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Codecov Outage History

Every past Codecov outage tracked by IsDown, with detection times, duration, and resolution details.

There were 128 Codecov outages since November 2015. The 18 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor April 15, 2026

April 2026: Notifications might be delayed

Detected Apr 15, 2026 12:27 PM EDT · Resolved Apr 15, 2026 1:19 PM EDT · Duration about 1 hour

Codecov experienced a minor incident where notifications were delayed due to backend issues. The incident lasted 53 minutes and has been resolved. No additional details about the specific cause or resolution method were provided.

Major March 22, 2026

March 2026: Coverage notifications delayed

Detected Mar 22, 2026 10:07 AM EDT · Resolved Mar 23, 2026 3:05 AM EDT · Duration about 17 hours

Codecov experienced a major incident where coverage notifications were delayed for 17 hours. The service identified the root cause and implemented a fix after investigating the issue. The incident was resolved and returned to normal operation.

Minor March 20, 2026

March 2026: Coverage notifications delayed

Detected Mar 20, 2026 4:57 PM EDT · Resolved Mar 21, 2026 12:06 AM EDT · Duration about 7 hours

Codecov experienced a 7.2-hour incident where coverage notifications were delayed due to backend issues. The service disruption affected the timely delivery of code coverage notifications to users. The incident was resolved after investigation and system repairs.

Minor March 19, 2026

March 2026: Coverage notifications delayed

Detected Mar 19, 2026 3:22 PM EDT · Resolved Mar 20, 2026 3:33 PM EDT · Duration 1 day

Codecov experienced a backend issue that caused status and comment notifications to be significantly delayed for users. The incident affected the service's notification system for 24.2 hours before a fix was implemented and monitoring confirmed the resolution. The issue was classified as minor severity and has been fully resolved.

Major March 16, 2026

March 2026: Unable to login with Bitbucket

Detected Mar 16, 2026 7:46 AM EDT · Resolved Mar 17, 2026 12:10 PM EDT · Duration 1 day

Codecov experienced a major incident where users were unable to login using their Bitbucket accounts due to an OAuth connection issue. The problem affected the frontend components and prevented Bitbucket users from accessing the service for 28.4 hours. The issue was resolved after implementing a fix and monitoring the results.

Minor March 10, 2026

March 2026: Upload Processing Queue Slowdown

Detected Mar 10, 2026 5:44 PM EDT · Resolved Mar 10, 2026 10:46 PM EDT · Duration about 5 hours

Codecov experienced a slowdown in upload processing that affected the backend system for 5 hours. The issue had been occurring intermittently over several days before being formally reported. The incident was resolved after investigation and remediation efforts.

Major February 26, 2026

February 2026: Upload Processing Queue Slowdown

Detected Feb 26, 2026 4:20 PM EST · Resolved Feb 27, 2026 3:00 AM EST · Duration about 11 hours

Codecov experienced a major incident where their upload processing queue experienced significant slowdowns, affecting the backend systems for 10.7 hours. The issue impacted users' ability to process code coverage uploads in a timely manner. The problem was identified and resolved through a deployed fix, with the service returning to normal operations after monitoring confirmed the solution's effectiveness.