Wasteland 3 comes with DLC and more

Brian Fargo, head of inXile studio and game designer and producer of Wasteland 3, promised to support and develop the game. He announced his intentions to release DLC and "more" in his twitter.

Brian's words

“I want everyone to know that we love the Wasteland universe and will continue to improve it.
And long after we're done fixing bugs, we'll continue to improve the user experience, optimize load times, add updates, extensions, and more. "

As stated by Brian, the game will be released classic updates, fixing bugs, as well as full story additions. So far, the development team is focused on fixing game bugs, and the writers are already working hard on the stories for future DLCs.