Responding to a question on Quark’s user forum about whether QuarkXPress 8 will run successfully on Apple’s new Mac OS X 10.7 (Lion) operating system, Quark’s Matthias Guenther wrote:
“The ONLY functionality of QuarkXPress 8 and 9 that is still PowerPC only is the video encoding function for SWF export (and of course all functions that trigger it). Everything else is Universal Binary and therefore also MacIntel-native.
The next major update to QuarkXPress 9 will make it officially compatible with OS X Lion. We expect to release this free update for QuarkXPress 9 in August.”
Regarding QuarkXPress 8 specifically:
“We didn’t put anything explicitly into QuarkXPress 8 that prevents it from it running under OS X Lion. However as you can imagine, we didn’t know what functionality Lion would have when we released v8 three years ago.
So please test it intensively yourself. If you seek support by Quark for QuarkXPress under OS X Lion, then QuarkXPress 9 will have to be your choice.”
Explanation: in OS X Lion, Apple has removed the capability of running older, PowerPC-only code. Before Lion, PowerPC code ran in an emulation layer called Rosetta. But in Lion, programs that require PowerPC code will simply not run.
The best way to determine which of your current apps require Rosetta is to use Apple’s System Profiler utility (located in /Applications/Utilities/). Launch System Profiler and click on “Applications” under “Software” in the left column. You can then sort the list of Applications by Kind — any application listed as “PowerPC” or “Classic” will not run under Lion.
On my Mac, QuarkXPress 7.5, 8 and 9 are all listed as either “Intel” or “Universal” and therefore safe for Lion. QuarkXPress 6.5 is listed as “PowerPC” and therefore won’t run under Lion. Earlier versions of QuarkXPress are listed as “Classic“, and therefore won’t run under Lion either.
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