But in this case Slack was not down. Parts of the service were frustratingly lagging, like uploading a picture or using reactions. Circle CI does have this sort

But in this case Slack was not down. Parts of the service were frustratingly lagging, like uploading a picture or using reactions. Circle CI does have this sort of warning on their sidebar. There's so many parts to a big software product that it would definitely useful to know if some part of it was having issues.