1.9.2.x XULRunner releases These builds are built from the stable 1.9.2 branch. Nightly builds of XULRunner 1.9.0.x These builds are built from the stable 1.9 branch. Community contributed builds of XULRunner 220.127.116.11 These builds are contributed by the Eclipse ATF community and are intended for embedding. The Windows and Linux builds will run normal XULRunner applications, but the Mac build uses Cocoa widgets and will not run XULRunner applications. XULRunner 18.104.22.168 This is the last official stable developer preview release from the 1.8.0 branch. It has known security holes and should not be used in applications that deal with public web content.