The actually printed footer on paper/PDF has a font different from the selected header/footer font.
Created attachment 103845 [details] Screenshot_20170205_163422.png
Confirmed. But that's not a KDevelop feature, but one from KTextEditor. Moving the ticket to the correct product.
(In reply to Kevin Funk from comment #2) > Confirmed. But that's not a KDevelop feature, but one from KTextEditor. > > Moving the ticket to the correct product. Thanks.
Patch at: https://phabricator.kde.org/D4619
Fixed, see https://phabricator.kde.org/D4619.