The Witcher 4 and other upcoming games will use Nvidia's ray tracing enhancements. This technology is expected to improve the games' graphics and overall gaming experience. The use of ray tracing is a significant development in the gaming industry, as it allows for more realistic and immersive gameplay. The Witcher 4 is a highly anticipated game, and the use of Nvidia's ray tracing enhancements is likely to generate significant interest among gamers. As the gaming industry continues to evolve, the use of advanced technologies like ray tracing is becoming increasingly important for delivering high-quality gaming experiences.