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LaunchDarkly: Experiment Data Missing for Some Experiment Iterations

Affected components: Experimentation (non-core functionality) - Past experiment iterationsPast experiment iterations

Timeline of updates

1. investigating2026-03-18 02:07 UTC

   We are aware of an issue affecting experiment reporting data for a subset of accounts. Affected users may see incomplete data for some experiment iterations in the UI.

2. identified2026-03-18 02:08 UTC

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

3. identified2026-03-18 04:17 UTC

   We have implemented a mitigation that restores data availability for all current experiment iterations. Affected accounts should now see up-to-date reporting and exposure data in the UI. Our team continues to work on restoring data for previously affected experiment iterations. We will provide a further update once full historical data recovery is complete.

4. identified2026-03-18 22:37 UTC

   Our team continues to work on restoring data for previously affected experiment iterations. We will provide a further update once full historical data recovery is complete.

5. identified2026-03-19 04:52 UTC

   Our team continues to work on restoring data for previously affected experiment iterations. Complete data restoration expected by tomorrow.

6. resolved2026-03-20 00:29 UTC

   Our team completed the data restoration for previously affected experiment iterations. Complete data is now available for all experiment iterations in the UI.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). LaunchDarkly profile · Recent LaunchDarkly incidents · Markdown · JSON