The default for Kestrel has been moved off of libuv, but you can choose to use libuv if you'd like. https://blogs.msdn.microsoft.com/webdev/2018/04/12/asp-net-

The default for Kestrel has been moved off of libuv, but you can choose to use libuv if you'd like. https://blogs.msdn.microsoft.com/webdev/2018/04/12/asp-net-core-2-1-0-preview2-improvements-to-the-kestrel-http-server/ https://blogs.msdn.microsoft.com/webdev/2018/04/12/asp-net-c...