i will miss the awesome extensions but at least i will be finally able to browse websites again

    • alex285

      Chrome isn’t better. 4-5.5GB RAM at all times and beta versions have huge bugs. I now use both of them.

      • 7svito

        I use Epiphany. What can I say… CPU sometimes goes up to 100%. When you reopen it or open a new window from Dash, it will crash after hanging. The WebKit rendering is not the best(They killed GTKHTML!). Wogue aricles titles missing. Jamendo just full of horisontal stripes. But I love to use this browser)

        • Diogo Campos

          Same here :)

  • locutus_okupa

    the firefox-next ppa has beta versions -already v19
    Ubuntu users at least from 12.04 on should do nothing, the update is in the official repo now