https://wccftech.com/zero-dawn-patch-1-40-frozen-wilds-trailer/

Horizon Zero Dawn patch 1.40 has been released by Guerrilla Games alongside a new trailer for the upcoming Frozen Wilds expansion.

The new update adds support for the Frozen Wilds DLC and various animation fixes. In addition, the patch addresses several progression related issues, and offers some general fixes. You’ll find the official release notes below: