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Only 4 months after releaasing Firefox 3, Firefox 3.1 beta 1 was released yesterday (Oct 14th, 2008) at 2:42 pm PT.
The Firefox 3.1 Beta 1 milestone is focused on testing the core functionality provided by many new features and changes to the platform scheduled for Firefox 3.1. Ongoing planning for Firefox 3.1 can be followed at the Firefox 3.1 Planning Center, as well as in and on in #shiretoko.

New features and changes in this milestone that require feedback include:

  • Web standards improvements in the Gecko layout engine
  • Added support for CSS 2.1 and CSS 3 properties
  • A new tab-switching shortcut that shows previews of the tab you’re switching to
  • Improved control over the Smart Location Bar using special characters to restrict your search
  • Support for new web technologies such as the <video> and <audio> elements, the W3C Geolocation API, JavaScript query selectors, web worker threads, SVG transforms and offline applications.

More information about new web developer features are available in the Web Tech blog post.

NB: Firefox 3.1 Beta 1 is available in over 35 languages as a public preview release intended for developer testing and community feedback.

Check out the Mozilla Developer News announcement

Read more here and to download

See John Slater’s post for more on the return of the Robot…

Today, we announced the availability of Firefox 3.0 Beta 5, the fifth beta of Firefox 3.

Beta 5
Firefox 3 Beta 5 includes more than 750 changes from the previous beta, improving stability and Web compatibility, providing platform and user interface enhancements, and resulting in the fastest Firefox ever. Many of these improvements were based on community feedback from the previous beta.

For more details please view the DevNews post here:

You can find full release notes here:

What’s new and improved in Firefox 3 Beta 5:

Easier to Use:
· Integration with Windows: Firefox now has improved Windows icons, and uses native user interface widgets in the browser and in web forms.
· Integration with the Mac: the new Firefox theme makes toolbars, icons, and other user interface elements look like a native OS X application. Firefox also uses OS X widgets and supports Growl for notifications of completed downloads and available updates. A combined back and forward control make it even easier to move between web pages.
· Integration with Linux: Firefox’s default icons, buttons, and menu styles now use the native GTK theme.

More Personal:
· Places Organizer: view, organize and search through all of your bookmarks, tags, and browsing history with multiple views and smart folders to store your frequent searches.  Create and restore full backups whenever you want.

Improved Performance:
· Speed: improvements to our JavaScript engine as well as profile guided optimizations have resulted in continued improvements in performance. Compared to Firefox 2, web applications like Google Mail and Zoho Office run twice as fast in Firefox 3 Beta 5, and the popular SunSpider test from Apple shows improvements over previous releases.

Download Firefox 3 Beta 5 here:


Today, we announced the availability of Firefox 3.0 Beta 4, the fourth beta of Firefox 3!


Firefox 3 Beta 4 includes more than 900 enhancements from the previous beta, including drastic improvements to performance and memory usage, as well as fixes for stability, platform enhancements and user interface improvements. Many of these improvements were based on community feedback from the previous beta.

Now available for download:

Happy to announce, the third version of Firefox 3 was released today – you can get it or update your current beta version here:


I have been using Firefox 3 beta since Beta 2 came out a few months ago and haven’t looked back. As a ‘non-technical’ person, I have been delighted to begin experiencing our early, but still elegant version of Firefox. Its extremely stable, and with its new ‘search’ capabilities – its again going to change we all use a browser!

More news to come from me soon on what you can expect in Firefox 3.



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