But as pointed out by Chris, this decision is better left for upstream. Please file a bug at https://bugzilla.mozilla.org/enter_bug.cgi#h=dupes%7CFirefox to request for this field to be hidden by default, or to provide distributors with a preference to hide it.
This "canonical - 1.0" string comes from /usr/lib/ firefox/ distribution/ distribution. ini. See https:/ /wiki.mozilla. org/Distributio n_INI_File.
And this is where these fields are used for the about dialog: https:/ /hg.mozilla. org/mozilla- central/ file/tip/ browser/ base/content/ aboutDialog. js.
This could easily be patched by changing the value of distroIdField. hidden to true in https:/ /hg.mozilla. org/mozilla- central/ file/tip/ browser/ components/ preferences/ in-content/ main.js# l503.
But as pointed out by Chris, this decision is better left for upstream. Please file a bug at https:/ /bugzilla. mozilla. org/enter_ bug.cgi# h=dupes% 7CFirefox to request for this field to be hidden by default, or to provide distributors with a preference to hide it.