The .NET Core community group is evil. The author of CAP is cheating on dotnetcore.npoi. For details, you can read this post.
https://tonyqus.medium.com/the-real-history-of-dotnetcore-npoi-999bb5e140c7
Written by Tony Qu
.NET Veteran, Project Manager, Maintainer of NPOI, Senior Researcher for MSFT related affairs