Changes / LaunchDarkly / Investigating Issues with LaunchDarkly Application and Authentication
LaunchDarkly: Major incident: Investigating Issues with LaunchDarkly Application and Authentication
Summary
LaunchDarkly reported a major outage affecting some customers’ web app access and authentication from 2026-02-26 15:43 UTC to 2026-02-26 17:06 UTC (1 h 22 min). Some customers also saw low flag-evaluation error counts, but the Flag Delivery Network was generally functional. A fix was implemented, and performance remained stable following mitigation.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: Investigating Issues with LaunchDarkly Application and Authentication
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After: major
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After: resolved
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After: 2026-02-26 15:43 UTC
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After: 2026-02-26 17:06 UTC
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After: Authentication, Global (core functionality) - Authentication, Global (core functionality) - Web app (app.launchdarkly.com), Web app (app.launchdarkly.com)
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After: Some customers are experiencing issues with accessing the web app and authentication. We are investigating and will provide updates as they become available.
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After: Some customers are experiencing issues with accessing the web app and authentication. Some customers may see a low number of errors with flag evaluation, as well, but generally our Flag Delivery Network is functional. We have identified the issue and are continuing our work to resolve it.
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After: The issue with our application and authentication has been identified and a fix has been implemented. We are continuing to monitor the performance of impacted services. We will continue to update this page until it is resolved.
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After: The issue with our application and authentication has been resolved. Performance has remained stable following mitigation.
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After: The issue with our application and authentication has been resolved. Performance has remained stable following mitigation.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Investigating Issues with LaunchDarkly Application and Authentication (this change) LaunchDarkly reported a major outage affecting some customers’ web app access and authentication from 2026-02-26 15:43 UTC to 2026-02-26 17:06 UTC (1 h 22 min). Some customers also saw low flag-evaluation error counts, but the Flag Delivery Network was generally functional. A fix was implemented, and performance remained stable following mitigation. | Major incident |
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