Firefox 3 Beta 5 is now available for download

Mike Beltzner beltzner at
Wed Apr 2 17:05:43 UTC 2008

* follow-up to:
* or, reply-to: dev-planning at

[Please note: Firefox 3 Beta 5 is a public preview release intended for 
developer testing and community feedback. It includes new features as 
well as dramatic improvements to performance, memory usage and speed. We 
recommend that you read the release notes and known issues before 
installing this beta.]

Firefox 3 Beta 5 is now available for download. This milestone is 
focused on testing the core functionality provided by many new features 
and changes to the platform scheduled for Firefox 3. Ongoing planning 
for Firefox 3 can be followed at the Firefox 3 Planning Center, as well 
as in and on in #granparadiso.

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

* Improvements to the user interface based on user feedback, including 
changes to the look and feel on Windows Vista, Windows XP, Mac OS X and 
* Changes and fixes for new features such as the location bar 
autocomplete, bookmark backup and restore, full page zoom, and others, 
based on feedback from our community.
* Fixes and improvements to platform features to improve security, web 
compatabilty and stability.
* Continued performance improvements: changes to our JavaScript engine 
as well as profile guided optimization continues to improve performance 
over previous releases as measured by the popular SunSpider test from 
Apple, and in the speed of web applications like Google Mail and Zoho 

You can find out more about all of these features in the "What's New" 
section of the release notes:

Testers can download Firefox 3 Beta 5 builds for Windows, Mac OS X and 
Linux in 45 different languages at:

Developers should also read the Firefox 3 for Developers article on the 
Mozilla Developer Center:

Note: Please do not link directly to the download site. Instead we 
strongly encourage you to link to this Firefox 3 Beta 5 milestone at:
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