Firefox 3.0.1 fixed several issues found in Firefox 3.
Fixed several security issues.
Fixed several stability issues.
Fixed an issue where the phishing and malware database did not update on first launch.
Under certain circumstances, Firefox 3.0 did not properly save the SSL certificate exceptions list.
Updated the internal Public Suffix list.
In certain cases, installing Firefox 2 in the same directory in which Firefox 3 has been installed resulted in Firefox 2 being unstable. This issue was fixed as part of Firefox 18.104.22.168.
Fixed an issue where, when printing a selected region of content from the middle of a page, some of the output was missing (bug 433373).
Fixed a Linux issues where, for users on a PPP connection (dialup or DSL) Firefox always started in “Offline” mode (bug 424626).