NBA 2K21 started with a high number of bugs, such as the return of the infamous aisle glitch. My Players sometimes don't seem, and there are various cartoon glitches during matches. The most egregious bug was for pre-order content and VC not looking in the game.
Players who spent extra money for the Mamba Forever Edition nevertheless do no have their pre-order digital bonuses delivered. The same goes for VC which has been purchased, and it appears this issue is a result of server traffic.
As the patch notes aren't detailed, it is tough to know which bugs have been fixed. You are still able to play single-player manners without the update, but without the patch, your rosters won't update and you won't have the ability to play with online.Future updates include hotfixes for shooting, which many players have found too difficult or unintuitive.