About Apple Software Installer Update 1.0Apple does not, however, specify exactly what the issue is or what Apple software is affected by it. The release weighs in at 1.34 MB and requires Mac OS X 10.6.8.
This update addresses an issue that may prevent certain Apple software from installing. This update is recommended for all users running Mac OS X 10.6.8.
iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.