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GitLab: GitLab Duo is unavailable on VSC and Web UI

Affected components: GitLab Duo

Timeline of updates

1. investigating2026-02-03 13:11 UTC

   GitLab Duo is unavailable for all users in both the VSCode extension and the web interface. Attempting to use the agentic chat triggers an error: "GitLab Duo is already responding to this chat in another tab or location." See issue for details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/21192

2. investigating2026-02-03 13:31 UTC

   GitLab Duo is still unavailable for all users in both the VSCode extension and the web interface. We are currently investigating. See issue for details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/21192

3. identified2026-02-03 15:04 UTC

   The issue has been identified to have been caused by a recent change. The change has been reverted and we expect Duo should be available for VSC and Web UI. See issue for details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/21192

4. monitoring2026-02-03 15:36 UTC

   Duo availability is back to normal. We are currently monitoring. See issue for details: https://gitlab.com/gitlab-com/gl-infra/production/-/work_items/21192

5. resolved2026-02-03 17:52 UTC

   Duo is once again fully available from within the GitLab UI and Visual Studio Code.

Rewindex changes for this incident

• Major incident: GitLab Duo is unavailable on VSC and Web UI 2026-02-03 13:11 UTC

Impact, status and times are the vendor’s own, as last archived. View on status.gitlab.com (opens in new tab). GitLab profile · Recent GitLab incidents · Markdown · JSON