Thursday, December 22, 2011

Firefox 9 Released, Arrives in the Stable PPA

Firefox 9 was released one day ago and this time, surprisingly, it has already landed in the 'firefox-stable' PPA. Quite earlier than anyone would have expected, and keeping in mind that Firefox 8 almost took 3 weeks for the same, however that delay was caused by some bug as they said. Firefox 9 isn't yet available in the official repositories for Natty and Oneiric, I expect it to land there in the next couple of hours probably, but it might as well take a couple of days.


So, most importantly, Firefox 9 comes with JavaScript enhancements that are said to increase the performance by 20% - 30% on rich content websites. Other improvements include:
  • Improved theme integration for Mac OS X Lion
  • Added two finger swipe navigation for Mac OS X Lion
  • Added support for querying Do Not Track status via JavaScript
  • Added support for font-stretch
  • Improved support for text-overflow
  • Improved standards support for HTML5, MathML, and CSS
  • Fixed several stability issues
  • Fixed several security issues
Complete Changelog: http://www.mozilla.org/en-US/firefox/9.0.1/releasenotes/

Lucid and Maverick Installation

Firefox 9 is available in the Stable PPA for Lucid and Maverick users. Those who have already added this PPA to their Software Sources just need to install the updates via the Update Manager. Those who haven't added this PPA yet, get to a Terminal and run:

sudo add-apt-repository ppa:mozillateam/firefox-stable
sudo apt-get update
sudo apt-get upgrade

PPA: https://launchpad.net/~mozillateam/+archive/firefox-stable

Natty and Oneiric Installation

Firefox 9 isn't available in the official repositories for Natty and Oneiric yet, but it would be there soon, hopefully. Then you can simply run Update Manager to get the latest version.

To keep an eye on whether it is available in the official repositories or not, you can visit this site:

http://packages.ubuntu.com/search?keywords=firefox&searchon=names&suite=all&section=all

If you don't like to wait for the Firefox packages to get to the official repositories and want a faster solution, you can consider Ubuntuzilla:

http://sourceforge.net/apps/mediawiki/ubuntuzilla/index.php?title=Main_Page

Other Linux

If you are using some other Linux, please follow 'Other Linux' instructions from the link below and replace '6.0' with '9.0' in the commands:

http://www.tuxgarage.com/2011/08/firefox-6-stable-released-linux-ubuntu.html

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