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GitHub Outage History

Daily provider-status observations and published incident history for GitHub.

Operational

GitHub is operational. Verified . Official provider source.

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69.4% of 49 verified observed days had no reported provider issue

90-Day Trend

Jul 15Oct 12

Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.

Monthly Status Summary

Month Issue-free days Days Tracked Days with issues
September 2026 76.7% 30 7

This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.

Recorded Daily Status (Last 91 Days)

Jul 14 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

September 2026
Incident across several services
minor Observed active window 18h 48m

View incident details and source

Started:

API Requests
investigating
We are continuing to process the backlog of issue label updates for Projects. Label changes may still be delayed. All other services are operating normally.
investigating
We are continuing to process the backlog of issue label updates for Projects. Users may still see delays before label changes are reflected in Projects. All other services are operating normally.
investigating
We've deployed a change intended to accelerate processing of the backlog of issue label updates in Projects. A sizable backlog still remains and we continue working through it. All other services are operating normally. We will provide another update within the next hour.
investigating
Updates to issue labels may be delayed in being reflected in Projects. We are continuing to deploy a change that will accelerate processing of the backlog of label updates. All other services are available. We will provide another update within the next hour.
investigating
We are preparing to deploy a change that will mitigate the impact.
investigating
Continuing to investigate the lag that may be experienced in issue labels being accurately reflected in Projects. We are working on alternate solutions to process the backlog of label updates.
investigating
We will post another update in approximately one hour to share our progress.
investigating
Updates to issue labels may be delayed in being reflected in Projects by about ~10 minutes. We have added some capacity to work through the backlog more quickly, but it'll likely be a few hours to complete processing the full backlog of messages. All other services are available.
investigating
Users may experience stale Project search results. We are working to increase indexing speed. All other services are available.
investigating
We are seeing recovery for Projects. Users may experience stale search results for Projects while indexing catches up.
investigating
The degradation affecting API Requests has been mitigated. We are monitoring to ensure stability.
investigating
Database replicas have been restored. Org creation and the GitHub API are no longer degraded.
investigating
Database replicas have detached. We're working to restore the database replicas. Users may experience issues beyond creating organizations and a degraded experience with the GitHub API and Projects.
investigating
We are investigating reports of degraded performance for API Requests
Incident with Pull Requests
minor Observed active window 1h 11m

View incident details and source

Started:

Pull Requests
monitoring
A git fileserver issue caused a brief delay in creating some merge commits - we've isolated the underlying server and already observed recovery.
monitoring
The degradation affecting Pull Requests has been mitigated. We are monitoring to ensure stability.
investigating
We are investigating reports of degraded performance for Pull Requests
Elevated rate of errors for OpenAI models provided by Copilot
minor Observed active window 51m

View incident details and source

Started:

Copilot AI Model Providers
monitoring
We are experiencing degraded availability for GPT-5.6 Luna, GPT-5.6 Terra, GPT-5.6 Sol, GPT-6 Astra, GPT-5.3-Codex in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. The provider is working to mitigate the problem and we are monitoring recovery. We recommend choosing another model or selecting 'Auto' to continue using Copilot.
investigating
We are investigating reports of degraded performance for Copilot AI Model Providers
Degradation with Gemini 3.8 Flash
major Observed active window 10h 29m

View incident details and source

Started:

Copilot AI Model Providers
monitoring
The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
investigating
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
investigating
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating reports of degraded availability for Copilot AI Model Providers
Disruption with some GitHub services
minor Observed active window 53m

View incident details and source

Started:

monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
investigating
We are investigating reports of impacted performance for some GitHub services.
Disruption with some GitHub services
minor Observed active window 1h 32m

View incident details and source

Started:

Copilot AI Model Providers
investigating
We continue to monitor intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customer-facing metrics have recovered, and we are awaiting confirmation from our upstream provider that the issue will not recur. Customers can select another model or Auto in the meantime.
investigating
We continue to investigate intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customers can use another model or select Auto while we monitor the situation.
investigating
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
monitoring
We are investigating degraded availability for Claude Fable 5.1, affecting some Copilot products and integrated development environments. The issue is caused by a problem with our upstream model provider. Customers can use another model or select Auto while we investigate.
investigating
We are investigating reports of impacted performance for some GitHub services.
Actions Larger Runner Jobs for some customers may be slow to start
minor Observed active window 59m

View incident details and source

Started:

monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
investigating
We are investigating reports of impacted performance for some GitHub services.
Incident with several GitHub Services
critical Observed active window 1h 28m

View incident details and source

Started:

API Requests Issues Pull Requests Actions Pages
investigating
Pull Requests is experiencing degraded performance. We are continuing to investigate.
investigating
We have reduced load on this cluster with internal load-shedding and are seeing signs of recovery but continue to monitor
investigating
We're seeing increased database replication delays on collab which is causing increased error rates in authorization endpoints and follow-on increased error rates across the system - we are investigating
investigating
Actions is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating reports of degraded availability for API Requests, Issues, Pages and Pull Requests
Degradation in repos contents API
minor Observed active window 22m

View incident details and source

Started:

investigating
We are investigating reports of impacted performance for some GitHub services.
Disruption with Copilot Code Review
major Observed active window 1h 50m

View incident details and source

Started:

investigating
We are applying the mitigation and expect recovery within approximately 30 minutes.
investigating
Some users may be experiencing failures when using Copilot code review. We have identified the root cause and are working on a mitigation.
investigating
We are investigating reports of impacted performance for some GitHub services.

Legacy Incident Archive

128 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.

