GitHub Outage History

50 incidents reported. Data sourced from the official GitHub status page.

50
Total Incidents
18
Major/Critical
28
Minor
50
Resolved

June 2026

Disruption with Copilot next edit suggestions

minor
Jun 17, 05:57 PMJun 17, 07:28 PMresolved
Jun 17, 07:28 PM
resolvedThis 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.
Jun 17, 07:14 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
Jun 17, 07:09 PM
investigatingWe have applied mitigation and are seeing recovery
+2 more updates

Incident with Copilot Availability

critical
Jun 17, 03:50 AMJun 17, 04:44 AMresolved
Jun 17, 04:44 AM
resolvedThis 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.
Jun 17, 04:44 AM
monitoringCopilot is operating normally.
Jun 17, 04:26 AM
investigatingWe've applied a mitigation to unblock Copilot functionality. Users may start to see signs of recovery. Relaunching your client should accelerate signs of recovery. We will continue to monitor the situ...
+2 more updates

Disruption with some GitHub services

major
Jun 16, 05:45 PMJun 16, 06:15 PMresolved
Jun 16, 06:15 PM
resolvedThis 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.
Jun 16, 06:14 PM
monitoringThe issues with our upstream model provider have been resolved, and Opus 4.8 is once again available in Copilot products and IDE surfaces.<br /><br />We will continue monitoring to ensure stability, b...
Jun 16, 06:00 PM
monitoringThe degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability.
+2 more updates

Multiple services have elevated errors and endpoint failures when checking feature flags

minor
Jun 15, 06:32 PMJun 15, 07:10 PMresolved
Jun 15, 07:10 PM
resolvedBetween 17:38 UTC and 18:22 UTC on June 15, 2026, approximately 83% of requests to the analytics endpoint serving the /chronicle feature failed.  The cause was an internal feature-flag service that en...
Jun 15, 07:10 PM
monitoringWe identified an issue with feature flag checks that caused elevated errors and endpoint failures across multiple GitHub Copilot services. Customers may have experienced failed requests or degraded fu...
Jun 15, 07:02 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
+1 more updates

Increased latency with webhooks

minor
Jun 15, 03:37 PMJun 15, 05:37 PMresolved
Jun 15, 05:37 PM
resolvedThis 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.
Jun 15, 04:39 PM
monitoringThe degradation affecting Webhooks has been mitigated. We are monitoring to ensure stability.
Jun 15, 04:39 PM
investigatingWebhooks delivery latency has returned to normal levels. The backlog that built up during the incident has been cleared at approximately 4:29 UTC. We consider this incident resolved.
+1 more updates

Incident with Webhooks

minor
Jun 11, 07:42 PMJun 11, 10:19 PMresolved
Jun 11, 10:19 PM
resolvedThis 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.
Jun 11, 08:00 PM
monitoringThe degradation affecting Webhooks has been mitigated. We are monitoring to ensure stability.
Jun 11, 07:58 PM
investigatingWe have applied a mitigation and are monitoring for recovery.
+2 more updates

Authentication issues related to API requests

critical
Jun 10, 03:20 PMJun 10, 04:39 PMresolved
Jun 10, 04:39 PM
resolvedBetween 15:05 UTC and 16:25 UTC, GitHub API services experienced degraded availability due to sporadic authentication failures affecting approximately 9% of requests. Customers experienced intermitten...
Jun 10, 04:37 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
Jun 10, 04:36 PM
investigatingThe degradation affecting API Requests has been mitigated. We are monitoring to ensure stability.
+7 more updates

Degraded availability for GitHub.com, GraphQL API, and Webhooks UI/API

none
Jun 8, 03:00 PMJun 8, 03:00 PMresolved
Jun 9, 03:48 PM
resolvedOn June 8, 2026, between 14:49 and 14:54 UTC, a subset of requests to GitHub.com, the REST API, GraphQL API, and Webhooks UI/API experienced elevated error rates due to a transient infrastructure capa...

