According to the official update notes on Reddit , this patch focused on several critical fixes:

The update for Horizon Zero Dawn on PC, released in early 2022, is widely considered a "good paper" (or a solid release) because it significantly improved the game's stability and technical performance. Key Improvements in v1.11.2

: Files from unauthorized sources often carry risks of malware or trojans.

: Resolved issues where assets used the wrong quality levels while using NVIDIA DLSS or AMD FSR .