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Apple has seeded the fifth Developer Preview of OS X Mavericks to developers, approximately two weeks after the release of the fourth developer preview. The release comes as Apple continues to work on restoring full functionality to its Developer Center after bringing software downloads back online last week.

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As noted by MacRumors forum members, the fifth Developer Preview of Mavericks includes both a new beta version of iPhoto (9.4.6) along with the iBooks app for Mac that was first unveiled at WWDC.

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OS X Mavericks, which is expected to be released this fall, includes multiple new features like a tabbed Finder, full screen dual monitor capabilities, Safari improvements, and a new Maps app. Developers can receive the update via the Software Update tool in the Mac App Store.

Apple has also simultaneously seeded a new version of OS X 10.8.5 to developers.

Article Link: Apple Releases OS X Mavericks Developer Preview 5 with iBooks App
 
Can't wait to see screenshots and read behaviour descriptions of what's been updated.

Beta 4 vs Beta 5 screenshots would be amazing, but I realize that requires having both on a system at once.
 
Can't wait to see screenshots and read behaviour descriptions of what's been updated.

Beta 4 vs Beta 5 screenshots would be amazing, but I realize that requires having both on a system at once.

There's be very few obvious GUI changes in previous Developer Previews, but who knows this time...
 
How many betas do they generally release before the GM version? Or is there no pattern.
 
Can't wait for public release, for me the one thing that could make Mavericks better than Mountain Lion is if they fix the random auto-arrange and Show item info in the Downloads folder, if that gets fixed, that'd be great.

How that bothers me is unexplainable..
 
Really interested in the full screen dual monitor capabilities. Will work nice on my two monitors and Mac Pro, especially on the new Mac Pro which I'll buy as well.
 
Anyone want to comment if zooming in Safari is fixed? On DP4 it would go jerky once loading a different page.
 
why aint there any new features (fixes) listed as for the new iOS 7??
I mean don't they put any new stuff in there? design fixes?? hmm 😱
 
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