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Disruption with some GitHub services

Degraded Lasted 8h 29m · started · GitHub's page

Level
confirmed
Worst impact
Degraded
Down Index
22of 100

What to do

  • Check whether your product depends on GitHub. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 8h 29m it lasted.

    Anything that failed between 2026-06-03 19:42 UTC and 2026-06-04 04:11 UTC may need a replay.
  • Subscribe to GitHub's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=github works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from GitHub 9

  1. investigating

    We are investigating reports of impacted performance for some GitHub services.

    provider

  2. investigating

    We're seeing delays in Dependabot scheduled version update runs. Our team is actively working on a fix and will share updates as the situation develops.

    provider

  3. investigating

    Customers may see delays of up to two days in Dependabot version updates. Dependabot Security updates are not delayed. The team is investigating mitigations for the backlog. Next update in 1 hour.

    provider

  4. investigating

    We are preparing a mitigation for the delayed Dependabot scheduled version updates. Next update in 2 hours.

    provider

  5. investigating

    We have applied mitigations and are continuing to see improvements in the Dependabot scheduled version updates. Next update in 12 hours.

    provider

  6. monitoring

    The degradation has been mitigated. We are monitoring to ensure stability.

    provider

  7. monitoring

    Job lag has recovered from a peak of 1.71 days to 9h 9m at 19:29 UTC and continues to decrease. Backlog is draining at a healthy rate with no signs of reversal. New jobs are processing on schedule. Remaining lag will continue to drain over the next few hours as queued work completes; this is expected post-incident catch-up, not active impact. We will continue monitoring and re-engage if lag trend reverses.

    provider

  8. monitoring

    Job lag has recovered to within normal operating thresholds. We are declaring this incident closed and will follow up with a summary soon.

    provider

  9. resolved

    Between June 1, 2026, 23:00 UTC and June 4, 2026 04:11 UTC, customers experienced delays in Dependabot scheduled version updates. Pull request creation for version updates was delayed, with delays increasing over time and reaching up to two days. Approximately 1.5 million repositories with active Dependabot version update configurations were affected. Dependabot security updates were not affected. The primary cause was changes to an internal platform service that routes requests for Dependabot and other services. We mitigated the incident by deploying a fix that enables batch enqueuing of update jobs, which significantly increased processing throughput. Once the backlog was drained, Dependabot returned to normal processing times. To reduce the risk of recurrence, we are working on tuning batch size and concurrency limits for Dependabot update job processing. We are also adding monitoring for job processing lag to enable earlier detection and faster mitigation of similar issues.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

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Questions about DWN-dc6af35a60

Is GitHub still down?

No, this incident was resolved 2026-06-04 04:11 UTC. For GitHub's live state, see https://down.guide/github.

How long did it last?

8h 29m, from 2026-06-03 19:42 UTC to 2026-06-04 04:11 UTC, by the times GitHub posted.

What caused it?

GitHub hasn't published a root cause. If it does, it shows here.

Where does this come from?

GitHub's official status page, https://www.githubstatus.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.