GitHub Enterprise Cloud EU incident

Incident with Issues web experience

Minor Resolved View vendor source →

GitHub Enterprise Cloud EU experienced a minor incident on July 20, 2026 affecting prod-weu-01 - Issues (Issues), lasting 9h 34m. The incident has been resolved; the full update timeline is below.

Started
Jul 20, 2026, 03:28 PM UTC
Resolved
Jul 21, 2026, 01:02 AM UTC
Duration
9h 34m
Detected by Pingoru
Jul 20, 2026, 03:28 PM UTC

Affected components

prod-weu-01 - Issues (Issues)

Update timeline

  1. investigating Jul 20, 2026, 03:28 PM UTC

    We are investigating reports of degraded performance for Issues

  2. investigating Jul 20, 2026, 03:30 PM UTC

    We are investigating problems with the Issues GraphQL API that is impacting the web experience. There are ~184 customers impacted.

  3. investigating Jul 20, 2026, 03:57 PM UTC

    We are still investigating root cause. 440 users impacted with ~1.5% of total traffic failures.

  4. investigating Jul 20, 2026, 04:48 PM UTC

    We continue to investigate errors affecting the Issues web experience. Approximately 440 users are experiencing intermittent timeouts when loading Issues. Our engineering teams are actively investigating the root cause, which has not yet been confirmed.

  5. investigating Jul 20, 2026, 05:27 PM UTC

    We have made progress in our investigation into intermittent timeouts affecting the Issues web experience. Approximately 50 users continue to be impacted. Our engineering teams have narrowed the root cause to a resource contention issue and are working on a fix.

  6. investigating Jul 20, 2026, 06:12 PM UTC

    Approximately 50 users remain impacted, down from earlier peaks. Our engineering team is working on a fix to resolve the problem.

  7. investigating Jul 20, 2026, 07:05 PM UTC

    We continue to work on resolving intermittent timeouts affecting the Issues web experience. Approximately 50 users remain impacted.

  8. investigating Jul 20, 2026, 07:40 PM UTC

    We continue to work on resolving intermittent timeouts affecting the Issues web experience. Approximately 100 users remain impacted.

  9. investigating Jul 20, 2026, 08:18 PM UTC

    We continue to work on resolving intermittent timeouts affecting the Issues web experience. Approximately 90 users remain impacted.

  10. investigating Jul 20, 2026, 09:06 PM UTC

    We continue to work on resolving intermittent timeouts affecting the Issues web experience. Approximately 80 users remain impacted.

  11. investigating Jul 21, 2026, 12:09 AM UTC

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

  12. investigating Jul 21, 2026, 12:11 AM UTC

    We have identified the root cause of intermittent timeouts affecting the Issues web experience and have applied a mitigation. A configuration change was causing excessive database connection usage, which has now been disabled. We are monitoring for full recovery.

  13. resolved Jul 21, 2026, 01:02 AM UTC

    This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.