The announcement featured a Primecast+ teaser with incoming new models being designed for the new edition. The details included that the new edition will showcase new heroes, armies, and a new story. The news release also noted that there were a number of challenges that they aimed address in the development of this new edition this product. Warmachine MKIV is slated to be headed to market in fall 2022.
Privateer Press also recently released Megaton Mashup 2: King of the Khans, a new two player set for Monsterpocalypse Miniatures Game (see "'Monsterpocalypse' Two Player Set").