Front locker in the Sasquatch package available on all trim levels.
From Car and Driver article today.
"Got all that? Good, because there's one more thing: the Sasquatch package. That's your primo off-road gear: 35-inch Goodyear Territory mud-terrain tires, a 4.70 final-drive ratio, locking front and rear Spicer differentials, 17-inch black-painted beadlock-capable wheels, high-clearance suspension and fender flares, and the Bilstein dampers. Sasquatch Broncos also get a full three inches of extra track width. The package be added to any trim level, but it's standard on Wildtrak and First Edition. So your bang-for-the-buck off-road beast will be a base model with Sasquatch"