Doesn’t look like they’ve left a lot on the table in terms of weight savings.
I think you could save a bit more if you went boutiquey in terms of pedals, seatpost, stem, saddle, handlebars. It depends how light you want to go and what sort of riding you’re doing.
10kg is already pretty jolly light for an XL full sus.
Check out MT Zoom for some lightweight options that are supposedly XC tested. You could go Syncros SL or some other 1200g wheelset. We’re talking big dollars for few grams though.
I think Nino and Anton Cooper (and assumedly a host of other WC racers) run titanium pedals from alternate brands that would save some grams as well. I imagine there’s some durability compromises there, but for a pure bred, no expense spared race machine could be worth it.