https://wccftech.com/horizon-forbidden-west-reveal-trailer-analysis-highlights-decima-engine-improvements-ray-tracing-is-not-used-in-the-footage/

Horizon Forbidden West is among the most impressive PlayStation 5 titles shown so far, and the reveal trailer showed some glimpses of how developer Guerilla is evolving its Decima Engine.

Digital Foundry released today an in-depth look at the game's reveal trailer, highlighting the engine's improvements seen in it, such as increased foliage density, improved texture detail, upgraded sky rendering, and more.