Apple Releases Ninth OS X Mavericks 10.9.3 Beta to Developers

Apple has released the ninth OS X Mavericks 10.9.3 beta to developers for testing. As usual, the new version has been seeded just one week after the eighth beta (build number build 13D55). Apart from the operating system itself, Apple has released Safari 7.0.4.

The new OS X Mavericks 10.9.3 beta has a build number 13D61 and contains a number of stability improvements and bug fixes. The focus areas remain the same, namely, graphics drivers, audio, Mail, Safari browser and Contacts and Calendar sync over USB in iTunes.

So far, the guys from Cupertino have added several new features to OS X 10.9.3. These features include the ability to sync contacts and calendar info among all iOS devices a person owns and the support of native Retina resolution on 4K displays.

The ninth OS X Mavericks 10.9.3 beta is available on Apple's developer portal or via Software Update. To download the new operating system one has to have a registered developer account.