LaunchDarkly outage: Server-side streaming rejected new connections across all commercial regions

1. resolvedMar 19, 2026, 16:58 UTC

   Server-side streaming began rejecting new connections across all commercial regions, causing 500/503 errors for customers attempting to establish new SDK streaming connections for a brief period of time. Detailed timelines of the incident: - us-east-1 : 7:53 AM PST to 8:24 AM PST - ap-southeast-1: 7:53 AM PST to 7:55 AM PST - eu-west-1: 7:53 AM PST to 8:35 AM PST The team was quickly able to deploy the mitigation before an incident could be declared in our status pages, this is why we're posting it, retroactively. By 8:35am PST connections were re-established successfully in all commercial regions.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in LaunchDarkly's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does LaunchDarkly have incidents?

LaunchDarkly reported 15 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 1h 19m. See LaunchDarkly's uptime and incident history