The next big expansion for Destiny 2 is on the way, but it's already coming under fire well before its release. Two new dungeons will be added to Destiny 2 with The Witch Queen expansion, but you'll have to pay extra to get them. You'll have to either purchase the Deluxe Edition of The Witch Queen Expansion for $79.99 (versus $39.99 for the Standard Edition), or through a "separate access path" in the future if you just buy the Standard Edition.
There was some confusion among the Destiny 2 communities about what exactly was included in the various editions of The Witch Queen expansion, so a Bungie Community Manager made a statement on the Destiny 2 subreddit to clarify the situation with the two dungeons:
If you get the Digital Deluxe Edition of The Witch Queen you will receive the expansion, all four Seasons for the next year, and the two Dungeons. If you get the Standard Edition, you can still upgrade to the Deluxe Edition to get the dungeons later. We will also be offering a separate way for you to purchase the Dungeons in the future, but they will not be included in the Season passes.
The Witch Queen is still months away from releasing, so who knows what may change between now and then. Many Destiny 2 fans have voiced their displeasure at Bungie's decision to lock the two dungeons behind a further paywall, so we'll have to see if they respond.
For some, it's a sign that Bungie is quickly heading down a less consumer-friendly path, considering they recently announced that some content will be going in to a "Destiny Content Vault" and be inaccessible in-game. Some of that soon-to-be gated content (on November 10th) is something people paid to get access to.
Losing access to already paid for content and now requiring an extra premium to access some of the new content coming to Destiny 2 is a big ask for some from Bungie.