I\'m currently trying to do some JSON formatting using the HttpClient in .NET Core and MediaTypeFormatters. Especially the function "ReadAsAsync(..., MediaTypeFormatter, ..
Microsoft.AspNet.WebApi.Client 5.2.4-preview1 is available now at https://www.nuget.org/packages/Microsoft.AspNet.WebApi.Client/5.2.4-preview1, as of the first week of January 2018. I was able to add it to my .NET Core library today, and it builds successfully.