Heavyweight Theme

Mozilla to discontinue support for Firefox Heavyweight Theme

Mozilla recently announced it’s plans to discontinue one of its theme’s “Firefox Heavyweight Theme” from Firefox as part of it’s dead initiative. For those who may not know, Heavyweight themes, sometimes also called full themes or complete themes, can modify all elements of the web browser opposed to so-called lightweight themes which modifies basic elements such as the header bar only. As reported by Benjamin Smedberg, who is the Manager of Firefox quality engineering at Mozilla: As part of Firefox great-or-dead, we’ve decided to stop support for “heavyweight” themes which can do arbitrary styling and replace chrome packages.