I don’t know that this is a bug, perhaps this is the intended default for a “Blank” document type. If the various system locale environment variables are set to “en_GB”, the default margin in “Page Setup” for a ‘Blank’ new document comes up at 3.53mm, generally smaller than is useful for most people/printers. 3.53 cm would be 1.4 inches. Could this be what was intended? (though that seems a little on the large side). Of course this is fixable, I’m just reporting that a better default might make sense, even for a Blank document.