Request a new feature, or support for a camera/lens that you would like to use in Capture One.
It would be nice to be able to have the Base Characteristic Tool with ICC Profiles and Curve (Linear Response etc..) like in Capture One PRO.
https://support.captureone.com/hc/en-us/articles/360002424317-What-is-the-Curve-section-of-the-Base-Characteristics-tool