For those Firefox users which have not upgraded to 3.5.x, Firefox 3.0.12 is now available for Windows, Mac, and Linux for free download from here
Firefox 3.0.x will be maintained with security and stability updates until January, 2010. All users are encouraged to upgrade to Firefox 3.5 by downloading it from here or by selecting “Check for Updates…” from the Help menu when using Firefox 3.0.12.