Curious how something such as this is actually implemented. Is there a feed that you are subscribing to? Are you consistently polling posts looking for changes? Or is it some third option?
I thought it had been submitted more often but I guess it has mostly been mentioned in comments: https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...
I’m not sure how you’d disambiguate merges that way, as they have the same symptom, but the process isn’t invisible.