AMD is rumoured to be releasing 12nm Pinnacle Ridge CPUs in February 2018

[WYP]

AMD is also rumoured to be releasing a new 400-series chipset in 2018.



Read more on AMD's rumored 12nm Pinnacle Ridge CPUs.

 

[NeverBackDown]

I think for motherboards this will be a larger more important impact than the CPU itself. Having far more advanced/robust BIOS's and things all ironed out will be a huge benefit.
That and after seeing the success Ryzen has had, we will get more motherboard options which we lack for anything other than ATX atm.