В новой версии Rider будет реализована поддержка XDT трансформаций!
https://blog.jetbrains.com/dotnet/2017/12/15/xdt-configuration-transformations-rider/
https://blog.jetbrains.com/dotnet/2017/12/15/xdt-configuration-transformations-rider/
The JetBrains Blog
XDT configuration transformations in Rider | The .NET Tools Blog
Rider 2017.3 EAP comes with support for Web.config and App.config transformations. These configuration transformations allow us to update certain settings in a Web.config or App.config file when packa