Diablo 4 GM promises annual expansions and upcoming patch before Season 2

Diablo 4 general manager Rod Fergusson confirmed in an interview that Blizzard is working on "annual expansions" for the game. Fergusson mentioned quarterly seasons and annual expansions as part of their long-term plans for Diablo 4, with storylines that extend well into the future. This suggests that Diablo 4 may follow a release cadence similar to Destiny 2, with a potential expansion release in the summer of next year.