From Nikon:
ViewNX-i v.1.4.1
Changes from Version 1.4.0/1.4.0a to 1.4.1
Download: ViewNX-i v.1.4.1
Changes from Version 1.6.0/1.6.0a to 1.6.1
Download: Capture NX-D v.1.6.1
Changes from Version 1.1.0 to 1.1.1
Download: IPTC Preset Manager (Mac) v.1.1.1
Unfortunately, detailed information regaring this update was unavailable, but it's likely that new camera or lens profiles were added.
Download: Distortion Control Data Version v.2.018