Following the release of the sixth developer seed yesterday, Apple has pushed out an update for users who are part of the OS X beta testing program. This fourth beta introduces the same changes that were added to the developer branch yesterday.

Among the changes users will find a new General icon in the System Preferences app and a new blue wallpaper. The update comes with the build number 15A243d, compared to 15A244d for yesterday’s developer version.

Users who are part of the public beta program can download the update now through the Updates tab on the Mac App Store.

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