Flew 846 / 845 this month and while seat / service / drinks were great, the food really leaves a lot to be desired - decent quality but pretty uninspired.
Having said that, I did have the Mandarin Oriental menu ex-HKG which was quite good apart from the fact that the steak was well-done (They did ask me how I would like it...I requested medium rare) but no big deal as my expectations werent that high