The changelog lists all the changes and new additions since Firefox 1.5.x.x:
Changes in this Development Milestone wrote:There is a lot in Firefox 2 Beta 1 that we invite you to play around with and give us feedback on:
* Built in Anti-Phishing protection.
* Search suggestions now appear with search history in the search box for Google, Yahoo! and Answers.com
* Changes to tabbed browsing behavior
* Ability to re-open accidentally closed tabs
* Better support for previewing and subscribing to web feeds
* Inline spell checking in text boxes
* Search plugin manager for removing and re-ordering search engines
* New microsummaries feature for bookmarks
* Automatic restoration of your browsing session if there is a crash
* New combined and improved Add-Ons manager for extensions and themes
* New Windows installer based on NullSoft Scriptable Install System
* Support for JavaScript 1.7
* Support for client-side session and persistent storage
* Extended search plugin format
* Updates to the extension system to provide enhanced security and to allow for easier localization of extensions
* Support for SVG text using svg:textPath
For a list of bugs fixed since Firefox 2.0 Alpha 3, see this Bugzilla search.
Downloads (all [tt]en-US[/tt]):
Windows Installer
Linux tar.gz file
Mac OS X Disk Image
For other operating systems and locales, see the FTP Directory. Download mirrors.
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1a3) Gecko/20060621 SeaMonkey/1.1a




