Apple released Mac OS X 10.8.3 after months of testing to users last month, and now the fruit company has begun beta testing OS X 10.8.4 and has seeded it to developers. According to 9To5Mac Apple has asked developers to focus on WiFi, Graphics Drivers, and Safari with this particular build of Mountain Lion. Apple hasn’t specified what exactly the update includes though, but it is likely it will mostly focus on bug fixes and performance improvements.
Mac OS X 10.8.4 has a build number of 12E27 and is available to download in the Apple developer Centre if you are a registered developer. Those that are registered developers and have had a chance to check out the new beta update, make sure you let us know what you find in the comments section below.