I don't understand why the dotnet team doesn't invest more resources and time into tools: doctests and documentation generation, better and faster unit tests that I can write next to the actual code, easy access to the source code, no need to decompile a Dll to see it after pressing F12, a central place for packages and documentation like in pkg.go.dev or docs.rs . Most packages in nuget have no documentation at all, or only in readme format on GitHub, or a short Wiki on this page. Other environments like Rust, Golang, Java, Python are light years ahead when it comes to these aspects.
They are working on servo implementation, but it's long time to go.
Tauri has problem on Linux, webkit2gtk has lower performance etc. I know I have problems with three.js, others with svg
Additionaly communication speed between backend and frontend is bottleneck (serialisation to string) and you must use custom protocols to effectively communicate/send large data, zero copy binary protocol isn't possible at the moment
C# has nothing like that, xml comments and raw documentation that has no value