Apple’s latest new operating system for its computing lineup, OS X Mavericks 10.9, has just gotten pushed to Gold Master (GM) level, and is now available for developers and AppleSeed users to download and play around with. If you’re a registered developer or user, now is the time to go ahead and grab the GM version for OS X Mavericks as you please.

Apple has just released the 7th Developer Preview of their latest operating system for the Mac, OS X Mavericks 10.9. The new update, carrying the build number 13A569, is aimed towards developers for testing purposes and can be downloaded from the Mac App Store or Mac Dev Center.

With iOS 7’s beta progress dominating most of the column inches within the blogosphere, the forthcoming version of OS X – Mavericks 10.9 – has been comparatively quiet in clocking up four preview releases so far. Today, OS X Mavericks 10.9 gets its fifth developer preview release, and although there’s no real word on any of the changes yet aside from a new iBooks app for Mac, it brings us just that little bit closer to that final, end-user release.

This year’s Worldwide Developers Conference, and much of the time since, has been dominated by the talk and controversies of Apple’s new mobile OS. Yet despite the significance of this major mobile release, lest we forget that OS X is also a pivotal component of the Cupertino’s product line. OS X Mavericks 10.9 is also under constant development, and today, the fourth Developer preview of the upcoming Mac operating system has just been released.