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GitHub Actions

Disruption with some GitHub services

Degraded Lasted 3h 10m · started · GitHub Actions's page

Level
confirmed
Worst impact
Degraded
Components
Actions
Down Index
40of 100

What to do

  • Check whether you use GitHub Actions Actions. 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 3h 10m it lasted.

    Anything that failed between 2026-04-28 13:59 UTC and 2026-04-28 17:09 UTC may need a replay.
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    https://down.guide/feed?provider=github-actions works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from GitHub Actions 9

  1. investigating

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

    provider

  2. monitoring

    Actions is experiencing capacity constraints with hosted ubuntu-latest and ubuntu-24.02, leading to high wait times. Other hosted labels and self-hosted runners are not impacted.

    provider

  3. investigating

    Actions is experiencing degraded performance. We are continuing to investigate.

    provider

  4. investigating

    We're still investigating the root cause for run start delays and failures for Actions hosted Ubuntu jobs, around 5% of jobs are impacted as of now.

    provider

  5. investigating

    We've applied a mitigation to unblock running Actions. We're continuing to monitor.

    provider

  6. investigating

    Currently less than 2% of hosted ubuntu-latest and ubuntu-24.04 runs are delayed or failing. We are continuing to monitor for full recovery.

    provider

  7. investigating

    Less than 1% of hosted ubuntu-latest runs are delayed. We’re working through remaining steps to restore runner capacity.

    provider

  8. monitoring

    Actions is operating normally.

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  9. resolved

    On April 28, 2026, from approximately 12:41 UTC to 17:09 UTC, GitHub Actions jobs using Standard Ubuntu 22 and Ubuntu 24 hosted runners experienced run start delays. Approximately 8% of hosted runner jobs using Ubuntu 22 and Ubuntu 24 experienced delays greater than 5 minutes or failures. Larger and self-hosted runners were not impacted. This was caused by a performance regression introduced in the VM reimage process. That reimage delay lowered the overall capacity of runners available to pick up new jobs. This was mitigated with a rollback to a known good image version. We are addressing the core issue with reimage performance and improving the granularity of reimage telemetry across our services and our compute provider to more quickly diagnose similar issues in the future. Finally, we are evaluating other rollout changes to automatically detect similar regressions.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

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Questions about DWN-1e3cd57c31

Is GitHub Actions still down?

No, this incident was resolved 2026-04-28 17:09 UTC. For GitHub Actions's live state, see https://down.guide/github-actions.

How long did it last?

3h 10m, from 2026-04-28 13:59 UTC to 2026-04-28 17:09 UTC, by the times GitHub Actions posted.

What was affected?

GitHub Actions named Actions.

What caused it?

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

Where does this come from?

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