Disruption with Claude Opus 4.7

minor
Jun 8, 09:05 AMJun 8, 10:03 AMresolved
Jun 8, 10:03 AM
resolvedOn June 8, 2026, between 08:40 UTC and 09:30 UTC, the Claude Opus 4.7 model experienced degraded availability with error rates peaking at 8.4% and averaging 1.9%. This was due to an upstream provider ...
Jun 8, 09:49 AM
investigatingWe are experiencing degraded availability for the Claude Opus 4.7 model in Copilot Chat, VS Code and other Copilot products. This is due to an issue with an upstream model provider. We are working wit...
Jun 8, 09:08 AM
investigatingWe are experiencing degraded availability for the Claude Opus 4.7 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolv...
+1 more updates

Pull Requests and Issues unavailable for signed-out users

critical
Jun 8, 07:11 AMJun 8, 08:36 AMresolved
Jun 8, 08:36 AM
resolvedOn June 8, 2026, between approximately 06:30 UTC and 08:36 UTC, signed-out users experienced sustained elevated HTTP 504 errors when accessing Pull Requests, Issues, releases, patch diffs, and other r...
Jun 8, 08:35 AM
monitoringThe degradation affecting Actions, Issues and Pull Requests has been mitigated. We are monitoring to ensure stability.
Jun 8, 08:27 AM
investigatingActions is experiencing degraded performance. We are continuing to investigate.
+5 more updates

EU Network Maintenance

minor
Jun 6, 03:31 PMJun 6, 06:49 PMresolved
Jun 6, 06:49 PM
resolvedThis incident was used to notify for a maintenance event. There is no specific root cause analysis. Maintenance did run longer than expected (we were complete at 18:48 UTC) but the work proceeded as p...
Jun 6, 06:48 PM
monitoringAll work has been completed and we are hands off.
Jun 6, 03:36 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
+2 more updates

Disruption with some GitHub services in the EU region

minor
Jun 6, 04:53 PMJun 6, 05:07 PMresolved
Jun 6, 05:07 PM
resolvedOn June 6, 2026 between 16:18 UTC and 17:01 UTC, users experienced elevated error rates when performing Git operations (cloning, fetching, downloading archives) and accessing package registries. The i...
Jun 6, 04:56 PM
investigatingPackages is experiencing degraded performance. We are continuing to investigate.
Jun 6, 04:53 PM
investigatingWe are investigating reports of impacted performance for some GitHub services.

Auth issue resulting in API impacts, including some Slack and Teams channel subscriptions

minor
Jun 5, 05:20 PMJun 5, 10:21 PMresolved
Jun 5, 10:21 PM
resolvedOn June 5, 2026, between 15:35 UTC and 16:45 UTC, 0.11% of authenticated REST API requests incorrectly returned “not found” responses. Impact was concentrated among - and significantly higher for - us...
Jun 5, 10:21 PM
monitoringAffected Slack and Teams subscriptions have been restored. Please contact support if you encounter any additional issues.
Jun 5, 08:34 PM
monitoringAdditional detail on the scope of impact during the 14:49 UTC to 16:45 UTC window: a small but elevated percentage of authenticated requests to GitHub.com received incorrect authorization failures. We...
+5 more updates

Copilot Code Review Failing

critical
Jun 4, 06:02 PMJun 4, 07:59 PMresolved
Jun 4, 07:59 PM
resolvedOn June 4, 2026, from 17:30 UTC to 18:55 UTC, Copilot Code Review experienced elevated failures for review requests on GitHub.com. Affected users saw “Copilot ran into an error” on pull requests when ...
Jun 4, 07:59 PM
monitoringThis issue is now fully resolved and Copilot Code Review is working as expected.
Jun 4, 07:41 PM
monitoringThe mitigation for Copilot Code Review is now fully deployed, and new reviews are working as expected.  We are continuing to monitor for full resolution.<br /><br /> Customers may need to re-request C...
+6 more updates

