Mozilla: Firefox 3.5 Beta 4 will Ship on Time This Week

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The Mozilla Foundation says it is still on track to release Firefox 3.5 Beta 4 sometime later this week despite the lack of a firm release date. Beta 4 will likely be the last test version before Mozilla moves on to the release candidate of Firefox 3.5. However, Mozilla has not made good on many of Firefox 3.5's deadlines: earlier this year, Mozilla delayed the release of Beta 3 -- twice -- before moving on to Beta 4, as well as dumping the name Firefox 3.1 for the snappier Firefox 3.5 to reflect the significant differences between versions 3.0 and 3.5.

Most of the previous delays stemmed from Firefox's new JavaScript engine, TraceMonkey, which promises to speed up page loads two times faster than Firefox 3.0 and nine times faster than Firefox 2.0. At the moment, Beta 4 contains seven high-priority bugs requiring fixes, five of which involve the JavaScript engine.

When it is finally ready for mass adoption, Firefox 3.5 promises some new features largely based on HTML 5 -- the latest update to the core language of the World Wide Web. Mozilla says Firefox 3.5 will deliver noticeably improved performance, security and a better user experience overall. More specific features include:

  • Audio and video elements that free media from being dependent on plug-ins, and give Web developers greater control over how media will appear on a Web page
  • Capability to drag and drop elements within and among Websites
  • Private browsing feature that prevents Firefox from recording your Web activities
  • One-click deletion for specific Websites: similar to private browsing, right clicking and selecting "forget about this" for any Website in Firefox's Web history will delete all history records relating to that Website.
  • Wi-Fi based geolocation (opt-in feature)
  • Downloadable fonts so pages look exactly as the designer intended

While Mozilla works to resolve problems with Firefox 3.5, the foundation is also hard at work on Firefox 3.0. Today, Mozilla released Firefox 3.0.9 update with 12 security fixes -- four of which were critical. Today's update was the largest security patch for Firefox since December 2008, but the second security update in the last four weeks. In late March, Mozilla released a fix for the so-called 'zero day' flaw after a German hacker exploited the browser to help him win US$15,000 during the Pwn2Own competition at the CanSecWest conference.

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