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The AppBar preferences are configured via a configuration profile using the preference domain com.zappl.AppBar.

Schema Preference Key Guide

The title text displayed in the top left of the AppBar window.
Default value: AppBar
AppBar Title
The font size of the title text displayed in the top left of the AppBar window. Accepts numerical values between 16 and 32. Values outside of this range will fall back to the default value.
Default value: 22
AppBar Title Font Size
An alternative logo to display to the left of the title text when the user’s macOS appearance is set to Dark Mode. Accepts the same values as Custom Logo — a file path, URL, or SF Symbol name.
If this preference is not set, AppBar will fall back to the value configured in Custom Logo. If neither is set, the default app.badge.fill SF Symbol is used.
Custom Logo Dark Mode
A custom colour applied to buttons and highlighted elements throughout the AppBar interface. Accepts hex colour codes, e.g. #0071E3.
If not specified, AppBar uses the macOS system accent colour.
Customise the category that apps are assigned to within the Installs tab. By default, apps use the category defined in the Zappl App Catalog. This preference allows you to override that on a per-app basis.To configure this, specify an array of objects each containing an identifier and a category label:
  • App Identifier — The unique app identifier from the Zappl App Catalog
  • Category Label — The custom category name to display for that app in the Installs tab Custom Categories
Customise the description shown for apps in the Installs tab. By default, apps display their description from the Zappl App Catalog. This preference allows you to provide your own description on a per-app basis.To configure this, specify an array of objects each containing an identifier and a description:
  • App Identifier — The unique app identifier from the Zappl App Catalog
  • Description Text — The custom description text to display for that app Custom Descriptions
Enables the Liquid Glass visual effect introduced in macOS 26 (Tahoe). When enabled, AppBar adopts the Liquid Glass aesthetic consistent with macOS 26 system applications.
Default value: true — This preference has no effect on macOS versions prior to macOS 26.
When enabled, AppBar displays a macOS notification when Zappl has cached new updates that are available to install via AppBar.
Default value: true
A notifications configuration profile approving com.zappl.AppBar must be deployed for this to function.
Allow Update Notifications
When enabled, AppBar displays a macOS notification when an app install completes successfully.
Default value: true
A notifications configuration profile approving com.zappl.AppBar must be deployed for this to function.
Allow Install Notifications
When enabled, AppBar displays a macOS notification if an install or update fails.
Default value: true
A notifications configuration profile approving com.zappl.AppBar must be deployed for this to function.
Allow Failure Notifications
Determines whether the Installs tab is visible within AppBar. Uncheck to hide the tab entirely from users.
Default value: true
To control which apps are shown within the Installs tab, use the Allowed Installs or Excluded Installs options in your com.dare.zappl.preferences configuration profile.
Determines whether the History tab is visible within AppBar. The History tab shows users a log of recent updates, installs, and failures. Uncheck to hide this tab.
Default value: true
Determines whether a Quit option is shown when right-clicking the AppBar menu bar icon. Uncheck to remove this option and prevent users from quitting AppBar via the menu bar.
Default value: true
Determines whether an About option is shown when right-clicking the AppBar menu bar icon. The About panel displays AppBar version information and other details. Uncheck to hide this option.
Default value: true