I evaluated it. Didn't work in Firefox 31 Beta. Reported the bug. Was fixed in Dart around the time when Firefox 32 RC got released. Please remember to recompi

I evaluated it. Didn't work in Firefox 31 Beta. Reported the bug. Was fixed in Dart around the time when Firefox 32 RC got released. Please remember to recompile all your apps you deployed with Dart < 1.6. There are still some Firefox users out there. (Majority in Germany uses Firefox.)