PDX has been burned before by releasing DLC features that implicitly depend on other DLC features, and having to release patches that either unblock or kludge a

PDX has been burned before by releasing DLC features that implicitly depend on other DLC features, and having to release patches that either unblock or kludge around it. The policy of “new mechanics are free, special abilities are paid” seems to me like a hard-learned lesson on maintaining configurations.