You could have a playback mode where you use real focus and caret. E.g. DOMRec could easily be modified to do this in fullscreen mode. After that it might Just

You could have a playback mode where you use real focus and caret. E.g. DOMRec could easily be modified to do this in fullscreen mode. After that it might Just Work since the ARIA roles are in the DOM. Indeed it would be very cool!