VideoCardz.com posted Upcoming Ryzen X470, Coffee Lake-S Z390, H370, H310 and B360 motherboards from ASRock A quote from the article:

We have an update from ASRock regarding their upcoming motherboards. First Ryzen 2000 motherboards A new series of Ryzen motherboards are already in the making. We can confirm the following Fatal1ty X470 ASRock

 Upcoming Ryzen X470, Coffee Lake-S Z390, H370, H310 and B360 motherboards from ASRock @ VodeCardz.com