Changes / LaunchDarkly / Server-side streaming rejected new connections across all commercial regions
LaunchDarkly: Major incident: Server-side streaming rejected new connections across all commercial regions
Summary
LaunchDarkly reported a major incident affecting new server-side SDK streaming connections across all commercial regions, causing 500/503 errors. Start and resolution were both recorded as 2026-03-19 16:58 UTC, with a computed duration of 0 min. The vendor reported deploying mitigation.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Server-side streaming rejected new connections across all commercial regions
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-03-19 16:58 UTC
Before: not present
After: 2026-03-19 16:58 UTC
Before: not present
After: 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.
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Server-side streaming rejected new connections across all commercial regions (this change) LaunchDarkly reported a major incident affecting new server-side SDK streaming connections across all commercial regions, causing 500/503 errors. Start and resolution were both recorded as 2026-03-19 16:58 UTC, with a computed duration of 0 min. The vendor reported deploying mitigation. | Major incident |
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