Duplicate tabs. Press Ctrl (Cmd on Mac) while dragging a tab to create a duplicate of the dragged tab including its history.
Move tabs to another window. Just drag a tab and drop it on another window to move it. If the dragged tab is the last one in its window, it will be closed.
Resize the search bar. When the search bar is placed next to the location bar, you can drag the handler between them (invisible on Windows and Linux) to resize it.
Codetch is a code editing program. Currently it features many tools for web editing but others are planned for additional languages. Codetch runs along side other Gecko based programs, such as Firefox. Install it as an extension today and have a full featured editor right beside your web pages as you surf!
Firefox 3 introduces real full screen mode where unlike Firefox 2 where the location bar and tab bar remained visible at all times, now they both automatically hide below the top edge of the screen.
The new firefox has excellent colour profile support: If you have a fast computer then you can switch on the firefox Colour management system This allows images and colours to be displayed consistently across a variety of devices