Disruption with some GitHub services

minor
Jun 3, 07:42 PMJun 4, 04:11 AMresolved
Jun 4, 04:11 AM
resolvedBetween June 1, 2026, 23:00 UTC and June 4, 2026 04:11 UTC, customers experienced delays in Dependabot scheduled version updates. <br /><br />Pull request creation for version updates was delayed, wi...
Jun 4, 04:11 AM
monitoringJob lag has recovered to within normal operating thresholds. We are declaring this incident closed and will follow up with a summary soon.
Jun 4, 02:37 AM
monitoringJob lag has recovered from a peak of 1.71 days to 9h 9m at 19:29 UTC and continues to decrease. Backlog is draining at a healthy rate with no signs of reversal. New jobs are processing on schedule. Re...
+6 more updates

Disruption with some GitHub services

minor
Jun 3, 03:13 AMJun 3, 06:46 AMresolved
Jun 3, 06:46 AM
resolvedOn June 2, 2026, between 21:54 UTC and June 3, 2026 06:45 UTC, the Spark service was degraded and users were unable to store or retrieve data for their Spark apps in one of our hosting regions. Users ...
Jun 3, 06:45 AM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
Jun 3, 06:02 AM
investigatingWe are investigating reports of issues with service(s): Spark. We will continue to keep users updated on progress towards mitigation.
+2 more updates

Delays with Code Scanning and Billing

minor
Jun 1, 03:17 PMJun 2, 12:17 AMresolved
Jun 2, 12:17 AM
resolvedStarting from 13:00 UTC June 1, 2026, to 00:17 UTC June 2, 2026, multiple services experienced delayed job processing due to increased latency in our background job queue service. The root cause was i...
Jun 1, 09:59 PM
investigatingWe have identified the root cause and applied mitigations to address delays in billing updates and are continuing to see improvement in the processing rate. We will continue to monitor the progress an...
Jun 1, 07:27 PM
investigatingWe are continuing to investigate delayed billing updates, on GitHub.com.  We have applied additional mitigations are continuing to see signs of improvement, and are continuing to work to improve the p...
+6 more updates

May 2026

Disruption with OpenAI Models

critical
May 28, 07:01 PMMay 28, 08:41 PMresolved
May 28, 08:41 PM
resolvedOn May 28th, 2026, between approximately 18:27 and 20:41 UTC, the GitHub Copilot service was degraded due to an issue with the Responses API of an upstream provider affecting the GPT-5.2, GPT-5.3-Code...
May 28, 08:06 PM
investigatingOpen AI models are currently unavailable. We are shifting requests to other models to reduce impact.
May 28, 07:40 PM
investigatingWe are investigating errors with Copilot requests using OpenAI models
+2 more updates

Elevated error rates across multiple services

none
May 28, 07:07 PMMay 28, 07:07 PMresolved
May 28, 11:10 PM
resolvedOn May 28, 2026, between 19:07 UTC and 19:16 UTC, multiple GitHub services experienced elevated error rates. This was due to a change that was partially deployed to an authentication service, causing ...

Webhook APIs and UI Degraded

minor
May 28, 01:13 AMMay 28, 01:32 AMresolved
May 28, 01:32 AM
resolvedOn May 28, 2026, between 00:54 UTC and 01:19 UTC, some users experienced errors when interacting with the Webhooks API, including webhook delivery history and configuration endpoints. On average, the ...
May 28, 01:27 AM
monitoringThe degradation affecting Webhooks has been mitigated. We are monitoring to ensure stability.
May 28, 01:13 AM
investigatingWe are investigating reports of degraded performance for Webhooks

Incident with Pull Requests, Issues, Git Operations and API Requests

minor
May 27, 12:10 PMMay 27, 01:16 PMresolved
May 27, 01:16 PM
resolvedOn May 27, 2026, between 12:07 UTC and 13:16 UTC, users experienced degraded performance for Git operations, Pull Requests, Issues, GraphQL API, and related services on github.com. During this time, o...
May 27, 12:54 PM
investigatingWe're continuing to investigate degraded performance of Git operations, Issues and Pull requests.
May 27, 12:10 PM
investigatingWe are investigating reports of degraded performance for API Requests, Git Operations, Issues and Pull Requests

