ClassicDraw XT makes Quark's non-Mac OS X native applications usable with the Classic environment by fixing a number of annoying redraw bugs in XPress. The two fixed bugs include:
- The first version of ClassicDraw XT fixed a problem with XPress 3.3x and XPress 4.x which caused the document not to be redrawn when you switched from another application into XPress. This meant that every time you switched to another application to read you email or copy a file then the document view got corrupted. While Quark have fixed this problem in XPress 5.0, ClassicDraw XT made older versions of XPress usable in MacOS X.
- The introduction of Mac OS X 10.2 (Jaguar) introduced a new problem with all versions of XPress products up to and including XPress 5.0 and CopyDesk 2. If a palette partially overlaps a document window then scrolling the document would cause certain portions of the document to fail to redraw. ClassicDraw XT version 2.1 has been released for all XPress products to fix this new redraw bug.