503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

GitHub outage — July 29, 2026

Incident with Actions

GitHub’s Actions was disrupted for 4h 45m on July 29, 2026. 503Radar’s sensors raised the first signal at 11:03 UTC, 4h 24m before the official status page acknowledged impact.

Key facts

DetectedJuly 29, 2026 · 11:03 UTC
Confirmed15:28 UTC · lead time 4h 24m
Resolved15:49 UTC
Duration4h 45m
ServiceActions
Official recordhttps://stspg.io/8nsh6820sff9

Timeline

  1. 11:03Z

    Detected · Signal

    2 crowd signals for Actions on GITHUB crossed the signal threshold.
  2. 15:28Z

    Confirmed · Official

    An official GITHUB status-page notice corroborated the event — 4h 24m after detection.
  3. 15:49Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

1 independent evidence class for actions on GITHUB. 2 crowd reports across bluesky (single platform — not corroborating), z=+0.7σ vs the cell baseline. Official notice confirms it, 4h 24m after the crowd.