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Right on schedule, Apple has released the sixth preview of the upcoming OS X Yosemite to developers today. This new seed comes two weeks following the previous release, and it likely continues to bring performance enhancements, interface tweaks, and bug fixes. We’ll be updating this post with the changes in Preview 6 as they are discovered. If you find something new, you can let us know at tips@9to5mac.com. The release version of Yosemite is currently scheduled for the later half of October, and it will ship separately from iOS 8, which is not seeing a new beta today. Here’s what’s new:

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– Xcode 6 beta 6 is also out.

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– All icons in System Preferences redesigned

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– Several new wallpapers to choose from (which you can download from here).

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– New charging icon in the Menu Bar

– Do Not Disturb is back for Notification Center

– Volume and Brightness control HUD designs tweaked (again).

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– New FontBook, Script Editor, and Image Capture app icons. FontBook’s app has actually seen a slight redesign as well.

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– New icons for Mail Preferences inside Mail.app.

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– Dashboard (remember that?) now has a translucent background.

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– New Diagnostics and Usage page upon startup.

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– New Safari Preferences icons as well.

– Text in notification banners is slightly smaller.

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– There is also a Dictation update for English

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-Safari message when a page cannot load now matches iOS