Mozilla officially released Firefox 3.5 version yesterday with advanced upcoming new web technologies like HTML5 <video> and <audio> elements, down-loadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.

Firefox 3.5 comes with lots of improvements and new features like private browsing (Tools–> Start Private Browsing), open in new tab etc. which enhances the ease of use for users.

Video about : What’s new in Firefox 3.5 ?

Ubuntu 9.04 (Jaunty Jackalope) comes with Firefox 3.0.11 and auto update doesn’t include latest version for Ubuntu 9.04. If you like to test Firefox 3.5 in Ubuntu 9.04 Linux operating system. Download Firefox 3.5 for Linux named “firefox-3.5.tar.bz2” in a compressed file.

Steps :

1. Extract firefox-3.5.tar.bz2 in a folder.

2. Note the exact path of the extracted folder (Eg : /home/karthikeyan/Desktop/firefox)

3. Choose terminal from Accessories –> Terminal

4. Now add firefox at the end of exact path (Eg: /home/karthikeyan/Desktop/firefox/firefox) and type this path in terminal.

5. Now Firefox 3.5 is ready and it should start running, if you close terminal Firefox 3.5 will be terminated.

Note : If you like to run Firefox 3.5 in your profile, just add -P at the end of path as shown below code.

karthikeyan@ubuntu:~$ /home/karthikeyan/Desktop/firefox/firefox -P