# GitLab: Degraded performance for classic Duo chat

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-01-08 03:15 UTC · Resolved: 2026-01-08 05:50 UTC · Duration: 2.6 h
- Updates: 5 · Affected components: GitLab Duo
- [Vendor status page: https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/695f216a29fa7c05b78cbb31](https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/695f216a29fa7c05b78cbb31)
- [Company: GitLab](https://rewindex.com/company/gitlab.md)

## Timeline of updates

- **investigating** 2026-01-08 03:15 UTC: We are investigating degraded performance with classic Duo chat. Requests may fail intermittently at this time. For further details, see https://gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21059
- **identified** 2026-01-08 03:51 UTC: The cause of degraded performance has been identified. We are preparing a code change to revert the recent deployment that introduced the issue. A merge request has been opened to restore functionality: https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/merge\_requests/4226 For further details, see gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21059
- **identified** 2026-01-08 04:22 UTC: We're deploying the revert change to production. For further details, see gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21059
- **monitoring** 2026-01-08 04:55 UTC: We have deployed the changes to production. We're monitoring the situation. For further details, see gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21059
- **resolved** 2026-01-08 05:50 UTC: We observe no more error on Classic Duo chat and confirm successful responses in the UI. For further details, see gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21059


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Canonical: https://rewindex.com/company/gitlab/incidents/695f216a29fa7c05b78cbb31 · Markdown: https://rewindex.com/company/gitlab/incidents/695f216a29fa7c05b78cbb31.md · JSON: https://rewindex.com/api/v1/companies/gitlab/incidents/695f216a29fa7c05b78cbb31 · Generated 2026-10-18T11:26:06.401Z