Simulation / Modeling / Design

Unreal Engine 4.25 Released, Ray Tracing Features Now Ready for Production

All Unreal Engine developers can now produce sophisticated lighting simulations in their applications. With the release of update 4.25, the engine’s robust ray-tracing features have come out of beta, and are ready for production. It’s easier than ever to add global illumination, realistic shadows and reflections, and ambient occlusion to your art pipeline.

This release includes the following additions and improvements: 

  • Added support for Nigara Mesh Emitters on the CPU and GPU.
  • Added support for the new Anisotropic shading model. 
  • Significant improvements to the quality of the Clear Coat shading model when used with ray tracing features. 
  • Added Clear Coat BRDF material support to the Path Tracer for generating ground truth comparisons. 

For details, see the UE4.25 Real-Time Ray Tracing documentation.

An NVIDIA Unreal Engine 4.25 custom branch, which includes access to DLSS 2.0, will be available soon.

To get the best stability and performance for developing content in Unreal Engine 4.25, download our latest NVIDIA Studio driver here.

To learn more about the new DXR Spotlight Contest, where we ask content creators and game developers to deliver tech demos showcasing real-time ray tracing (using Microsoft DirectX 12 and DXR, along with Unreal Engine and the GeForce RTX platform), go here.

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