I am a photographer and from a shoot of around 250 images I can generate duplicates, triplicate or more versions of an image so that the outcome can exceed 500. I have had this problem since the ...
darktable 3.8.0 reports a missing color matrix in DNGs produced from Sigma X3F raw files by the X3F Tools (Kalpanika). With 3.6.1, such DNGs could still be opened and processed with reasonable colors.