Phoronix Reports Vulkan 1.4.368 With Valve and NVIDIA Extensions

According to Phoronix, a new version of the Vulkan graphics and compute API, numbered 1.4.368, has been released with extensions contributed by Valve and NVIDIA.
Extensions from two contributors
Phoronix reports that the update to Vulkan, version 1.4.368, includes extensions from Valve and from NVIDIA. The available reporting does not name the individual extensions or describe their function, so the extent of the changes cannot be determined from this account alone.
Background on NVIDIA
NVIDIA is a semiconductor company headquartered in Santa Clara and founded in 1993. The sources behind this report say nothing further about the company's part in the Vulkan release.
Single-source reporting
The account rests on a single outlet, Phoronix, and has not been independently confirmed in the material available to WORLDTECH.
Open questions
- Which specific extensions do Valve and NVIDIA contribute in version 1.4.368?
- What practical changes will developers and users see from the new extensions?