There's a new xulrunner/firefox in rawhide. The API (js too) is slightly incompatible with the 1.9.2, there is a new XPCOM modules registration and so on, see: https://bugzilla.redhat.com/show_bug.cgi?id=634596#c3 https://developer.mozilla.org/en/Firefox_4_for_developers https://developer.mozilla.org/en/XPCOM/XPCOM_changes_in_Gecko_2.0 ma. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel