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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.

April 2026
Disruption with some GitHub services
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We are investigating reports of degraded performance for Actions
Delays with Actions Jobs for Larger Runners using VNet Injection in the East US region
minor Source not attested
Last archived state: resolved
View archived record details
investigating
This is related to the public impact, "Multiservice impact for Azure Workloads in East US" shared at https://azure.status.microsoft/
investigating
We are investigating reports of degraded performance for Larger Runners with vnet injection in East US and we are working with our service provider on mitigation.
investigating
We are investigating reports of impacted performance for some GitHub services.
Incident with Pull Requests
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We have resolved a regression present when using merge queue with either squash merges or rebases. If you use merge queue in this configuration, some pull requests may have been merged incorrectly between 2026-04-23 16:05-20:43 UTC. <br /><br />This behavior is still present in GitHub Enterprise Cloud with Data Residency, and we are rolling out the same fix.
investigating
Pull Requests is operating normally.
investigating
We have identified a regression in merge queue behavior present when squash merging or rebasing. We have identified the root-cause and are in the process of reverting the change.
investigating
We are investigating reports of degraded performance for Pull Requests
Disruption with users unable to start Claude and Codex agent task from the web
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We have identified the root cause of the issue and are working on mitigation.
investigating
We are investigating reports of impacted performance for some GitHub services.
Incident with multiple GitHub services
critical Source not attested
Last archived state: resolved
View archived record details
investigating
Webhooks is operating normally.
investigating
Many services are mitigated and are validating the remaining services.
investigating
The degradation affecting Actions and Copilot has been mitigated. We are monitoring to ensure stability.
investigating
We have identified the root problem and are working on mitigation.
investigating
Actions is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating multiple unavailable services.
investigating
We are investigating reports of degraded availability for Copilot and Webhooks
Investigating errors on GitHub
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
The degradation affecting Actions, Codespaces, Copilot and Packages has been mitigated. We are monitoring to ensure stability.
investigating
A mitigation was applied and services have recovered.  Actions is working through queued work before fully recovering.
investigating
Users are experiencing errors loading various web pages on github.com. Actions and Copilot Cloud Agent runs will be delayed.
investigating
Copilot is experiencing degraded performance. We are continuing to investigate.
investigating
Codespaces is experiencing degraded performance. We are continuing to investigate.
investigating
Packages is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating reports of degraded performance for Actions
Disruption with some GitHub services
minor Source not attested
Last archived state: resolved
View archived record details
investigating
We have identified the root cause of the disruption affecting Copilot Coding Agent and Issues. A fix is being deployed.
investigating
We have identified the root cause of the disruption affecting Copilot Coding Agent and Issues. Copilot @-mentions on pull requests are not being processed, and some issue-related functionality may be degraded. A fix has been developed and is being applied. <br />
investigating
Copilot @-mentions on pull requests are currently not being processed by Copilot Cloud Agent. We have found the issue and are investigating remediations.
investigating
Issues is experiencing degraded performance. We are continuing to investigate.
investigating
We are investigating reports of impacted performance for some GitHub services.
Disruption with Copilot chat and Copilot Coding Agent
critical Source not attested
Last archived state: resolved
View archived record details
investigating
Copilot cloud agent and chat are mitigated for github.com.
investigating
We are now seeing recovery for Copilot cloud agent.
investigating
Mitigation is progressing for Copilot chat and cloud agent recovery.
investigating
Mitigation is progressing for Copilot chat and cloud agent.
investigating
We continue to work on mitigation for Copilot chat and cloud agent.
investigating
We are aware of users seeing errors interacting with Copilot chat on github.com and Copilot cloud agent. We have identified the cause and are investigating remediations.
investigating
We are investigating reports of impacted performance for some GitHub services.
Disruption with projects service
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
The issue remains mitigated. Users may still experience small delays in changes to projects while we process the backlog of events. We expect a full recovery in approximately two hours.
monitoring
The issue remains mitigated. Users may still experience delays in changes to projects while we process the backlog of events. We expect a full recovery in approximately three hours.
monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
investigating
Recovery from the delays affecting GitHub Projects continues to progress. We have deployed additional mitigations that are accelerating processing of the backlog. Users may still experience delays where changes to projects are not reflected immediately. We expect full recovery within approximately six hours.
investigating
The queues are continuing to decrease and we are working to accelerate the rate of processing through the queues.
investigating
The mitigation is deployed and we are seeing recorvery in the queues and will provide an update as to when full recovery will be realized.
investigating
We are deploying a fix to relieve the queue of delayed data. Some users may still experience delays with GitHub Projects where changes are not reflected immediately as remaining backlogs are processed.
investigating
We continue to investigate delays with GitHub Projects where changes may not be reflected immediately. Our team has identified the cause and applied mitigations to address the issue. We are seeing initial signs of recovery, though some delays may persist as the system works through a backlog of pending updates.
investigating
We are investigating reports of delays with GitHub Projects. Users may notice that changes made to projects are not reflected immediately. Our team has identified the source of the delays and is actively working to resolve the issue.
investigating
We are investigating reports of impacted performance for some GitHub services.
Partial degradation for code scanning default setup and for code quality
major 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 issue remains mitigated. Issues that were linked to projects during the incident may take approximately three more hours to render correctly while we complete a re-index.
monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
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
The issue has been mitigated. Newly created issues linked to projects should now function as expected. Issues that were linked to projects during the incident may take approximately five hours to render correctly while we complete a re-index.
investigating
A deployment to fix this issue of new issues not showing up in projects is underway.
investigating
We continue to work on mitigation regarding new issues not showing on project boards.
investigating
We continue to work on mitigation regarding new issues not showing on project boards.
investigating
Code scanning default setup and Code Quality triggers are back up and running. PRs not processed before or during this incident will require a new push to trigger code scanning or code quality analysis.<br /><br />We are seeing problems with new issues not showing on project boards and are working on mitigation.
investigating
We are continuing to work on a mitigation to unblock code scanning default setup and code quality features on pull requests.
investigating
We are currently deploying mitigations that should unblock code scanning default setup and code quality features on pull requests.
investigating
We are actively working to mitigate an issue affecting code scanning default setup and code quality features on pull requests. Users may experience pull request code scanning and code quality analyses not being triggered on new pull requests. Our engineering team has identified the root cause and working on mitigating the issue.
investigating
We are investigating reports of impacted performance for some GitHub services.