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Copilot Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Nov 29, 2025

No incidents reported today.

Nov 28, 2025
Incident with Copilot
Resolved - This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
Nov 28, 08:23 UTC
Update - We have rolled out a fix and are monitoring for recovery.
Nov 28, 07:52 UTC
Update - We are investigating degraded performance with the Claude Sonnet 4.5 model in Copilot.
Nov 28, 07:04 UTC
Investigating - We are investigating reports of degraded performance for Copilot
Nov 28, 06:59 UTC
Nov 27, 2025

No incidents reported.

Nov 26, 2025

No incidents reported.

Nov 25, 2025

No incidents reported.

Nov 24, 2025
Disruption with some GitHub services
Resolved - On November 24, 2025, between 12:15 and 15:04 UTC, Codespaces users encountered connection issues when attempting to create a codespace after choosing the recently released VS Code Codespaces extension, version 1.18.1. Users were able to downgrade to the 1.18.0 version of the extension during this period to work around this issue. At peak, the error rate was 19% of connection requests. This was caused by mismatching version dependencies for the released VS Code Codespaces extension.

The connection issues were mitigated by releasing the VS Code Codespaces extension version 1.18.2 that addressed the issue. Users utilizing version 1.18.1 of the VS Code Codespaces extension are advised to upgrade to version >=1.18.2.

We are improving our validation and release process for this extension to ensure functional issues like this are caught before release to customers and to reduce detection and mitigation times for extension issues like this in the future.
Nov 24, 15:04 UTC
Update - Version 1.18.2 of the GitHub Codespaces VSCode extension has been released. This version should resolve the connection issues, and we are continuing to monitor success rate for Codespaces creation.
Nov 24, 14:26 UTC
Update - We are testing a new version of the GitHub Codespaces VSCode extension that should resolve the connection issues, and expect that to be available in the next 30 minutes.
Nov 24, 14:00 UTC
Update - Codespaces is experiencing degraded performance. We are continuing to investigate.
Nov 24, 13:26 UTC
Update - We are seeing Codespaces connection issues related to the latest version of the VSCode Codespaces extension (1.18.1). Users can select the 1.18.0 version of the extension to avoid issues (View -> Command Palette, run "Extensions: Install specific version of Extension..."), while we work to remove the affected version.
Nov 24, 13:25 UTC
Investigating - We are currently investigating this issue.
Nov 24, 13:10 UTC
Nov 23, 2025

No incidents reported.

Nov 22, 2025

No incidents reported.

Nov 21, 2025
Disruption with some GitHub services
Resolved - This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
Nov 21, 00:22 UTC
Update - Processing of these jobs has resumed.
Nov 21, 00:22 UTC
Update - GitHub Enterprise Importer migration systems are currently impacted by a pause to Migration Mannequin Reclaiming.
At 19:43 UTC on 2025-11-19, we paused the queue that processes Mannequin Reclaiming work done at the end of a migration.
This was done after observing load that threatened the health of the overall system. The cause has been identified, and efforts to fix are underway.

In the current state:
- all requests to Reclaim Mannequins will be held in a queue
- those requests will be processed when repair work is complete and the queue unpaused, at which time the incident will be closed

This does not impact processing of migration runs using GitHub Enterprise Importer, only mannequin reclamation.
Nov 19, 16:13 UTC
Investigating - We are currently investigating this issue.
Nov 19, 16:13 UTC
Nov 20, 2025
Disruption with some GitHub services
Resolved - Between November 20, 2025 17:16 UTC to November, 2025 19:08 UTC some users experienced delayed or failed Git Operations for raw file downloads. On average, the error rate was less than 0.2%. This was due to a sustained increase in unauthenticated repository traffic.

We mitigated the incident by applying regional rate limiting and are taking steps to improve our monitoring and time to mitigation for similar issues in the future.
Nov 20, 19:24 UTC
Update - Mitigation has been applied and operations have returned to normal.
Nov 20, 19:24 UTC
Update - We continue to see a small number of errors when accessing raw file content. We are deploying a mitigation.
Nov 20, 18:44 UTC
Update - We're investigating elevated error rates for a small amount of customers when accessing raw file content.
Nov 20, 18:05 UTC
Investigating - We are currently investigating this issue.
Nov 20, 18:04 UTC
Nov 19, 2025
Incident with Actions
Resolved - On November 19, between 17:36 UTC and 18:04 UTC, GitHub Actions service experienced degraded performance that caused excessive latency in queueing and updating workflow runs and job statuses. Operations related to artifacts, cache, job steps and logs also had significantly increased latency. At peak, 67% of workflow jobs queued during that timeframe were impacted, and the median latency for impacted operations increased by up to 35x.

