I used vim as my primary code editor for over 15 years. Now I use IntelliJ vim mode and am happy with it. You're saying I don't know vim well enough. What impo

I used vim as my primary code editor for over 15 years. Now I use IntelliJ vim mode and am happy with it. You're saying I don't know vim well enough. What important vim features (which I'd use if I knew vim) is IntelliJ missing?