NVIDIA announced a host of new titles set to feature RTX techniques like DLSS and ray-tracing. Doom Eternal, teased alongside the GeForce RTX 3080 Ti launch, will get a ray-tracing patch on June 29th, while Rainbow Six: Siege's DLSS update is already out.
https://www.notebookcheck.net/Doom-Eternal-is-getting-NVIDIA-DLSS-and-ray-tracing-on-June-29th-Rainbow-Six-Siege-DLSS-patch-out-now-with-50-percent-performance-boost.545566.0.html