With a delay of one month QuarkXPress 2015 is now available. The new version features finally (after seven years) the creation of PDF/X-4 files! It’s still done through a PostScript export (enriched with pdfmarks commands for transparencies and layers), a conversion to a regular PDF and finally a conversion to PDF/X-4 including a PDF/X-4 preflight check (Quark calls this verification) using the PDF technology from Callas.
Quark now also participates in the funny games with the version numbers. QuarkXPress 2015 has internally version number 11: