Duolingo is reintroducing a popular feature that allows users to recover lost streaks, a benefit accessible to those who have maintained a streak of at least 30 days. Starting Monday, June 1, eligible users can revive their streak by completing three lessons consecutively within the Duolingo mobile app. This streak recovery option will be available for a limited time, concluding on June 30. This highly requested feature coincides with Duolingo's 15th anniversary and aims to re-engage learners who may have accidentally broken their learning momentum. The update also includes expanded CEFR content, new interactive experiences like Speaking Adventures, vocabulary flashcards, an "Explain my Answer" feature, and the introduction of chess and math courses.