VS2019 does not actually create a new project template in question .NET Core3.0
Today, a little free time, so installation net core3.0, but when you create a new project, discovered that there was no option core3.0 net,
But enter in the CMD window dotnet --info display properly, from the computer to no avail, after a panacea baidu, found out that vs2019 support netcore3.0 is red and beginning the native version 1.6.3 1.6.2