This was caused by a significant change in load pattern on Actions Cache-related operations, leading to a saturated shared resource on the backend. The impact was mitigated by mitigating the new load pattern.

To reduce the likelihood of a recurrence, we are improving rate-limiting measures in this area to ensure a more consistent experience for all customers. We are also evaluating changes to reduce the scope of impact.
Nov 19, 18:07 UTC
Update - We have applied mitigation and are seeing recovery
Nov 19, 17:59 UTC
Update - We are investigating delays in actions runs and possible errors in artifact and cache creation.
Nov 19, 17:56 UTC
Investigating - We are investigating reports of degraded performance for Actions
Nov 19, 17:48 UTC
Nov 18, 2025
Git operation failures
Resolved - From Nov 18, 2025 20:30 UTC to Nov 18, 2025 21:34 UTC we experienced failures on all Git operations, including both SSH and HTTP Git client interactions, as well as raw file access. These failures also impacted products that rely on Git operations.

The root cause was an expired TLS certificate used for internal service-to-service communication. We mitigated the incident by replacing the expired certificate and restarting impacted services. Once those services were restarted we saw a full recovery.

We have updated our alerting to cover the expired certificate and are performing an audit of other certificates in this area to ensure they also have the proper alerting and automation before expiration. In parallel, we are accelerating efforts to eliminate our remaining manually managed certificates, ensuring all service-to-service communication is fully automated and aligned with modern security practices.
Nov 18, 21:59 UTC
Update - Git Operations is operating normally.
Nov 18, 21:56 UTC
Update - We are seeing full recovery after rolling out the fix and all services are operational.
Nov 18, 21:55 UTC
Update - Codespaces is operating normally.
Nov 18, 21:55 UTC
Update - We have shipped a fix and are seeing recovery in some areas and will continue to provide updates.
Nov 18, 21:36 UTC
Update - We have identified the likely cause of the incident and are working on a fix. We will provide another update as we get closer to deploying the fix.
Nov 18, 21:27 UTC
Update - Codespaces is experiencing degraded availability. We are continuing to investigate.
Nov 18, 21:25 UTC
Update - We are currently investigating failures on all Git operations, including both SSH and HTTP.
Nov 18, 21:11 UTC
Update - We are seeing failures for some git http operations and are investigating
Nov 18, 20:52 UTC
Update - Git Operations is experiencing degraded availability. We are continuing to investigate.
Nov 18, 20:39 UTC
Investigating - We are currently investigating this issue.
Nov 18, 20:39 UTC
Disruption with some GitHub services
Resolved - Between November 17, 2025 21:24 UTC and November 18, 2025 00:04 UTC the gists service was degraded and users were unable to create gists via the web UI. 100% of gist creation requests failed with a 404 response. This was due to a change in the web middleware that inadvertently triggered a routing error. We resolved the incident by rolling back the change. We are working on more effective monitoring to reduce the time it takes to detect similar issues and evaluating our testing approach for middleware functionality.
Nov 18, 00:10 UTC
Update - We are investigating reports of 404s creating gists.
Nov 17, 23:01 UTC
Investigating - We are currently investigating this issue.
Nov 17, 23:01 UTC
Nov 17, 2025
Disruption with some GitHub services
Resolved - From Nov 17, 2025 00:00 UTC to Nov 17, 2025 15:00 UTC Dependabot was hitting a rate limit in GitHub Container Registry (GHCR) and was unable to complete about 57% of jobs.

To mitigate the issue we lowered the rate at which Dependabot started jobs and increased the GHCR rate limit.

We’re adding new monitors and alerts and looking into more ways to decrease load on GHCR to help prevent this in the future.
Nov 17, 19:08 UTC
Update - We continue to see recovery and dependabot jobs are currently processing as expected.
Nov 17, 18:54 UTC
Update - We are applying a configuration change and will monitor for recovery.
Nov 17, 18:18 UTC
Update - We are continuing to investigate dependabot failures and a configuration change to mitigate.
Nov 17, 17:50 UTC
Update - We are investigating dependabot job failures affecting approximately 50% of version updates and 25% of security updates.
Nov 17, 17:15 UTC
Investigating - We are currently investigating this issue.
Nov 17, 16:52 UTC
Nov 16, 2025

No incidents reported.

Nov 15, 2025

No incidents reported.

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