Changing raw crop does not work

Thanks for the info. However, even if I add the line exactly as you suggested, it is still completely ignored by RT. I tried with plain RT 5.9 and also 5.9-7-g1cc3b0eb6.
Here’s the complete entry for the camera:

{ // Quality C
    "make_model": "Sony ILCE-7M4",
    "dcraw_matrix": [ 7460, -2365, -588, -5687, 13442, 2474, -624, 1156, 6584 ] // ColorMatrix2 using illuminant D65 from Adobe DNG Converter 14.2
	"raw_crop": [ 0, 0, -36, 0 ]
},

I also tried with the comma after the raw crop line:

{ // Quality C
    "make_model": "Sony ILCE-7M4",
    "dcraw_matrix": [ 7460, -2365, -588, -5687, 13442, 2474, -624, 1156, 6584 ] // ColorMatrix2 using illuminant D65 from Adobe DNG Converter 14.2
	"raw_crop": [ 0, 0, -36, 0 ],
},

What am I doing wrong?