title: Nuget for Microsoft.NETCore.App 3.0.0 not available?
body: <p>We are facing memory leak with ConfigurationRoot. Looking at this thread, it's now been fixed:
  <a href="https://github.com/aspnet/Extensions/issues/861" rel="nofollow noreferrer">https://github.com/aspnet/Extensions/issues/861</a></p>
  
  <p>This requires us to upgrade to Microsoft.NETCore.App 3.0.0
  <a href="https://www.nuget.org/packages/Microsoft.Extensions.Configuration.Abstractions/" rel="nofollow noreferrer">https://www.nuget.org/packages/Microsoft.Extensions.Configuration.Abstractions/</a></p>
  
  <p>But, I am not able to locate Microsoft.NETCore.App 3.0.0 nuget anywhere. Any idea where I can find this?</p>