It depends on your workflow. If you‘re using the ‚new‘ scene referred workflow, then you can ditch basecurve (tries to mimic camera jpeg processing) and there’s also no demand using tonecurves.
Take some time to read PIXLS.US - Darktable 3:RGB or Lab? Which Modules? Help!
& for a quickt start: darktable 3.0 for dummies (in 3 modules)
1 Like