When it was suggested that the concept of self-regulation should replace the language learning strategy concept early in the new millennium, there were fears that strategy research had come to an end. Nevertheless, research, debate, and publication on the subject have continued. Although some issues remain (especially regarding definition, underpinning theory, classification, and research methodology), current opinion tends to suggest that language learning strategies remain vibrant and compatible with self-regulation. This article discusses the controversies and concludes by arguing for the need to acknowledge diversity and to engage in productive debate.