State of Decay 2 is now being supported by Wushu Studios, and its first major content update, Curveball, is coming to all players on Sept. 18.

source https://www.windowscentral.com/gaming/xbox/undead-labs-is-working-on-state-of-decay-3-but-sod2-continues-to-breathe-with-a-new-content-update-next-week