GitLab Duo Workflow Issues

Update timeline

1. identified Oct 12, 2026, 11:30 AM UTC

   We’re investigating an issue affecting some GitLab Duo Workflow operations. Duo Code Review results may be incomplete or lower quality than expected. Our engineering teams are working on mitigation and will provide further updates. More details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/23158 Back to current status Status History Subscribe to receive status updates by email Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates by webhook Each status update will POST a JSON payload to this URL Email address for managing webhook Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates in Microsoft Teams Enter your Microsoft Teams webhook. View Instructions Email address for managing subscription Close Subscribe Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via RSS RSS Feed Close Follow our status updates on Twitter/X @gitlabstatus Close Subscribe to receive status updates in Slack Slack channel ID Find the channel ID: Select the channel in your Slack workspace. The channel ID is displayed in the browser URL. Example: https://app.slack.com/client/T04SJBK1C/ C03SKGJ1P Email address Close Manage Subscription Manage Existing Subscription Create New Subscription Subscribe to receive status updates via iCalendar iCalendar Feed Close

2. identified Oct 12, 2026, 11:30 AM UTC

   We’re investigating an issue affecting some GitLab Duo Workflow operations. Duo Code Review results may be incomplete or lower quality than expected. Our engineering teams are working on mitigation and will provide further updates. More details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/23158

3. identified Oct 12, 2026, 01:37 PM UTC

   We've identified the cause of the issue affecting GitLab Duo Workflow operations. Duo Code Review remains available, but reviews may contain less context than expected. Our engineering teams are expediting a fix and will continue monitoring until service is fully restored. For more details: gitlab.com/gitlab-com/gl-infra/production/-/work_items/23158

4. identified Oct 12, 2026, 01:37 PM UTC

   We've identified the cause of the issue affecting GitLab Duo Workflow operations. Duo Code Review remains available, but reviews may contain less context than expected. Our engineering teams are expediting a fix and will continue monitoring until service is fully restored. For more details: gitlab.com/gitlab-com/gl-infra/production/-/work_items/23158

5. monitoring Oct 13, 2026, 12:28 AM UTC

   Errors affecting Code Review tools have decreased, and the tools appear to be operating normally. We’re monitoring error rates and investigating the improvement. A fix is merged but not yet in production, so recovery is still being validated.

6. monitoring Oct 13, 2026, 12:28 AM UTC

   Errors affecting Code Review tools have decreased, and the tools appear to be operating normally. We’re monitoring error rates and investigating the improvement. A fix is merged but not yet in production, so recovery is still being validated.

7. monitoring Oct 13, 2026, 12:29 AM UTC

   Errors affecting Code Review tools have decreased, and the tools appear to be operating normally. We’re monitoring error rates and investigating the improvement. A fix is merged but not yet in production, so recovery is still being validated.

8. monitoring Oct 13, 2026, 12:29 AM UTC

   Errors affecting Code Review tools have decreased, and the tools appear to be operating normally. We’re monitoring error rates and investigating the improvement. A fix is merged but not yet in production, so recovery is still being validated.

9. identified Oct 13, 2026, 02:11 AM UTC

   Monitoring shows failures are still occurring in a tool used by Duo Code Review. The service remains available, but reviews may contain less context than expected. A fix is merged and awaiting deployment; we’ll update once recovery is confirmed.

10. identified Oct 13, 2026, 02:11 AM UTC

    Monitoring shows failures are still occurring in a tool used by Duo Code Review. The service remains available, but reviews may contain less context than expected. A fix is merged and awaiting deployment; we’ll update once recovery is confirmed.

11. resolved Oct 14, 2026, 01:16 AM UTC

    The fix was deployed and continued monitoring has shown that the identified tool failure has been addressed. This issue is now resolved. Details in https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/23158