Today CD Projekt Red announced that a mistake was made with the release of The Witcher 3: Hearts of Stone for Xbox One , and users that purchased the expansion before yesterday got an incorrect version.
“It has come to our attention that an incorrect version of Hearts of Stone was accidentally released to users that purchased the expansion pack before yesterday. Since that point the correct version has been released. If you’re concerned that your version of the game is not up to date, don’t worry — any affected copies of the expansion pack will be automatically updated to the newest build without any action required on your part.
We would like to apologize to all the gamers affected by this problem.”
So there you have it, straight from the lion’s mouth. If you got an outdated version of the expansion, you need not worry. CD Projekt is gonna get you up to speed without need for action on your part.