I'd like to dedicate this thread to the discussion of the common "missing hotkey" problem, where the hotkeys that advance stages or change character positions do not activate. From my experience, it seems that this issue arises from an improper  upgrade from a previous version. I've had this problem and I manage to solve it for now at least, the following way (as described in the opening post of the developer's thread)     Although it might not work for everyone, it's definitely something yo