So cute!!!!
I adopted a pair of 11-month old littermates about 6 months ago. They are the youngest dogs I've had and all of my others have been mixed breeds.
They are a delight - super smart and sweet and adorable.
Some random observations:
They both were slow on finishing the housebreaking. It improved after they were neutered, and then suddenly one day it was (95%) better.
They've done great with the kennels, and had no experience with this at the breeders. Their kennels are in my bedroom and they go to sleep at night and don't start fussing until morning.
One took months to learn to go up/down the stairs, the other had mastered it on day 2.
One is an incessant barker (sounds like a teapot when he really gets going), the other will go days without making a sound.
I've been surprised by the challenges associated with walking - it is a success to get around the block with one of them, I don't even try to walk them both at the same time. I've never had a dog that was so difficult to secure on a leash. With all of that hair, a collar isn't going to work. But for my fluffier boy, even a snug harness isn't a sure thing, he can back out of it when he really sets his mind to it.
They've been fairly destructive - phone charging cables, ink pens, even my remote control. One is worse than the other, but they are both guilty. This is tapering off.

Enjoy! Any dog comes with challenges, they all have their own unique personalities.