# GitHub change history Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=&page=N`. Company profile: [GitHub](https://rewindex.com/company/github.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 17 | 17 | 2026-10-07 17:17 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-10-07 17:17 UTC | Major incident | [Critical incident: Incident with Git Operations, Issues, Actions and Pull Requests](https://rewindex.com/change/i7b131b4842354e.md) | degradation | GitHub reported a critical degradation affecting Actions, Git Operations, Issues and Pull Requests, with a recurring write-operation outage from 16:52 to 17:01 UTC. The incident opened at 2026-10-07 17:17 UTC and resolved at 2026-10-07 18:04 UTC, lasting 47 min. GitHub applied mitigations and said both outages shared the same root cause, without specifying it here. | | 2026-10-07 16:25 UTC | Major incident | [Critical incident: Incident with Git Operations, Pull Requests and Actions](https://rewindex.com/change/ia5be6631b22aa2.md) | outage | GitHub reported a critical outage affecting write operations across Git Operations, Pull Requests, Issues, Actions, the API, webhooks and authentication. The record starts and resolves at 2026-10-07 16:25 UTC (computed duration: 0 min), although GitHub described two outages totaling about 19 minutes. GitHub said the root cause was identified and preventive mitigations were being applied. | | 2026-10-06 19:57 UTC | Major incident | [Critical incident: Several services are degraded](https://rewindex.com/change/ibb8164fa401d61.md) | outage | GitHub’s critical incident degraded Pull Requests and Webhooks and paused enterprise migrations, starting 2026-10-06 19:57 UTC and resolving 2026-10-06 23:40 UTC (3 h 43 min). GitHub reported an outage from 19:44 to 19:50 UTC affecting 12 services, with approximately 1.16 million failed requests. It identified GitHub Enterprise Importer as the trigger and reported deploying a mitigation. | | 2026-10-05 23:47 UTC | Major incident | [Major incident: Disruption with some GitHub services](https://rewindex.com/change/i239149a5363ae3.md) | degradation | GitHub reported a major degradation causing slow loads, timeouts, and errors on organization and enterprise billing, licensing, and settings pages. The incident started at 2026-10-05 23:47 UTC and was resolved at 2026-10-06 01:32 UTC, lasting 1 h 44 min; GitHub cited a networking failure and reported deploying a mitigation. | | 2026-10-05 19:11 UTC | Major incident | [Critical incident: Incident with Actions](https://rewindex.com/change/ifbe2048d06b391.md) | degradation | GitHub reported critical Actions and Pages degradation starting 2026-10-05 19:11 UTC, resolved at 2026-10-05 22:49 UTC (3 h 37 min). Runner delays meant 26.5% of GitHub-hosted jobs did not start within five minutes, delaying customer workflows. GitHub applied mitigations, cleared queued jobs, and reported both services operating normally. | | 2026-09-28 21:16 UTC | Major incident | [Critical incident: Copilot Code Review is unable to complete reviews](https://rewindex.com/change/id5ac1bf50cab3c.md) | degradation | GitHub reported a critical Copilot Code Review degradation starting 2026-09-28 21:16 UTC, resolved at 2026-09-28 22:08 UTC (51 min). Approximately 70% of requested reviews did not complete across all environments; affected users needed to re-request reviews. GitHub attributed the issue to a dependent-service change and reported a revert underway before recovery. | | 2026-09-16 07:20 UTC | Major incident | [Major incident: Degradation with Gemini 3.8 Flash](https://rewindex.com/change/i39f8e4c35fce84.md) | degradation | GitHub reported a major Gemini 3.8 Flash degradation in Copilot starting 2026-09-16 07:20 UTC, resolved at 2026-09-16 17:48 UTC (10 h 27 min). Requests failed at an average rate of 6.4% due to a capacity issue; mitigation was reported at 11:45 UTC. Other models were unaffected; users could switch models or use 'Auto'. | | 2026-09-13 09:16 UTC | Major incident | [Critical incident: Incident with several GitHub Services](https://rewindex.com/change/i9558cb7fb5a57f.md) | degradation | GitHub reported critical degradation affecting Actions, API Requests, Issues, Pages and Pull Requests from 2026-09-13 09:16 UTC to 2026-09-13 10:44 UTC (1 h 28 min). Database replication delays increased authorization errors; GitHub reduced cluster load through internal load-shedding and resolved the incident. The final update dates customer impact from 08:43 UTC. | | 2026-09-04 20:39 UTC | Major incident | [Major incident: Disruption with Copilot Code Review](https://rewindex.com/change/i8f57a23b917e47.md) | outage | GitHub’s major Copilot code review incident ran from 2026-09-04 20:39 UTC to 2026-09-04 22:26 UTC (1 h 47 min). Affected pull request reviews failed to complete or post comments because an authentication-permissions change blocked submissions to the GitHub API; reverting the change restored normal operation. | | 2026-08-27 10:04 UTC | Major incident | [Critical incident: Incident with Copilot AI Model Providers](https://rewindex.com/change/ief5aa408edab73.md) | degradation | GitHub reported a critical degradation affecting Kimi K3 in Copilot products and IDE surfaces, with elevated error rates; no other models were impacted. The incident record started at 2026-08-27 10:04 UTC and resolved at 2026-08-27 12:12 UTC, lasting 2 h 8 min. GitHub attributed it to an upstream provider issue, resolved through the provider’s mitigation. | | 2026-08-26 15:11 UTC | Major incident | [Critical incident: Incident with Actions](https://rewindex.com/change/i05ff5cfd0bd78e.md) | degradation | GitHub reported critical Actions and Pages degradation from 2026-08-26 15:11 UTC to 2026-08-26 18:01 UTC (2 h 49 min). Actions jobs failed to start or were delayed; Pages performance degraded. Workflow-trigger database write saturation caused the impact; failover did not fully restore service. At recovery, 3.7% of early larger-runner jobs remained stuck, awaiting cancellation. | | 2026-08-24 07:12 UTC | Major incident | [Major incident: Elevated errors on Fable 5 due to upstream provider](https://rewindex.com/change/i90dca73abc8c7c.md) | degradation | GitHub reported a major degradation affecting Claude Fable 5 in Copilot products and IDE surfaces, with elevated errors and requests failing mid-response; no other models were impacted. The incident started at 2026-08-24 07:12 UTC and was resolved at 2026-08-24 07:58 UTC, lasting 46 min. GitHub attributed it to an upstream provider issue, resolved through the provider’s mitigation. | | 2026-08-20 14:43 UTC | Major incident | [Critical incident: Intermittent failures creating agent tasks](https://rewindex.com/change/i7b6ca713d21624.md) | degradation | GitHub’s critical Copilot Cloud Agent incident started at 2026-08-20 14:43 UTC and resolved at 2026-08-21 00:37 UTC, lasting 9 h 54 min. Task status and results were delayed by up to 60 to 90 minutes; tasks continued running and completing. GitHub cited a regional third-party cloud database outage and deployed a fix. | | 2026-08-18 09:36 UTC | Major incident | [Major incident: Incident with Actions](https://rewindex.com/change/i5cc426d9c03cd8.md) | outage | GitHub reported a major Actions outage starting 2026-08-18 09:36 UTC, resolved at 2026-08-18 10:23 UTC (46 min). Customers could not run jobs on Actions Larger Runners or view/manage Actions Runners and Runner Groups through the GitHub UI and API; GitHub attributed the failures to backend requests resolving essential metadata. | | 2026-08-17 13:40 UTC | Major incident | [Critical incident: Incident with GitHub.com](https://rewindex.com/change/ic862ee8bcfce0f.md) | outage | GitHub reported a critical outage affecting Issues, Pull Requests, APIs, Actions and Copilot, with elevated errors and latency. Peak web/API error rates were approximately 20%; archive and raw-content downloads reached approximately 50%. It started 2026-08-17 13:40 UTC and was resolved at 2026-08-17 21:15 UTC, lasting 7 h 35 min. | | 2026-08-12 21:39 UTC | Major incident | [Major incident: Disruption with Login and Release Asset downloads](https://rewindex.com/change/i74662f41951016.md) | outage | GitHub reported a major disruption affecting login and Release Asset downloads, starting 2026-08-12 21:39 UTC and resolved 2026-08-12 22:56 UTC (1 h 17 min). Some logged-out requests received HTTP 5xx errors; GitHub attributed these to an unusual traffic pattern repeatedly overloading infrastructure serving those requests. | | 2026-08-06 15:22 UTC | Major incident | [Critical incident: Incident with Actions](https://rewindex.com/change/i16a54e2ff99eb5.md) | degradation | GitHub Actions experienced critical degraded availability from 2026-08-06 15:22 UTC to 2026-08-07 02:04 UTC (10 h 41 min), causing failed or queued workflows on GitHub-hosted and self-hosted runners. At peak, 71% of runs experienced infrastructure failures. Users with stuck Actions Runner Controller pods could delete them or redeploy the controller to create replacement runners. | --- Canonical: https://rewindex.com/company/github/changes · Markdown: https://rewindex.com/company/github/changes.md · JSON: https://rewindex.com/api/v1/companies/github/changes · Generated 2026-10-18T00:36:15.395Z