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GitHub · Developer toolsJan 14, 2026, 20:21 UTC

Incident with Webhooks

MinorNot disclosedUpdated 20h ago
Jan 14, 20:21 UTCJan 14, 21:38 UTC
Duration
1h 17m
Impact
Minor
Root cause
Not disclosed
GitHub, 90 days
68 incidents
Affected
Not listed by the vendor.
Status page

Final update

On January 14, 2026, between 19:34 UTC and 21:36 UTC, the Webhooks service experienced a degradation that delayed delivery of some webhooks. During this window, a subset of webhook deliveries that encountered proxy tunnel errors on their initial delivery attempt were delayed by more than two minutes. The root cause was a recent code change that added additional retry attempts for this specific error condition, which increased delivery times for affected webhooks. Previously, webhook deliveries encountering this error would not have been delivered. The incident was mitigated by rolling back the change, restoring normal webhook delivery. As a corrective action, we will update our monitoring to measure the webhook delivery latency critical path, ensuring that incidents are accurately scoped to this workflow.

Timeline

  1. Resolved · Jan 14, 21:38 UTC
    On January 14, 2026, between 19:34 UTC and 21:36 UTC, the Webhooks service experienced a degradation that delayed delivery of some webhooks. During this window, a subset of webhook deliveries that encountered proxy tunnel errors on their initial delivery attempt were delayed by more than two minutes. The root cause was a recent code change that added additional retry attempts for this specific error condition, which increased delivery times for affected webhooks. Previously, webhook deliveries encountering this error would not have been delivered. The incident was mitigated by rolling back the change, restoring normal webhook delivery. As a corrective action, we will update our monitoring to measure the webhook delivery latency critical path, ensuring that incidents are accurately scoped to this workflow.

More from GitHub

Full history
StartedIncidentDuration
Sep 2310:11 UTCIncident across several servicesOngoing
Sep 2022:13 UTCIncident with Pull Requests1h 9m
Sep 1720:59 UTCElevated rate of errors for OpenAI models provided by Copilot50m
Sep 1607:20 UTCDegradation with Gemini 3.8 Flash10h 28m
Sep 1519:11 UTCDisruption with some GitHub services49m
Sep 1509:47 UTCDisruption with some GitHub services1h 30m

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