Diablo III will be updated to version 1.41 by Activision Blizzard. You can get the complete patch notes for this update from here.
Xbox Series S|X is getting its resolution fixed with this new update to Diablo III. Previously, the game was running at dynamic 4K resolution on the Xbox Series X and 1080p on the Series S, but it has been patched to run at native 4K and 1080p now. Other changes implemented in this update include the start of Season 26 which will bring Echoing Nightmare, a new optional end-game challenge for the players to sink their teeth into after beating the game. Take a look at what has been planned for this new update below.