Were you using an older save file from a previous version, when you encountered that bug? And unfortunately, previous events will be tied to their acts, but there will be more content as the game goes on.
Probably best to use a new save. Usually, saves from the previous version should be fine with the latest update, but saves from even older version will break the game. Though, in v0.08, there's now an option to skip straight to act 2 when starting a new game, if you don't wish to redo act 1.