Apple released the ninth Mavericks beta of 10.9.3 to developers

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Apple launches the ninth beta, just 8 days after posting on its developer web  the previous version, the beta-eight.So quickly between the two versions could indicate that soon we will have available for the public. 

The goal is the same, focusing attention on the issues that were failing previous betas to try to post the version of OS X 10.9.3 Mavericks with the fewest problems. This from Apple developers indicate the points where they have to influence when finding faults in it.

Aspects of the system to treat are the possible problems with audio and video drivers, the Mail and Safari applications included by default in the system and also a new feature that allows you to synchronize calendar and contacts with local devices via iTunes. Another feature introduced in the latest versions of the beta is the ability to bend pixels to fit 4K monitors from other manufacturers.