Nikon Rumors reports:
- New 20MP FX sensor (confident)
- New focusing module with larger coverage and 153 autofocus points (confident)
- Native high ISO of 102,400 (confident)
- 15 fps (not sure)
- Body design similar to the D4s (confident)
- 4K video 60/30fps (not sure)
- Full HD slow motion (not sure)
- Update: 2 identical memory cards (not sure CF or XQD, I was told that both memory cards slots are identical and looked bigger than SD - maybe something got lost in the translation)
- Announcement expected in early 2016 (confident)
