Weird behaviour with Diffuse Or Sharpen, do you have it?

[priort (Todd Prior)]

You might be able to use this for some diagnosis…

New internal function…

Darktable internal working color space

It might be of interest, darktable master has recently got the --dump-pipe option that will dump pfm files of a module in & output. Might that help? Also - out of curiosity - what do you use these tiff files for? I might be interested to implement that sort of stuff if there could be a common usecase except for debugging dt…