The Ascent was updated to version 2.1.4.0 today by Neon Giant. You can find out the complete patch notes for this update from here.
This update addresses the issues with performance when running the game in the DirectX 12 mode along with Ray Tracing. There are plenty of other fixes implemented in this update which you can see in the patch notes given below. They were shared by Neon Giant on the game’s official website.