DSOGaming writes: “One of our readers informed us about a possible rendering issue in the PC version of Horizon Zero Dawn. According to the report, the screen-space reflections are not being rendered correctly in 4K. And, after testing various areas, we can confirm that the screen-space reflections are bugged when using 4K resolutions.”
Source: N4G PC Horizon Zero Dawn PC screen-space reflections are bugged in 4K resolutions