Firefox 13.0.1 and Thunderbird 13.0.1 were released on June 6, 2012. About the detail information, please check the release note.  The purpose of this version is for the bug fixes due to the crash trouble regarding Flash Player.. Bug Fixes (Firefox) Fixed the crash trouble regarding Adobe Flash Player in the Windows OS. (Thunderbird) Fixed the issue that a dialog for changing a password  is displayed when the network error happens. Release Note Firefox 13.0.1 Release Note Thunderbird 13.0.1 Release Note 20th June, 2012  Chief of Information Processing Office: Kitani.