Monitoring - We've released a fix to prevent this issue in new experiments and iterations. We're working to resolve this issue for experiment data recently processed.
Apr 29, 2026 - 17:04 PDT
Identified - We've identified the issue and are implementing a fix for this behavior.
Apr 29, 2026 - 13:49 PDT
Investigating - We are aware of an issue affecting some customers that may result in sample ratio mismatches (SRMs) or empty experiment results if flag variations are edited between experiment iterations.
Apr 29, 2026 - 13:19 PDT
Flag Delivery Network (core functionality)
Operational
As part of our commitment to reliability and security, LaunchDarkly will retire all API versions except 20240415 on December 31, 2026.
After this date, all requests made to retired versions will stop working. To avoid disruption, customers must update integrations and workflows to use version 20240415 before the retirement date.
We previously announced the end of life (EOL) for older versions as of April 30, 2025. They have remained available during a grace period, which will end on December 31, 2026
Upgrading now ensures uninterrupted access and provides immediate improvements in performance and functionality.
We recognize this may be a large undertaking, which is why we are providing extended notice. If you need guidance, please reach out to your account team or contact our support team. Posted on
Aug 25, 2025 - 11:43 PDT
Resolved -
We've identified an infrastructure issue that caused some 503 responses in feature flagging streaming client initialization on the US LaunchDarkly instance between 16:45 and 17:05 PT. SDKs should automatically retry initialization in most cases.
Apr 29, 16:45 PDT
Resolved -
Observability alerts are functioning and delayed alerts have been redelivered.
Apr 28, 12:25 PDT
Monitoring -
A fix has been deployed for Observability alerting and we are working to redeliver delayed notifications.
Apr 28, 12:10 PDT
Identified -
We've identified the root cause delaying Observability alert notifications and are deploying a fix. All other notification types are operational.
Apr 28, 11:38 PDT
Investigating -
We are currently investigating an issue prevent Observability alert notifications from being delivered.
Apr 28, 11:34 PDT
Resolved -
We've fully caught up on the metrics data backlog.
Apr 27, 10:37 PDT
Monitoring -
We're catching up on backlogged metric data in EU and are monitoring progress. No metric data has been lost.
Apr 27, 09:43 PDT
Identified -
We've identified that metrics ingest was delayed between 11:11 - 11:27am ET. No metric data has been lost. We're working on catching up on the delayed data.
Apr 27, 08:45 PDT
Investigating -
We are investigating an issue causing under-reporting of customer metrics in the EU region.
Apr 27, 08:39 PDT
Resolved -
We've addressed an issue that prevented warehouse data export from 12pm to 6pm PT on April 23. All missing data has been retroactively pushed to customer warehouses.
Apr 23, 12:00 PDT
Resolved -
The issue has been resolved.
Apr 20, 16:44 PDT
Identified -
The issue has been identified and a fix is being implemented.
Apr 20, 15:01 PDT
Investigating -
We are currently investigating an issue where observability alerts are not delivering for Slack notifications to all channels. DM alerts are still functional.
Apr 20, 14:27 PDT