I'm still using the 7100 and won't upgrade.
Mostly shooting wildlife.
Seems expensive. £500 more than I paid for my 7100 (I think it was £800)
The extra Fps and buffer might help occasionally but I'm getting good results with the 7100, even with its awful buffer.
Better AF might help, but again 7100 seems good enough for me. Plus learning a new AF system takes time.
Sensor seems like a sidegrade, maybe small improvement at some iso.
Tilting screen is a nice addition.
Snapbridge falls down on the software side.
Another incremental update with a substantial price increase.
This highlights for me the problem nikon have.
The new models just don't offer enough extra to tempt me to upgrade. Lots of nice additions but no killer feature.
I guess the 7100 was a good buy, looks like I'm going to get 5 years use from it.