I did this interview this morning after playing the story mission and Gambit. Chris and Scott talked about a ton of stuff, including...
How collections work. You can pull Y1 static roll stuff out, and shaders you've found.
Y1 weapons will still drop.
On the Raid: "The raid is directly related to the story of Forsaken. It's not a side thing. It is an ultimate culmination of everything that you've learned, but that doesn't mean the obvious thing."
High Moon is focused on Tangled Shore and the combatants.
Cayde is definitely gone: "He is dead. I will 100 percent confirm Cayde's dead. We want people to understand the stakes here."
They love that Uldren is a human-sized big bad.
https://www.pcgamer.com/bungie-on-why-cayde-6-must-stay-dead-and-how-the-raid-will-be-the-ultimate-culmination-of-destiny-2-forsaken/