World models are increasingly good at generating rich environments, but controlling them remains awkward. A new paper introduces UniState, a framework designed to let users intervene in a simulation while freely choosing the viewpoint from which they watch the consequences. The authors argue that this combination of action and observation control is a key step toward more practical world models.

UniState works by unifying memory and intervention into a single system, rather than treating them as separate components. The abstract does not provide full technical details, but the stated goal is to make world simulation more controllable and easier to explore. The paper is available on arXiv under identifier 2610.25414.