Firefox's main XUL UI doesn't even honour the *current* settings if you're using FreeType's "native" glyph hinting, but that's another bug (and it's the default setup.)
But nothing "Mozilla" automatically catches updates, so this includes Epiphany's use of GtkMozEmbed, the whole of Firefox and Thunderbird, the content viewer in Liferea, etc.
Firefox's main XUL UI doesn't even honour the *current* settings if you're using FreeType's "native" glyph hinting, but that's another bug (and it's the default setup.)
But nothing "Mozilla" automatically catches updates, so this includes Epiphany's use of GtkMozEmbed, the whole of Firefox and Thunderbird, the content viewer in Liferea, etc.