The DPI scaling issues should be mostly fixed in GIMP 3. CMYK support is not a UX issue, that is another thing that's missing on the backend. I don't think it

The DPI scaling issues should be mostly fixed in GIMP 3. CMYK support is not a UX issue, that is another thing that's missing on the backend. I don't think it has anything to do with patents, the problem is more because of lack of manpower.