Disruption with some GitHub services

minor
May 26, 03:44 PMMay 26, 04:35 PMresolved
May 26, 04:35 PM
resolvedOn May 26, 2026, between 15:10 UTC and 16:35 UTC the Copilot service was degraded and many models were no longer available for use. On average, the error rate was ~5% and peaked at 11% of requests to ...
May 26, 04:24 PM
monitoringThe degradation affecting Copilot has been mitigated. We are monitoring to ensure stability.
May 26, 03:48 PM
investigatingCopilot is experiencing degraded performance. We are continuing to investigate.
+1 more updates

Incident with Actions and Pages

critical
May 26, 10:57 AMMay 26, 01:18 PMresolved
May 26, 01:18 PM
resolvedOn May 26, 2026, between 10:40 UTC and 12:56 UTC, GitHub Actions jobs were degraded. From 10:40 to 12:16 UTC, all newly queued Actions runs failed to start. From 12:16 to 12:56 UTC, Actions runs that ...
May 26, 01:01 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
May 26, 01:00 PM
monitoringThe degradation affecting Actions and Pages has been mitigated. We are monitoring to ensure stability.
+5 more updates

Elevated rate of Git push errors

major
May 25, 09:02 AMMay 25, 09:02 AMresolved
Jun 8, 01:56 PM
resolvedOn May 25, 2026, between 09:02 UTC and 09:11 UTC, Git push operations over HTTPS and SSH experienced elevated failures. During this window, an average of 31% and a peak of 43% of push requests failed....

Intermittent errors with app installation token authentication

minor
May 23, 04:00 PMMay 23, 07:32 PMresolved
May 23, 07:32 PM
resolvedOn May 23, 2026 between 06:00 UTC and 19:12 UTC, GitHub experienced intermittent errors authenticating <a href="https://docs.github.com/en/apps/creating-github-apps/authenticating-with-a-github-app/au...
May 23, 07:32 PM
investigatingThis is fully mitigated, we will continue to monitor to ensure it does not reoccur.
May 23, 07:06 PM
investigatingWe have identified and are applying additional mitigation and will continue to monitor for complete mitigation.
+5 more updates

Incident with Actions

minor
May 20, 04:58 PMMay 20, 08:14 PMresolved
May 20, 08:14 PM
resolvedOn May 20, 2026, between 16:00 UTC and 17:45 UTC, GitHub Actions customers experienced run start delays exceeding 5 minutes. Approximately 4.5% of all runs were delayed during the impact window, with ...
May 20, 07:41 PM
monitoringCustomer impact has fully subsided. We are maintaining yellow status while we deploy a permanent fix to prevent recurrence.
May 20, 06:17 PM
monitoringWe've applied a mitigation to fix the issues with queuing and running Actions jobs. We are seeing improvements in telemetry and are monitoring for full recovery.
+3 more updates

Incident with Copilot

none
May 19, 05:30 AMMay 19, 05:30 AMresolved
May 28, 12:40 PM
resolvedOn May 19, 2026, between 05:30 UTC and 14:50 UTC, some Copilot users experienced failures when using code completions, chat sessions, and cloud agent sessions. At peak impact, approximately 13% of Cop...

Actions is experiencing degraded availability

critical
May 15, 08:13 AMMay 15, 08:48 AMresolved
May 15, 08:48 AM
resolvedOn May 15, 2026, from approximately 07:43 UTC to 08:48 UTC, GitHub Actions experienced a degradation that caused workflow runs to fail or experience delayed starts for a subset of customers. The incid...
May 15, 08:41 AM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
May 15, 08:29 AM
investigatingWe are monitoring an issue that was affecting GitHub Actions and causing downstream issues in GitHub Coding Agent and GitHub Code Review Agent. The issue has resolved now but we are closely monitoring...
+4 more updates

[Retroactive] Incident with GitHub.com

none
May 15, 01:30 AMMay 15, 02:30 AMresolved
May 15, 03:57 AM
resolvedBeginning at 02:49 UTC on May 15 2026 and lasting until 03:04 UTC, GitHub.com was unavailable for a subset of customers. This impact has been mitigated and normal service resumed. The issue was roote...

