NVRTX for UE5.4

Is it in development? Waiting for so long…

The latest NVRTX build is listed as a 5.4 preview in the Updates section on github:

Updates July 31

This update provides ongoign enhancements, particularly in the area of ReSTIR GI, and serves as a companion for the 5.4_preview release.

Highlights

  • Improvements in ReSTIR GI quality and performance
  • Debug mini pathtracer for ReSTIR GI
  • Screen-space light grid for use with RTXDI to improve sampling
  • improved conpatibility for DLSS-RR
  • fix potential GPU crash due to mismatched miss shader under certain effects combinations

As far as I’m aware, ray reconstruction has not been officially included yet