Re: OpenColorIO v2 configuration samples
Yes, the configs you mentioned are v1 configs but they will also work in the v2 library.
There is a v2 demo config that illustrates most of the new features in the OCIO repo at:
Also, as was discussed at the OCIO presentation during ASWF Open Source Days, there is an ongoing effort to develop new ACES configs that leverage the new v2 features.
This effort has already produced a v2 ACES reference config that may be used for testing.
There are some gists available for work-in-progress, such as this one: