ASP.NET Core 2.0 Uses SignalR Technology

I am using the current highest version in this example, of course the version number is likely to change every day, the latest version of the SignalR is not compatible with the .NET Core SDK 2.0 Preview 1 by default when creating the project Microsoft.AspNetCore.All this package Version, here also modify the revised version number: Microsoft.AspNetCore.All 1.0.0-alpha-final.
October 01, 2017
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