The latest Windows 10 Game Ready driver for NVIDIA GeForce cards unlock DirectX 12 Ultimate features on RTX GPUs. This may bring attributes such as hardware-accelerated ray tracing and mesh shading to certain games. The new driver also supports 9 more G-SYNC-enabled monitors from AOC, Dell, LG and other OEMs.
https://www.notebookcheck.net/NVIDIA-s-new-GeForce-Game-Ready-driver-is-DirectX-12-Ultimate-compatible.477364.0.html