Disruption with some GitHub services

Summary

Disruption with some GitHub services

This incident was used to notify for a maintenance event. There is no specific root cause analysis. Work progressed as planned without any issues to report.

• Started

  Jun 27, 2026 · 2:02 PM

• Resolved

  Jun 27, 2026 · 8:33 PM

• Duration

  6h 30m

• Severity

  Minor

• ◐

  Investigating

  Jun 27 · 2:02 PM GitHub

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

• ◐

  Investigating

  Jun 27 · 2:02 PM GitHub

  We are conducting routine maintenance on our network infrastructure in the EU. This will not impact production traffic, but may result in slightly increased latency for the remainder of our work. We expect this to last until 19:00 UTC.

• ◉

  Monitoring

  Jun 27 · 2:04 PM GitHub

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

• ◉

  Monitoring

  Jun 27 · 6:22 PM GitHub

  This is progressing as expected, but we're going to extend the maintenance window by a couple of hours. Our new expected completion time is 21:00 UTC.

• ◉

  Monitoring

  Jun 27 · 8:19 PM GitHub

  Maintenance has completed and we've begun normalizing traffic in EU. We will monitor for a while longer before confirming resolution.

• ✓

  Resolved

  Jun 27 · 8:33 PM GitHub

  This incident was used to notify for a maintenance event. There is no specific root cause analysis. Work progressed as planned without any issues to report.