Vercel change history

Vercel reported a major incident affecting builds and deployments from 2026-10-12 13:35 UTC to 2026-10-12 20:11 UTC, lasting 6 h 36 min. An upstream GitHub incident caused some GitHub-connected projects’ builds and deployments to fail; deployment-status updates on pull requests were also delayed. The event backlog was processed, and the incident was resolved.

Vercel reported a major degradation in Washington (iad1), delaying Drains delivery, logs, metrics, and traces, and leaving Workflow runs pending. It started at 2026-10-10 00:15 UTC and resolved at 2026-10-10 01:37 UTC, lasting 1 h 21 min. A fix restored delivery; delayed data and Build logs were processed, and all services recovered.

Vercel Auth logins failed for pages with Deployment Protection enabled in a major-impact incident affecting Routing Middleware. It started at 2026-10-06 16:10 UTC and was resolved at 2026-10-06 16:26 UTC, lasting 15 min; Vercel reported implementing a fix.

Vercel reported a major incident causing elevated errors triggering deployments in Build & Deploy - Builds, Builds, starting at 2026-09-18 20:32 UTC and resolved at 2026-09-18 21:22 UTC; the computed duration was 49 min. A fix was implemented; existing deployments and traffic were unaffected, and no customer action was required.

Vercel reported a major incident causing increased errors for some Connect and Passport customers from 2026-09-10 17:42 UTC to 2026-09-10 19:16 UTC, lasting 1 h 33 min. Vercel identified the issue, implemented a fix, and reported full recovery; no cause was stated.

Vercel reported a major incident causing some deployments using IAD1 Function regions or Routing Middleware to fail. It started at 2026-09-01 19:59 UTC and lasted 59 min, resolving at 2026-09-01 20:58 UTC after a fix was deployed and Builds recovered.

Vercel reported a major incident causing login errors with Vercel CLI (`vc login`), preventing affected customers from signing in. It started at 2026-08-26 03:06 UTC and was resolved at 2026-08-26 04:28 UTC, lasting 1 h 22 min. The team reported identifying the source and testing a fix but did not specify the cause.

Vercel reported a major Functions outage: newly deployed container functions could return 5XX errors from 2026-08-20 17:46 UTC until resolution at 2026-08-20 18:34 UTC (47 min). Customers could temporarily use a previously working deployment; Vercel reported deploying a fix at 18:23 UTC, restoring newly deployed container functions.

Vercel reported a major outage preventing runtime log queries in the Dashboard from 2026-08-20 11:14 UTC to 2026-08-20 11:25 UTC, lasting 11 min. Log ingestion and build-log queries were unaffected; Vercel implemented a fix and confirmed full recovery.

Vercel reported major telemetry delivery loss for Drains, recorded as starting and resolving at 2026-07-23 19:00 UTC (computed duration: 0 min). Its update identifies the affected window as 19:12–19:18 UTC: traces and events are unrecoverable, while logs remain accessible and exportable in the Logs UI dashboard. A fix was deployed; additional monitoring is being added.

Vercel reported a major incident causing Dashboard chart and observability-data loading timeouts for Firewall, Observability, Sandboxes, Speed Insights, Web Analytics, and Workflows. It lasted 45 min, from 2026-07-23 07:33 UTC to 2026-07-23 08:18 UTC. Vercel identified the source and implemented a fix, with recovery reported at 07-23 07:55 UTC.

Vercel reported a critical dashboard authentication incident that made the dashboard inaccessible for some users starting at 2026-07-23 06:47 UTC. A fix was implemented by 2026-07-23 07:08 UTC, and the incident was resolved at 2026-07-23 07:41 UTC after 54 min.

Vercel reported a major SAML Single Sign-On outage preventing SAML/SSO login and access to SSO-protected teams through the dashboard and CLI. It started at 2026-07-16 08:39 UTC and resolved at 2026-07-16 10:45 UTC, lasting 2 h 5 min. Vercel identified the root cause and implemented a fix but did not specify either.

Vercel reported a major Dashboard incident causing intermittent login errors for some users, stating it began at 11:30 AM UTC; the recorded start was 2026-06-26 13:08 UTC. A fix was implemented, and the incident was resolved at 2026-06-26 15:14 UTC, with a recorded duration of 2 h 5 min.

Vercel reported a major Workflow degradation: some recently deployed projects had runs stuck as pending and queued messages were not delivered. The incident lasted 5 h 58 min, from 2026-06-25 07:45 UTC to 2026-06-25 13:43 UTC. A fix was fully rolled out; the interim workaround was rollback to a working deployment created before Jun 24 21:00 UTC.

Vercel reported major elevated latency and errors affecting FRA1 (Frankfurt, Germany), including its CDN. The incident lasted 4 h 20 min, from 2026-06-14 21:03 UTC to 2026-06-15 01:24 UTC. Vercel mitigated impact by rerouting traffic to CDG1, then reported the issue fixed and all traffic restored to FRA1.

Vercel reported a major incident causing elevated build errors for Secure Compute/Static IPs projects, affecting Builds and Secure Compute - Builds. It started at 2026-06-09 14:09 UTC and was resolved at 2026-06-09 14:46 UTC, lasting 36 min. Vercel implemented a fix but did not state a cause.