That is fantastic news! I was curious when they added it and it looks like: https://github.com/intellij-rust/intellij-rust.github.io/com...

So yeah - nevermind about CLion! I do think it works better than IntelliJ, but it's a subtle, not-easily-quantifiable thing, and it's probably not worth buying it if you're just dabbling and also have IntelliJ Ultimate.