Duolingo experienced a critical incident on September 18, 2025 affecting Duolingo, lasting 1h 39m. The incident has been resolved; the full update timeline is below.
Affected components
Duolingo
Update timeline
- investigating Sep 18, 2025, 08:23 PM UTC
We are currently investigating this incident.
- resolved Sep 18, 2025, 10:03 PM UTC
This incident has been resolved.