iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
Apple Seeds OS X 10.7.5 Build 11G15 to Developers
- Graphics performance and qualityThe build weighs in at 937 MB for the delta version and 1.87 GB for the combo version that can be used to upgrade from any prior version of OS X Lion.
- Image & Media importing, editing or viewing
- Networking reliability & performance
There are no known issues associated with this build, but a timetable for a public release is unknown. Apple has announced that it will be launching OS X Mountain Lion sometime next month, and it is likely looking to release OS X 10.7.5 before that time, although the company has occasionally released maintenance updates for its operating systems even after their successors have launched.