Duolingo experienced a critical incident on September 1, 2025 affecting Duolingo, lasting 40m. The incident has been resolved; the full update timeline is below.
Affected components
Duolingo
Update timeline
- investigating Sep 01, 2025, 01:32 AM UTC
We are currently investigating this incident.
- resolved Sep 01, 2025, 02:12 AM UTC
This incident has been resolved.