How to disable crossplay on Xbox Series X

There's no denying that there are some games where playing with a keyboard and mouse has a distinct advantage over controllers. This is typically shooter games, but can apply to many more genres that are played in competitive online matches. The Xbox Series X, PS5, and Switch all have adopted crossplay features that have broken down the walls between platforms so we can all play with, and against, each other. At first, this seemed like a fantastic move that would keep more games alive by increasing the player populations, but it also revealed some imbalances between platforms.

Source : https://www.pocket-lint.com/how-to-disable-crossplay-on-xbox-series-x/