XULRunner can still be installed separately, and many XULRunner-dependent applications can be switched over fairly easily. Also developing and running XULRunner apps is still possible through Firefox as well as previous or custom builds of XULRunner.Mozilla will stop producing automated builds of XULRunner after the 41.0 cycle However, its disappearance has caused some dependent packages to be removed from package databases.Kiwix not available on Debian
