Guerrilla Games has now announced a new update to Horizon Zero Dawn. This will be patch number 1.12. There is a lot of things that have been improved in the game.
The Horizon Zero Dawn fixes a number of bugs and progression issues and crashes. Be wary that the patch notes do reveal some spoilers from the main story.
If you are having progression issues, Guerrilla Games advises you to reload a previous save in order to try and avoid getting into too much trouble. The new patch also adds 3D audio support for 3D headsets.
If you want to read full details on the patch notes, you can click here to see them via Reddit. Make sure to download it ASAP in order to see the changes take into effect.
