Just as I suspected here (
https://www.landroverworld.org/posts/210085/ ) in the New Defender thread, it looks like Land Rover got Goodyear to make a bigger tire for a 19-inch rim.
So far, though, it's not the Duratrac. It's a 255/65/19 Goodyear Wrangler All-Terrain Adventure tire that Goodyear has had for a while (and was previously discussed in this thread), but a 65 series instead of a 60 series, and now it's in a 114H load range (or 2,601 lbs), which is better than the standard XL range (around 2,400 lb), but still not nearly as good as an E-range tire (around 3,300 for a 265/65/18).
https://www.tirerack.com/tires/tire...5HR9WATA&vehicleSearch=false&fromCompare1=yes
Heck, on the Tire Rack page it even says "Land Rover" in the size description.