World War Z 2 - Whatever happened to the Brad Pitt sequel?

In 2013 World War Z earned $540m but ten years years later there's still  no sign of it so what happened to World War Z 2?

Screenplay Review – World War Z 2

David Fincher's Next Possible Project: A Sequel to World War Z

Brad Pitt's World War Z sequel is no longer happening

David Fincher Has Eyes Set On 'World War Z' Sequel

World War Z 2 - has it been cancelled?

World War Z 2” (An Update on the Canceled Sequel) - IMDb

World War Z and Happy Endings

Brad Pitt 'killed' the zombie flick, says genre master George

World War Z producers offer update on the long-delayed sequel