Todd Howard confirms Nuka World is Fallout 4's last DLC.

During last Sunday’s E3 of Bethesda, the man behind the games like Fallout, and Skyrim has confirmed Nuka World is the going to be the last downloadable content coming to Fallout 4.
If you missed Bethesda conference, here is what they revealed for Fallout 4:

• Contraptions DLC ($5) – Releasing this week – Allows you to build all kinds of crazy contraptions like sorting machines and conveyor belts
• Vault-Tec Workshop($5) – Available In July – It let’s you build your very own Vault complete with dwellers to do whatever you please with.
• Nuka World($20) – Launches in August – Take a trip to Nuka-World, a vast amusement park now a lawless city of Raiders.

All the DLC above is free if you have the Season Pass