Fallout 4's next expansion, Vault-Tec Workshop, comes out later this month, but you won't have to wait until release to see it in action.
Bethesda has announced that it will show off the content as part of a livestream scheduled for this coming Tuesday, July 12. The event will be broadcast on Twitch.
Here is the expansion's official description:
"Build a brighter future underground with the all-new Vault-Tec Workshop. Create a massive vault and attract new dwellers using pre-war industrial kits complete with retro-nostalgic furniture, lighting, and art. And like every good Overseer, run Vault-Tec approved experiments on your dwellers to learn what makes an ideal citizen. Vault-Tec has given you the tools, the rest is up to you!"
Following Vault-Tec Workshop will be the substantial-sounding Nuka-World, which is definitely Fallout 4's last expansion.