Questions about AMD Ryzen Threadripper PRO 3975WX

Has anyone got this processor working with a TRX4 motherboard? On the AMD site, you can find the specification sWRX8 for the chipset, which is very confusing with the specification here. There is not much information about the new chipset, especially about three mainboards that are not yet available. https://www.amd.com/en/products/cpu/amd-ryzen-threadripper-pro-3975wx