Nikon Z6iii "failed to read camera white balance"

Hi, just wondering if support has been added for Nikon Z6iii. I can open NEF files in Lighttable. But when combining in HDR I get an error in darkroom "failed to read camera white balance information from the NEF file.
Thanks

Welcome!

Not yet. You can track progress (and test) here: Nikon Z6III · Issue #17075 · darktable-org/darktable · GitHub (only for lossless of course)