Mozilla just released the latest incarnation of Firefox 2 with 2.0.0.4. The release notes emphasize on these important updates:

• Security Update: The following security issues have been fixed.
• Windows Vista Support: More enhancements and fixes for Windows Vista are included, with the following caveats.
• New Languages: Afrikaans (af) and Belarusian (be) are now available. Beta releases for several new languages are also available for testing.

The security issues fixed in this release include:

• XUL Popup Spoofing
• XSS using addEventListener
• Path Abuse in Cookies
• Persistent Autocomplete Denial of Service
• Crashes with evidence of memory corruption (rv:1.8.0.12/1.8.1.4)

Download Firefox 2.0.0.4 here.