iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
Apple Releases Mac OS X 10.6.3 Build 10D567 to Developers
Apple today seeded yet another version of Mac OS X 10.6.3, termed Build 10D567, to developers. iPhone in Canada offers some details on the new version, which has seen only minor refinements as development appears to be wrapping up. Developers are reportedly asked to focus their testing on Graphics Drivers, iChat, QuickTime, Printing and Rosetta.
The last developer build of 10.6.3 was seeded last week Wednesday, and we continue to expect a public release of the third maintenance update to Snow Leopard in the relatively near future. Mac OS X 10.6.2 was released in early November.