https://github.com/microsoft/vscode/issues/30065
https://github.com/microsoft/vscode/issues/48810
https://github.com/dotnet/vscode-csharp/issues/1609
https://github.com/dotnet/vscode-csharp/issues/299
https://github.com/microsoft/vscode-dotnettools/issues/573
https://github.com/dotnet/vscode-csharp/issues/5276#issuecom...
A Rider license costs $419 per year per seat and Jetbrains has a poor quality record by today's standards, and if you are a serious developer that has to use one of their products, you'll find yourself at the mercy of numerous YouTrack tickets that have been open for years. They have a habit of shipping integrations that are only partially working, and then calling it a day (or the better part of a decade).
By the way, Rider may have been cheaper if not for the above moves by Microsoft: https://github.com/dotnet/core/issues/505