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

「選項->進階」就會出現圖中問題，像是語系檔的問題，不知其他語言的版本有沒有