GitBook incident
Documentation sites with a custom domain returned a 404 error
Affected components
HomepagePublic ContentGitBook App
Update timeline
- resolved Mar 06, 2026, 02:36 PM UTC
Status: Resolved Between 14:36 and 14:43 UTC, all GitBook documentation sites using a custom domain were returning a 404 "Not Found" error, making documentation unavailable to users. The issue was caused by a problem introduced by an upstream provider that affected our deployment. The incident was resolved by rolling back the deployment, after which all sites were confirmed to be fully operational. Affected components Public Content (Operational) Homepage (Operational) GitBook App (Operational)
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