Genshin Impact has been updated to version 2.30 today by MiHoYo. You can find out the complete patch notes for this update from here.
The latest major content patch is now available in Genshin Impact. This one adds new characters like Arataki Itto, new missions, weapons, and much more. All of this is part of the free content update for the game. You can get the details on this update below, or have a look at them on the official website.