title: Issues with Blazor and latest preview
body: <p>Blazor project having an issue with the render tree. I am using a project of Github I have updated the blazor reference to the latest.</p>
  
  <p>But now I am getting the following error within Google Chrome.</p>
  
  <blockquote>
    <p>Microsoft.AspNetCore.Components.RenderTree.RenderTreeDiffBuilder.InitializeNewComponentFrame
    (Microsoft.AspNetCore.Components.RenderTree.RenderTreeDiffBuilder+DiffContext&amp;
    diffContext, System.Int32 frameIndex) &lt;0x3564ae0 + 0x00082> in
    :0  d.printErr @
    blazor.webassembly.js:1</p>
  </blockquote>
  
  <p>I updated to Preview 9 cause the fact the Microsoft.AspNetCore.Components.RenderTree. Component seems to be removed on the version that is in the latest visual studio 2019 is this a known bug I don't see many articles about it.</p>
  
  <p><a href="https://i.stack.imgur.com/oolSU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/oolSU.png" alt="enter image description here"></a></p>