Changes / GitLab / Issues with GitLab Duo in merge requests
GitLab: Critical incident: Issues with GitLab Duo in merge requests
Summary
Summary pending. The diff below shows exactly what changed.
Incident page: full timeline of updates →
What changed
Before: not present
After: Issues with GitLab Duo in merge requests
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After: critical
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After: resolved
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After: 2026-05-29 12:50 UTC
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After: 2026-05-29 23:41 UTC
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After: GitLab Duo
Before: not present
After: We're investigating an issue where customers using `@GitLabDuo` mentions in merge requests are receiving access errors. Impact has been reported across GitLab.com, Dedicated, and Self-Managed. Our team is actively investigating. We'll share another update as soon as we have more information.
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After: We've identified a likely root cause for the `@GitLabDuo` access errors in merge requests and are preparing a revert MR. We'll share another update once it's deployed.
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After: A fix has been deployed via a revert MR. We're moving the incident to Monitoring and will share another update once we can confirm it's fully resolved.
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After: We are still monitoring the deployed fix. We will share another update once we can confirm it's fully resolved. More info: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/22228
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After: After monitoring, our team is still seeing some failures which is prompting additional investigation. While there has been a drop in errors, some users continue to experience issues.
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After: No material updates at this time. Our team is still seeing some failures which prompted additional investigation. While there has been a drop in errors, some users continue to experience issues.
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After: A fix has now been deployed that should remediate the errors. We will continue to monitor, and as long as error rates remain low, we will resolve the incident.
Before: not present
After: We're no longer seeing errors related to this in the logs, so we are resolving this incident. If you're still experiencing errors when using `@GitLabDuo` mentions in merge requests, please contact support. https://support.gitlab.com
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: Issues with GitLab Duo in merge requests (this change) | Major incident |