 "So This Is Goodbye" was released to positive reviews from music critics, holding a score of 79 out of 100 on the review aggregator website Metacritic, indicating "generally favorable reviews".Noel Murray of "The A.V.Club" wrote that Junior Boys "hold to a style that's danceable but purposefully dry", adding that their "emphasis on the aloof and mechanical doesn't diminish their feeling for how humans relate to technology".