- **The Windows Hosting bundle doesn't exist for Preview3**: The Windows Hosting bundle contained an issue which copied the 32 bit dlls into 64 bit locations. To work aroud this issue, please install the 3.0 Preview 2 [Hosting Bundle](https://github.com/dotnet/core/blob/master/release-notes/3.0/preview/3.0.0-preview2-download.md) and run the executable on a command line with the paramaters `OPT_NO_SHAREDFX=1 OPT_NO_RUNTIME=1`. Then install the appropriate .NET and ASP.NET runtimes for preview3.
- **Updates to .razor files fail to show up in subsequent builds**: Updates to Razor Component (.razor) in Visual Studio may fail to show up in subsequent builds. To work around this issue add the following item group to the project file:
- **Updates to Razor Components in .razor files fail to show up in IntelliSense**: Updates to Razor Components defined in .razor files may fail to show up in IntelliSense in Visual Studio. To workaround this issue rebuild the project.
- **Single Page Applications with authentication enabled throws method not found exception when visiting the register or login pages**: The exception message is the one below.
`Method not found: 'Microsoft.EntityFrameworkCore.Metadata.Builders.IndexBuilder Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder``1.HasIndex(System.Linq.Expressions.Expression``1<System.Func``2<!0,System.Object>>)'.` To workaround this issue follow these steps:
* Replace the following package references with the ones below in your csproj folder: