In July 2007, Iceowl, a rebranded version of Mozilla Sunbird, was added to the unstable branch of Debian.

[4] In 2016, a number of Mozilla employees and Debian maintainers argued that the branding was no longer needed,[5][6] and on 10 March 2016, Debian's unstable branch switched back to the Mozilla branding, with the stable branch planning to switch after Iceweasel's end of life.

[8] Debian's Iceweasel, Icedove, Iceowl, and Iceape were based on Mozilla's Firefox, Thunderbird, Sunbird, and SeaMonkey, respectively.

[citation needed] A temporary lack of community development support resulted in Iceape being absent from the repository for Debian 5 ("Lenny"), though the iceape-dev and iceape-dev-bin libraries remained available.

Icedove was the Debian project's rebranded version of the Mozilla Thunderbird e-mail client.

This effect of the Mozilla trademark policy led to a long debate within the Debian Project in 2004 and 2005.

[18] The term "ice weasel" appeared earlier in a line which Matt Groening fictionally attributed to Friedrich Nietzsche: "Love is a snowmobile racing across the tundra and then suddenly it flips over, pinning you underneath.

[20] However, because the artwork in Firefox had a proprietary copyright license which was not compatible with the Debian Free Software Guidelines, the substituted logo had to remain.

[1] Connor confirmed that the Mozilla Corporation was revoking the previous agreement which allowed Debian to use the Firefox name.

Iceape migrated to Etch on January 11, 2007 (the old Mozilla suite having previously been removed on October 6, 2006).

[25][26] Some web sites do not recognize the browsers' user agent strings and refuse to work properly.

According to Chris Hoffman of PC World, "After a decade, Debian and Mozilla are burying the hatchet.