need to be copied manually to /etc/firefox-esr. * Other customizations under /etc/iceweasel will need additional manual steps, through CCK2 or addons. The developers of Parabola GNU/Linux-libre picked up the Iceweasel project and it continues to be maintained. Licensing The rebranded programs are available under Mozilla's standard MPL/GPL/LGPL tri-license. Like Mozilla, the default icons are under the same tri-license, but unlike Mozilla, there are no trademark restrictions. See also Firefox version history References Free web browsers POSIX web browsers Web browsers based on Firefox Software forks Debian 2006 software Software that uses XUL Trademark disputes