503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

GitHub outage — June 28, 2026

I think it’s been functionally login-only for a while, unfortunately. Any time I try to use the site while logged out I immediately hit all sorts of rate limits

GitHub’s Issues & PRs was disrupted for 9d 13h on June 28, 2026. 503Radar’s sensors raised the first signal at 08:03 UTC, 9h 59m before the official status page acknowledged impact.

Key facts

DetectedJune 28, 2026 · 08:03 UTC
Confirmed18:03 UTC · lead time 9h 59m
Resolved21:24 UTC
Duration9d 13h
ServiceIssues & PRs

Timeline

  1. 08:03Z

    Detected · Signal

    Independent signals for Issues & PRs on GITHUB crossed the signal threshold.
  2. 18:03Z

    Confirmed · Official

    An official GITHUB status-page notice corroborated the event — 9h 59m after detection.
  3. 21:24Z

    Resolved

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

How this was detected

1 independent evidence class for issues-prs on GITHUB. 6 crowd reports across bluesky, hn_comments, mastodon (independent class), z=+3.0σ vs the cell baseline. No official notice yet — ahead of the vendor.