Changes / LaunchDarkly / High volume of error alerts related to flag delivery network.

LaunchDarkly: Major incident: High volume of error alerts related to flag delivery network.

Summary

LaunchDarkly reported a major outage affecting login and UI/API responsiveness, starting 2026-07-06 20:30 UTC and lasting 51 min until resolution at 2026-07-06 21:21 UTC. The vendor identified a root cause relating to flag delivery, rolled out a fix, and confirmed all error rates had normalized.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 100%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: High volume of error alerts related to flag delivery network.
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-07-06 20:30 UTC
AddedResolved time#5
Before: not present
After: 2026-07-06 21:21 UTC
AddedAffected components#6
Before: not present
After: Authentication, Feature management (core functionality) - Feature workflows, Feature management (core functionality) - Flag targeting, Flag Delivery Network (core functionality) - Server-side streaming API, Global (core functionality) - Authentication, Global (core functionality) - Web app (app.launchdarkly.com), Server-side streaming API, Web app (app.launchdarkly.com)
AddedUpdateinvestigating#7
Before: not present
After: At 13:21 Pacific Time, we experienced a high volume of error alerts affecting users' ability to interact with the LaunchDarkly application including logging in and UI / API responsiveness. We quickly identified the root cause relating to flag delivery. We are expecting errors decreasing now.
AddedUpdateinvestigating#8
Before: not present
After: We are continuing to investigate this issue.
AddedUpdatemonitoring#9
Before: not present
After: We have rolled out a fix and error rates are returning to normal
AddedUpdateresolved#10
Before: not present
After: All error rates have normalized.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Major incident: High volume of error alerts related to flag delivery network. (this change)
LaunchDarkly reported a major outage affecting login and UI/API responsiveness, starting 2026-07-06 20:30 UTC and lasting 51 min until resolution at 2026-07-06 21:21 UTC. The vendor identified a root cause relating to flag delivery, rolled out a fix, and confirmed all error rates had normalized.
Major incident

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