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It’s here! Firefox 3 Beta 4 has been added to Mozilla’s FTP’s, and the distribution has already begun among download sites. This release was expected by the end of February, but they must have hit a few bumps in the road. And now Firefox 3 Beta 5 is currently scheduled for late March.

If you’re wondering what’s new in this release there isn’t that much that I can show you. The release notes for Firefox 3 Beta 4 have not been updated to reflect the release, and so I winged it:

  • The Vista theme now shows up correctly for those of you running Vista on your computer, and you can see the various icons in the screenshot above.
  • The really good news lies in some of the improvements that they’ve made under-the-hood. For example, as we previously outlined Firefox 3 really takes the cake on the SunSpider JavaScript test. Those changes have been rolled into Firefox 3 Beta 4, and hopefully you’ll see some better performance because of it.
  • Hundreds of bug fixes have landed in this release.

Okay, now it’s your turn to try it out! Mozilla hasn’t updated the official Beta site yet, but the necessary files have been added to the FTP. Our downloader, as always, balances the load across all the servers that are hosting the setup file which eases the burden on Mozilla’s servers. So download until your heart is content:

Note: The build ID is 2008030714, which means this version was compiled on March 7th. This is not the same version that was posted last week by some download sites, such as BetaNews.