Currently it is very difficult to access any new lists or new fields within existing lists IF the workflow is has already been created.
Support suggested changing the connected site, highlighting a different action, then re-establish the original details.
This methods is not proving very reliable. a single 'refresh all connected content' button would make this a lot easier.
Thank you very much for posting your feedback for our review. At this time, we will not be adding this request to the near-term backlog, as we are focused on other highly requested features. However, we reevaluate requests every quarter and will reach out if priorities change. Please keep the feedback coming as it is critical for our longer-term planning.