Nikon has just udpated several programs as a result of the D3400's announcement. You can find the details below.
Capture NX-D 1.4.2
Changes from Version 1.4.1 to 1.4.2
- Added support for the D3400 and COOLPIX W100.
- Fixed the following issues:
- Capture NX-D would show images marked with a label or rating in ViewNX-i as having been edited.
- Photos taken with the D500 would be converted to gray images if Convert Files was used after Fisheye was applied.
- Images modified and saved in other format in Capture NX-D after labels had been applied in ViewNX-i could not be opened in Capture NX 2.
Download: Capture NX-D 1.4.2
ViewNX-i 1.2.3Changes from Version 1.2.2 to 1.2.3
- Added support for the D3400 and COOLPIX W100.
- A Close Filmstrip option is now available in the Viewer Settings for Image Viewer and Full Screen modes.
- You can now make playback controls always visible during movie playback.
- Fixed an issue that caused the lens type for pictures taken with type E lenses mounted on the D4S or earlier Nikon D-SLR cameras to be listed as type G in the camera info display.
- A Movies item has been added to the Options menu giving you the option of selecting Favor frame rate.
Download: ViewNX-i 1.2.3
Picture Control Utility 2.2.1Changes from Version 2.2.0 to 2.2.1
- NEF (RAW) photos taken with the D3400 can now be used as preview images.
- Scales can now be displayed on sliders at all times.
Download: Picture Control Utility 2.2.1
NEF Codec 1.29.0What’s New with Version 1.29.0
- Added support for NEF (RAW) images created with the D3400.
Download: NEF Codec 1.29.0