Is there anything IntelliJ Ultimate is missing in your opinion? I use it with quite a few different languages (JS, TS, Java, Kotlin, Dart, Go, Rust, Erlang, C)

Is there anything IntelliJ Ultimate is missing in your opinion? I use it with quite a few different languages (JS, TS, Java, Kotlin, Dart, Go, Rust, Erlang, C) and it works really well (except maybe the last two but I very rarely need them).