Firefox 5 released on June 21, 2025 is the first Firefox release under Mozilla’s new RapidRelease Process. There are really no major changes between Firefox 4.0 and 5.0. For more information about the user interface changes from Firefox 3.6 to 4.0, please see Firefox 4.0+ FAQs.
-
Primary Widget Area
-
This theme has been designed to be used with sidebars. This message will no
longer be displayed after you add at least one widget to the Primary Widget Area
using the Appearance->Widgets control panel.
- Log in
