How can I determine what libraries are not good on .Net Core?

Hi all;

I am porting a library from .Net Framework to .Net Core also. I've been using the Api Portability analyzer to let me know what I need to address. But it's giving me false positives (example 1, example 2).

Is there an accurate tool that can provide me this info?

thanks - dave

also asked on StackOverflow (if i get an answer there, I'll post it here).

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