New Platform PRs?

If pull requests were created that adds support for a platform other than the currently supported platforms what is the likelihood that such a PR would be merged assuming fit and function.

I think this question is better asked at the repo in question: dotnet/runtime, preferably including specifics (i.e. the answer might be different for a relatively common platform like FreeBSD or MIPS than for a platform you’re creating yourself).

Also, there have already been quite a lot of activity related to this, some links that might be of interest:

.NET Foundation Website | Blog | Projects | Code of Conduct