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10.7:Quartz Debug 4.2 hidden prefs Apps
Apple has changed the 'magic open sesame' to all the cool hidden features of Quartz Debug in version 4.2.

Why make such a useful app and then hide almost every feature? I just can't understand the logic in this.

Anyway as an update of my old hint here are the new steps to take to gain access to the goodies.
  • Launch Terminal.
  • At the prompt, type the following command line followed by [Enter]:

    defaults write QuartzDebugPrivateInterface -boolean YES

  • Launch Quartz Debug and you should notice new options in the 'Tools' and 'Windows' menus.
  • Should you like to undo the changes and go back to the stock Quartz Debug just type the following in Terminal (followed by [Enter]):

    defaults delete QuartzDebugPrivateInterface

  • Close any window not normally accessible from the menu and voila your QD is as it was.
If by any chance someone knows how to use the profiling stuff don't hesitate to post a comment or a follow-up hint.

[crarko adds: I tested this, and it works as described.]
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10.7:Quartz Debug 4.2 hidden prefs | 2 comments | Create New Account
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10.7:Quartz Debug 4.2 hidden prefs
Authored by: metiure on Feb 13, '12 11:40:02AM

Is this Lion-only? I am on 10.6.

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10.7:Quartz Debug 4.2 hidden prefs
Authored by: vczilla on Feb 13, '12 05:32:58PM

I don't have Snow Leopard installed anymore but I don't see why it wouldn't work.

If you're not confident about trying this just make sure you backup ~/Library/Preferences/ somewhere.

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