https://wccftech.com/december-destiny-2-update-detailed/

The December Destiny 2 update will offer gameplay updates, investment updates, economy updates, and will be detailed next week.

The contents of next month’s Destiny 2 update were confirmed by game director Luke Smith on Twitter. “Next week the Destiny 2 team will detail the systems side of the December update”, he said. “It includes: economy updates (vendors & acquiring their gear, tokens, legendary shards), investment updates (new reward systems for weapons & armor) gameplay updates, and more”, he added.