问题
I update my vs 2019 16.3.10 to 16.4 and .net core 3.0 to .net core 3.1 but blazor webassembly app template is missing.
回答1:
Try the following to install the latest Blazor WebAssembly template. Run the following command:
dotnet new -i Microsoft.AspNetCore.Blazor.Templates::3.1.0-preview2.19528.8
Get the latest version here. It's free...
来源：https://stackoverflow.com/questions/59272624/missing-visual-studio-2019-blazor-webassembly-app-template