Duolingo experienced a critical incident on December 21, 2025 affecting Duolingo, lasting 33m. The incident has been resolved; the full update timeline is below.
Affected components
Duolingo
Update timeline
- investigating Dec 21, 2025, 02:24 PM UTC
We are currently investigating this incident.
- resolved Dec 21, 2025, 02:58 PM UTC
This incident has been resolved.