By default, tabs were displayed on the top of the window, above the location bar in the area formerly occupied by the window's title bar. Many changes were made to the user interface. New features included improved 'doorhanger' notifications, Firefox Panorama (a feature that lets the user visually group tabs), application tabs, a redesigned extension manager, Jetpack extensions support, integration with Firefox Sync, and support for multitouch displays. ( June 2011) ( Learn how and when to remove this template message) Please help improve it to make it understandable to non-experts, without removing the technical details. This article may be too technical for most readers to understand. Early mockups of the new interface on Windows, Mac OS X, and Linux were first made available in July 2009.

User interface įirefox 4 brought a new user interface, with a new look designed to make it faster. Mozilla Firefox 4 includes many new features since version 3.6. Many looking for a copy of this version 4 will be directed to version 6, which cannot run on PowerPC Macintoshes. Only one update (4.0.1) was issued for Firefox 4 during its lifetime. Mozilla continued to issue updates for Firefox 3.6 after 4's EOL declaration. On May 25, 2011, the Firefox release manager wrote in an email 'Firefox 5 will be the security update for Firefox 4,' confirming Firefox 4 had entered its ' end of life' phase where Mozilla will no longer issue updates. In early May 2010, Mozilla's plans for Firefox 4.0 were officially detailed through a blog post by Mike Beltzner, Firefox director. The largest changes, however, were deferred to Firefox 4.0. Most of these objectives were incorporated into versions 3.0, 3.5, and 3.6. On October 13, 2006, Brendan Eich, Mozilla's Chief Technology Officer, wrote about the plans for 'Mozilla 2', referring to the most comprehensive iteration since its creation of the overall platform on which Firefox and other Mozilla products run.

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