Outage in LaunchDarkly

Investigating - Increase in SDK errors

Resolved Minor
December 15, 2025 - Started about 1 month ago - Lasted about 2 hours
Official incident page

Incident Report

We are investigating an increase in SDK error rates affecting a small portion of requests, currently estimated at less than one percent. SDKs will automatically retry these errors, so the primary customer impact is expected to be longer SDK initialization times rather than request failures. We believe the issue is related to an ongoing incident affecting one of our vendors. Our team is actively working to mitigate the impact and will provide additional updates as more information becomes available.
Components affected
LaunchDarkly Streaming API LaunchDarkly Mobile Streaming API LaunchDarkly Web interface LaunchDarkly Feature flag CDN

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 12/15/2025 04:38PM

This incident has been resolved.

MONITORING about 1 month ago - at 12/15/2025 04:20PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 1 month ago - at 12/15/2025 03:43PM

We are observing a reduction in SDK errors. We are continuing to work on a fix.

IDENTIFIED about 1 month ago - at 12/15/2025 03:31PM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 1 month ago - at 12/15/2025 03:22PM

We are continuing to investigate this issue.

INVESTIGATING about 1 month ago - at 12/15/2025 03:03PM

We are also observing a small percentage timeouts when modifying feature flags via our API or UI. We are continuing to investigate this error.

INVESTIGATING about 1 month ago - at 12/15/2025 02:42PM

We are continuing to investigate this issue.

INVESTIGATING about 1 month ago - at 12/15/2025 02:14PM

We are investigating an increase in SDK error rates affecting a small portion of requests, currently estimated at less than one percent. SDKs will automatically retry these errors, so the primary customer impact is expected to be longer SDK initialization times rather than request failures. We believe the issue is related to an ongoing incident affecting one of our vendors. Our team is actively working to mitigate the impact and will provide additional updates as more information becomes available.

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