Sony may be working on a new reissue in the spirit of The Last of Us: Part 1. According to the foreign press, a remake/remaster is in development Horizon Zero Dawn 2017. The news about the project appeared on the MP1ST website, a little later it was confirmed by VGC journalists.
The updated version should be as nice as Horizon Forbidden West. According to journalists, the game will get an improved lighting system, reworked textures and new animations and character models. In addition, developers will add various graphics modes and advanced settings for people with disabilities.
The publications have also heard about the development of an online game in the Horizon universe, but there are no details about that yet. Recall that multiplayer was initially supposed to appear in Horizon Zero Dawn, but was later abandoned.
The video below shows the comparison of graphics in Horizon Zero Dawn and Horizon Forbidden West.

Our review of Horizon Zero Dawn is here, and impressions of the second part can be read at this link.
Source: VG Times