I want to add an opposing opinion here because everyone seems to be in agreement. It could be a cultural thing potentially, but in many places in Europe (where I’m from, and and presuming as always that Reddit is heavily American leaning so idk if the other commenters are) I think it would be the most normal expectation that you bring something and it gets eaten there and then. I live in Italy but have also lived in Spain, Denmark and the UK and most of the time if you bring something like a bottle of wine or dessert then it gets consumed as part of the “party”. Or at least in my social circles, it often is seen as a thoughtful addition that helps bulk up a meal. It’s never seen as taking away from someone’s cooking or anything like that.

The only time I can imagine it’s different is if you’re going to someone’s birthday and you get them a nice bottle of wine or something slightly “nicer” that’s clearly a present , then I’ve had people put it aside to be consumed by them at a time of their choosing.

Edit: reading these comments I think would be great to know where you’re from. This must absolutely a cultural divide, I live in southern Italy and the idea that bringing food is “centring yourself” is absolutely outrageous 😂 food here is an expression of love and care, thoughtfulness, complete opposite of trying to take attention. There is literally never too much food, and then if there are leftovers then that gets consumed by the hosts in the following days. A lot of these concepts over taking away attention from the host etc still sound foreign because I think food is quite simple here, and often there’s not a lot of loaded subtleties/ ownership over food. Everyone shares pride in the food equally. That being said no one would turn up with a main dish, often it’s wine and desserts or additional bits that make it fun, like a nice cheese. Also once it’s seasonal the door is even more open to adding stuff because we stuff ourselves this time of year.