Apple has released the second build of its OS X Mavericks Developer Preview to registered developers, following the upcoming operating system's unveiling at WWDC earlier this month.


OS X 10.9 Mavericks Developer Preview 2 has been labelled with build number "13A97d," according to people familiar with the new seed. The first preview, which was seeded to developers during WWDC 2013, was dubbed "13A476u".

In the release notes, Apple highlights some known bugs that come with the new build, including small Safari and iCloud Keychain issues.

According to 9To5Mac, changes in the new Mavericks seed include general stability improvements, minor Safari user interface tweaks, small differences to the share and Message buttons in Notification Center, an iCloud Keychain setup prompt, the ability to use Migration Assistant and Preview improvements.

Apple's OS X 10.9 Mavericks Developer Preview 2 is available for developers via the Mac App Store now. In addition, new seeds of Xcode 5 and OS X Server are also available.

To find out more about OS X Mavericks, which is set to arrive in autumn and bring multiple improvements and new features to the Mac's operating system, check out the links below.

OS X Mavericks: Apple's developers discuss Apple's new love for power users

Why did Apple call OS X 10.9 Mavericks?

5 reasons why Mac OS X 10.9 Mavericks isn't named after a big cat

Apple rolls out iOS 7 beta to Cupertino locals, OS X Mavericks beta to retail staff

Four ways OS X Mavericks will save your MacBook's battery