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Duolingo outage on 21 October 2026

Critical
Resolved · 15:54–00:30 UTC
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“Duolingo is experiencing increased errors”

Duolingo's status page reported a critical outage on 21 October 2026: “Duolingo is experiencing increased errors”. It lasted 8 h 36 min, from 15:54 to 00:30 UTC.

Duolingo’s own incident page ↗
When
15:54–00:30 UTC
How long
8 h 36 min
Incident open on its page
14:57–17:23 UTC
Components affected
1
Duolingo, 30 days before
No other outages

What broke when

Major outage
Partial outage
Degraded
Duolingo
UTC 16:0018:0020:0022:0000:00

From Duolingo’s own status page: when it moved each component into trouble, and back.

At the same time

Started in the hour before or during it

UTC 16:0018:0020:0022:0000:00

And 616 lesser-known services. Problems at the same time are a clue, never proof that one caused another.

Timeline

Times in UTC

  1. Investigating
  2. Duolingo: major outage
  3. Duolingo: back to normal
  4. Resolved

Where this comes from

Stackpulse reads Duolingo’s official status page at status.duolingo.com every minute. The times above are when it reported the problem; the summary is written from its updates and checked against them.

Stackpulse isn’t affiliated with Duolingo. Names and logos belong to their owners.