With OS X 10.9.3 on the horizon, Cupertino is already testing OS X 10.9.4 internally.

Apple has sent betas for iTunes and OS X Mavericks out to registered developers.

Apple has released another beta for OS X 10.9.2.

Apple has published another beta release of OS X 10.9.2 for registered developers.

Apple has published updated prerelease versions of both OS X and Safari for registered developers.

The new version of Mavericks allows users to block other people on iMessage and FaceTime, just like in iOS 7.

Registered developers can now download and install OS X 10.9.2.

Apple has published another prerelease update for OS X Mavericks.

Don't miss out on any of the awesome OS X Mavericks features by watching today's tips and tricks show.

Make it free, and they will come: OS X Mavericks adoption is the most impressive ever.

Ember for Mac, the digital scrapbooking app for design, has been updated with some great new features.

Two high-profile websites have activated Safari Push Notifications ahead of Apple's media event.

Mac developers have been asked to submit their OS X Mavericks-optimized applications to Apple.

Apple is now seeding nightly builds of forthcoming OS X releases to its employees.

Apple has launched a refreshed iTunes 11.1 application alongside OS X Mavericks Developer Preview 8.

Apple has released the seventh "beta" version of its forthcoming OS X Mavericks operating system for Mac computers.

Apple has also made OS X Mavericks Developer Preview 2 available to download in the Mac App Store.

Apple has approached Apple Retail Store employees and Cupertino, Calif. locals for feedback on its next-generation software.

Meet the face of "new Apple," senior vice president Craig Federighi.

If you're able to run OS X 10.8 Mountain Lion, the chances are you'll be able to upgrade to OS X 10.9 Mavericks next year.

Could these impressive OS X 10.9 features appear in iOS 7 or iOS 8?

Apple has announced a revamped Safari app in OS X 10.9 Mavericks.