Duolingo experienced a critical incident on October 9, 2025 affecting Duolingo, lasting 18m. The incident has been resolved; the full update timeline is below.
Affected components
Duolingo
Update timeline
- investigating Oct 09, 2025, 01:44 PM UTC
We are currently investigating this incident.
- resolved Oct 09, 2025, 02:03 PM UTC
This incident has been resolved.