QuarkXPress 4 (1997) - First version with bézier curves. Notable interface improvements include pop-up tools and tabbed dialog boxes.
QuarkXPress 5 (2002) - First version to offer tables and to export HTML.
QuarkXPress Server (QuarkDDS) released.
QuarkXPress 6 (2003) - First version to support Mac OS X.
https://www.computerworld.com/article/2570403/quarkxpress-6-for-mac-os-x-to-ship-next-week.html
JUN 10, 2003 12:00 AM PST
A major barrier to entry for many graphic designers and creative professionals to upgrade to Mac OS X will be lowered soon: Quark Inc. announced Tuesday that it will ship QuarkXPress for Mac OS X next week.
https://en.wikipedia.org/wiki/Mac_OS_X_Public_Beta
The Mac OS X Public Beta (internally code named "Kodiak") was the first publicly available version of Apple Computer's Mac OS X (now named macOS) operating system to feature the Aqua user interface. It was released to the public on September 13, 2000 for US$29.95.
Mac OS X v10.0 was the first completed release of Mac OS X. It became available in March 2001.