Difference between CSC and ACM profiles?

[CrHasher]

What is the difference in behavior between the CSC and ACM versions. All I see is CSC is clipped to strict sRGB while CSC allows more colors like the original profile you convert from.

Not an issue just a question.

[pbaykalov]

as I understand it
CSC means that colour management is always on, regardless of application and the ACM switch, and you decide what is the SDR colour space (selectable through MHC2gen )
ACM means that colour management is on/off depending on application as described in Microsoft documents (including per-program off-switch in compatibility settings) and can be disabled with ACM switch, and Microsoft decides that SDR colour space is sRGB