At Gamescom: Opening Night Live, Blizzard has announced Season 2 for Diablo 4, Season of Blood. With the release of Season 2, many much-requested QoL features will be introduced to the game! Season 2 will begin on October 17.
Diablo 4 Season 2: Season of Blood Announced Diablo 4 Season 2: Season of Blood Blog Post
Here is a list of all the currently known QoL features coming with the release of Season 2: