Digital Foundry : Doom Eternal recently received a dramatic upgrade for the new wave of consoles and PC hardware. In this special interview, John Linneman talks to id Software’s Lead Engine Programmer, Billy Khan to discuss the approach to ray tracing, 120Hz, variable rate shading (VRS) and the future of idTech.
Source: N4G PC Inside Doom Eternal's Next-Gen Upgrade: The id Software Technology Breakdown