http://downloadcenter.nikonimglib.com/en/download/fw/264.html   • Added the following supports for AF-P lenses: - If the standby timer expires after focusing, the focus position will no longer change when the timer is reactivated. - When focus is adjusted by rotating the lens focus ring, the focus indicator in the viewfinder (and in live view, the focus point in the monitor) now flash to indicate when infinity or the minimum focus distance is reached. • Fixed the following issue:- Optimal exposure would sometimes not be achieved in photos taken in live view using a lens with electromagnetically controlled aperture (type E lenses).