FWIW the other key feature missing for me is the histogram.[1] Pretty much everything I change in Lightroom, I'm keeping an eye on the histogram to make sure I'm not (unintentionally) blowing things out or losing dynamic range. Being able to drag the histogram itself is a bonus, but being able to see it at all is key.

Oh yeah, and noise reduction. With low-light photos lack of noise reduction is a dealbreaker. Maybe that becomes more important with RAW?

[1] https://www.google.com/search?q=histogram+lightroom&tbm=isch