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Hidden Defaults

Quicksilver contains many hidden preferences which can be edited by entering a command with the following format into Terminal.app. Alter the "Setting Name" and "Value" parts of the command depending on the preference you would like to change:

defaults write com.blacktree.Quicksilver "Setting Name" Value

An example:

defaults write com.blacktree.Quicksilver "QSLoadImagePreviews" NO

Some settings take an array. For example, to enable previews only for images, video, and audio files:

defaults write com.blacktree.Quicksilver QSFilePreviewTypes -array public.image \
public.movie public.audio com.adobe.pdf

Available Settings

Setting Name Value Description
Delay Before Quitting YES or NO Enable the "Hold Q to quit" dialogue (YES) or disable it (NO)
QSLoadImagePreviews YES or NO Enable the loading of icon previews (YES) or disable it (NO)
QSFilePreviewTypes an array of UTI strings Fine-tune which file types get previews for aesthetic or performance reasons. Only applies if QSLoadImagePreviews is enabled.
Show Release Notes on Upgrade YES or NO Show the release notes when Quicksilver is updated (YES)
QSUpdateWithoutAsking YES or NO Allow Quicksilver to install app updates and plugin updates automatically, and restart without asking the user (YES) or to ask the user always (NO)
QSIgnorePlugInBundleRequirements YES or NO Ignore bundle, application, path, framework, Quicksilver version, and OS version requirements when loading plug-ins. (This is not recommended.) Architecture incompatibilities and dependencies on other plug-ins will still prevent a plug-in from loading.
QSRestartAutomaticallyWithoutCrashReporter YES or NO Sets whether the crash reporter is shown when Quicksilver restarts after a crash. Set it to YES to hide the crash reporter.
QSPasteboardHistoryIsVisible YES or NO Display the Clipboard History window when Quicksilver is launched (YES) or hide it (NO).

You can also adjust many of the YES/NO settings by installing the Secrets preference pane.