https://www.techradar.com/news/destiny-2-will-be-free-to-play-and-on-steam-with-next-expansion-in-september

Destiny 2 is getting a free-to-play version, and it’s shifting over to Steam, Bungie announced alongside the revelation of a new expansion (and cross-save functionality, to boot).

That expansion is called Shadowkeep and is set on the moon, featuring Eris Morn (from the original Destiny) and a mysterious citadel full of nightmares from the past, the latter of which represents the return of other major characters from the franchise.