July 2026
Latency issues across a number of services
major Source not attested
Last archived state: resolved
View archived record details
investigating
Webhooks is operating normally.
investigating
The degradation affecting Pull Requests has been mitigated. We are monitoring to ensure stability.
investigating
We identified the source of latency affecting multiple services and applied a fix. Issues and Actions are recovering, and remaining affected services are seeing improvement as processing backlogs clear. We are actively monitoring recovery across all services.
investigating
The degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
investigating
The degradation affecting Issues has been mitigated. We are monitoring to ensure stability.
investigating
We're currently investigating latency across multiple services. This can show as Actions jobs taking longer to start, Issues search serving stale results, and other listed services being similarly impacted.
investigating
Pull Requests is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating reports of degraded availability for Actions, Issues and Webhooks
Disruption with actions hosted runners
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
investigating
The degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
investigating
Approximately 3% of GitHub Actions runs on GitHub-hosted runners are experiencing run start delays exceeding 5 minutes. A small portion of these runs may fail after extended delays. We have identified the cause and are working on a mitigation.
investigating
We are investigating reports of degraded performance for Actions
Some SSH connections using deploy keys are failing
critical Source not attested
Last archived state: resolved
View archived record details
investigating
We have identified a recent code change as a potential cause of the SSH authentication failures affecting deploy key connections. Our engineering team is rolling back this change. Customers using deploy keys for SSH access to repositories may continue to experience intermittent connection failures until the fix is deployed.
investigating
We are investigating reports of intermittent SSH authentication failures affecting connections that use deploy keys. Customers may experience failed SSH connections when interacting with repositories via deploy keys. Our engineering team is actively investigating the root cause and working toward resolution.
investigating
We are investigating reports of impacted performance for some GitHub services.
Disruption with GPT 5.3 Codex
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are seeing signs of sustained recovery from the upstream provider for GPT 5.3 Codex requests. Requests are succeeding as expected. We are awaiting confirmation from the provider that the issue is fully mitigated before resolving this incident.
investigating
The upstream provider continues to return intermittent errors for GPT 5.3 Codex requests. Some users may experience failed or interrupted responses when using this model. Traffic continues to be automatically rerouted to reduce impact, and we are actively working with the upstream provider on a resolution. In the meantime, selecting an alternative model will avoid disruption.
investigating
We identified that an upstream provider is returning errors for GPT 5.3 Codex requests, causing some users to experience failed or interrupted responses. Traffic is being automatically rerouted to mitigate impact. We are working with the upstream provider to resolve the underlying issue. We recommend using a different model at this time while we resolve the problem.
investigating
We are investigating GPT Codex 5.3 performance.
investigating
We are investigating reports of degraded performance for Copilot AI Model Providers
Disruption with some GitHub services
major Source not attested
Last archived state: resolved
View archived record details
investigating
The Git LFS API issues have been identified as being related to a separate incident where Actions is experiencing degraded availability. We’re consolidating our investigation efforts under that incident.
monitoring
Some Git LFS operations, and loading files through the API are failing. We are investigating.
monitoring
Some Git LFS operations, and loading files through the API are failing. We are investigating.
investigating
We are investigating reports of impacted performance for some GitHub services.
Incident with GitHub Actions
critical Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
investigating
We’re seeing recovery across all impacted Actions runners. The team is continuing to monitor for global recovery.
investigating
API Requests is operating normally.
investigating
Issues, API Requests, and Pages have recovered. We are continuing to work on restoring GitHub Actions jobs using self-hosted or larger-hosted runners.
investigating
API Requests is experiencing degraded performance. We are continuing to investigate.
investigating
Issues is operating normally.
investigating
Pages is operating normally.
investigating
We continue to work on mitigative efforts to restore Actions workflow runners, and have observed that the extended downtime has started to cause knock-on effects to other services.<br /><br />A separate incident was opened before we understood they were related. We will continue to post updates on this incident.
investigating
Issues is experiencing degraded performance. We are continuing to investigate.
investigating
Actions and Pages are experiencing degraded performance. We are continuing to investigate.
investigating
Actions is experiencing degraded performance. We are continuing to investigate.
investigating
Actions is experiencing degraded availability. We are continuing to investigate.
investigating
API Requests is experiencing degraded availability. We are continuing to investigate.
investigating
We have identified the cause of failures in GitHub Actions and are working to restore service.
investigating
We are investigating degraded availability for GitHub Actions on github.com and in GHEC DR stamps. New workflows may delay or fail to start, and ongoing runs may fail. We will provide more information as soon as we can.
investigating
We are investigating reports of degraded performance for Actions
Degraded REST API Availability
major Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation affecting API Requests has been mitigated. We are monitoring to ensure stability.
investigating
We are continuing to investigate an issue causing approximately 35% of REST API requests to fail.  Based on our current understanding, requests are not consistently reaching the application layer, resulting in failed requests returning HTML responses instead of the expected API response format. We are actively investigating the issue and will provide another update as soon as more information is available.
investigating
API Requests is experiencing degraded performance. We are continuing to investigate.
investigating
We are aware of degraded REST API availability and are investigating
investigating
We are investigating reports of impacted performance for some GitHub services.
Claude Fable 5 experiencing degraded performance
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.
investigating
We are investigating reports of degraded performance for Copilot AI Model Providers
Disruption with some GitHub services
critical Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
investigating
We are investigating reports of impacted performance for some GitHub services.
Incident with Webhooks
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation affecting Webhooks has been mitigated. We are monitoring to ensure stability.
investigating
Between 15:17 and 15:27 UTC, an ongoing deployment had an unintended side effect where webhook delivery states were not persisted in all cases, even when deliveries were accepted and processed. Customers may notice missing webhook deliveries in the UI, and these deliveries will not be retryable.<br /><br />Impact resolved automatically once the deployment completed.
investigating
We are investigating reports of degraded performance for Webhooks
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