https://wccftech.com/destiny-2-beyond-light-delayed-to-november-10-bungie-reveals/

Beyond Light, this year's Destiny 2 expansion, has been delayed to November 10 as announced today by Bungie. It was previously scheduled to hit all platforms on September 22, as announced in early June.

We have made the decision to move the release of Destiny 2: Beyond Light to November 10.