The most recent seasonal update for Destiny 2 is Season of the Drifter, which is live now.
Season of the Drifter is Destiny 2’s second Annual Pass season and sixth season overall - running from March to May 2019.
This content update adds a Gambit Prime (a new high-octane evolution of classic Gambit), The Reckoning ritual activity, Gambit private matches, Exotic quests, new story content, quests, lore and hidden pursuits, and new triumphs and medals.