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100%of 57 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
100%
30
0
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 22Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
No source-attested incident records are available for the current collector history. Older legacy archive records remain available below.
Legacy Incident Archive
10 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
July 2026
Duolingo is experiencing increased errors
criticalSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this incident.
Duolingo is experiencing increased errors
criticalSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this incident.
Duolingo is experiencing increased errors
criticalSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this incident.
June 2026
Duolingo Android app issues
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
We have identified the issue and are implement a fix.
identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are investigating reports of issues with the Duolingo Android app
May 2026
Issues with Video Call and Roleplay
Source not attested
Last archived state: resolved
View archived record details
investigating
We are investigating errors with video call and role play.
Issues with Video Call and Roleplay
Source not attested
Last archived state: resolved
View archived record details
investigating
We are investigating errors with Video Call and Roleplay.
Duolingo is experiencing increased errors
criticalSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this incident.
Duolingo is experiencing increased errors
criticalSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating this incident.
April 2026
Issues with Video Call with Lily
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are currently investigating an issue starting video calls with Lily.
Issues starting Video Call with Lily
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are investigating issues with learners being able to start video calls with Lily.
