OS X Lion is the old version of the OS X operating system, it was launched in the summer of 2011. In 2012 OS X Mountain Lion has replaced it, but Apple continues to provide support for those who continue to use it, and OS X Lion 10.7.5 is currently under development. Last night, Apple released a new update for the next version of the operating system, build 11G45 being now available for OS X application developers.
Apple asks developers to check the system for importing images and pictures, but to pay special attention to the graphic performance of Macs. OS X Lion 10.7.5 build 11G45 is available for download from the developer portal on the Apple website.
