Simply put - if I submit a close vote on a question, and that question is then significantly improved, I should retract my close vote (or possibly help reopen it if it did eventually get closed before improvements). But right now, I don't have a lot of visibility into when a question is edited. So could people get messages (akin to answers to our questions or comment replies) if someone edits a message we voted to close?
I think that this might help us away from the "close with prejudice" style moderation and a little more towards "prune and cultivate". Thoughts?
(Sorry if this has been brought up before. A quick search only found a question about retracting close votes before close votes could be retracted.)