Some days ago we noticed that with the Mozmill 1.5.12 release we accidentally dropped the support for Firefox 3.6 or the Gecko 1.9.2 platform. It has been introduced with the fix for the global per compartment issue on bug 751424, especially with the addition of the ‘outer-window-destroyed’ observer notification listener. Given the EOL of Firefox 3.6 and the Gecko 3.6 platform we do not intent to push another hotfix release for Mozmill 1.5 at this time. If you have to test applications which are based on Gecko 1.9.2 you shouldContinue readingMozmill 1.5.12 dropped support for Firefox 3.6