From the announcement:
Privateer Press reveals Grymkin: The Wicked Harvest, the new faction for HORDES! Grymkin arrive at Lock & Load GameFest 2017 July 14th - 16th.
Source
Privateer Press reveals Grymkin: The Wicked Harvest, the new faction for HORDES! Grymkin arrive at Lock & Load GameFest 2017 July 14th - 16th.