Would changing workflows corrupt previous cases?

Right now when we modify workflows we dump and load, which also clears out the cases. Obviously in production we wouldn't want to do that. Eventually we'll even have a UI for modifying workflows. But if we, say, add a state to the end of the workflow, would that corrupt existing cases? What about modifying a state/action?

Just something to think about

Start by tracing the current workflow dump/load operation and how it clears existing cases. Examine the impact of adding a state or modifying a state/action on stored cases; done means the compatibility behavior is defined and verified for these workflow changes.

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