Let's start with the long awaited Commander Creator that is coming to Elite: Dangerous in the next Horizons update. See the PAX East video below:
And this video highlights Raider Suits for Elite: Dangerous:
There are also 4 new screenshots from PAX East. One of them you already saw above as the cover for this article. Other 3 showcase Asteroid Base, Multicrew, and Raider's MegaShip:
Additionally, you can visit the game's Youtube channel and watch 4 different livestreams from PAX East, providing more than 4 hours of Elite: Dangerous Horizons content.