[feedback needed] integrating nind-denoise with darktable

20240526__D8C0604.NEF.xmp (6.1 KB)
20240526__D8C0604.NEF (65.6 MB)

Hi.
Trying to process this RAW.
With dt 5.3.0 from the main branch I get artifacts in the form of black spots.

With dt 5.2.1 I get a black “square” already at stage s1.

What could I have missed?