I've heard the VSCode + Rust analyzer situation has gotten really good. I think this might have been when it wasn't as solid? I'll have to check out the VSCode situation again sometime.
The one thing I don't like about Rider vs Visual Studio + ReSharper is that ReSharper has some really advanced structural/semantic searches that haven't made their way into Rider. I don't use it a ton, but being able to do queries across the AST annotated with semantic/type info is really useful if you're working on a legacy C# project that's been copy pasted fifty times--once per state (actual thing that I ended up working on)
otherwise, Rider is rad, and I have way more intellij platform bindings and such setup for them all