Incident with CodeQL

minor
May 13, 02:41 PMMay 13, 04:03 PMresolved
May 13, 04:03 PM
resolvedOn May 13, 2026, between 14:31 and 16:03 UTC, the Code Scanning service experienced processing delays and 12% of check runs took over 15 minutes to complete. The delays were caused by replication lag ...
May 13, 03:30 PM
monitoringCodeQL impact has been mitigated. We are continuing to monitor for durable recovery.
May 13, 03:26 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
+3 more updates

Incident with CodeQL, Webhooks, Notifications, and Slack Integration

minor
May 12, 02:38 PMMay 12, 05:43 PMresolved
May 12, 05:43 PM
resolvedOn May 12, 2026, between 13:41 and 17:43 UTC, some services experienced delays in processing. For the Code Scanning service, 53% of check runs took over 15 minutes to complete. Additionally, notificat...
May 12, 05:43 PM
investigatingAll services have fully recovered.
May 12, 04:59 PM
investigatingCodeQL has fully recovered. We're continuing to work on recovery for the remaining impacted services.
+7 more updates

Incident with high errors on Git Operations

minor
May 11, 02:25 PMMay 11, 02:33 PMresolved
May 11, 02:33 PM
resolvedOn May 11th, 2026, between 14:00 UTC and 14:33 UTC, HTTP-based Git read operations were degraded. On average, the error rate was 2.8% and peaked at 7.5% of requests to the service. This was due to res...
May 11, 02:25 PM
investigatingWe are investigating reports of degraded performance for Git Operations

CCR and CCA failing to start for PR comments

critical
May 7, 05:02 AMMay 7, 06:56 AMresolved
May 7, 06:56 AM
resolvedOn May 7, 2026, between 04:12 UTC and 06:13 UTC, Copilot Cloud Agent and Copilot Code Review Agent sessions for pull requests were delayed or failed to start.<br /><br />The issue was caused by follow...
May 7, 06:14 AM
monitoringCopilot code review and cloud agents are starting again for pull requests, we are monitoring for full recovery.
May 7, 06:13 AM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
+1 more updates

Incident with Pull Requests

critical
May 6, 03:25 PMMay 6, 07:04 PMresolved
May 6, 07:04 PM
resolvedOn May 6, 2026 between 15:12 and 19:02 UTC creation of new pull request review threads on GitHub.com failed. This included new line comments and file comments on pull requests. Existing PRs and prev...
May 6, 07:04 PM
investigatingMitigations have been fully applied and we are seeing full recovery of functionality on Pull Request threads. We are continuing to monitor to ensure sustained recovery.
May 6, 05:52 PM
investigatingCreation of new Pull Request threads (including line and file comments) continues to be affected although we are seeing partial recovery.<br /><br />A mitigation is being applied to continue to accele...
+5 more updates

Disruption with some GitHub services

critical
May 6, 11:21 AMMay 6, 11:59 AMresolved
May 6, 11:59 AM
resolvedOn May 6, 2026 between 11:02 UTC and 11:13 UTC, users were unable to start or view Copilot Cloud Agent or remote sessions. During this time, requests to the session API returned errors, preventing use...
May 6, 11:59 AM
investigatingWe have applied a mitigation and Copilot services have recovered.
May 6, 11:25 AM
investigatingWe are investigating issues with the ability to start Copilot Cloud Agent sessions and view them.
+1 more updates

Incident with Actions, we are investigating reports of degraded availability

major
May 6, 07:19 AMMay 6, 09:44 AMresolved
May 6, 09:44 AM
resolvedOn May 6, 2026, from approximately 06:45 UTC to 09:15 UTC, GitHub Actions Standard Ubuntu hosted runners were degraded. 17.1% of jobs requesting a standard runner failed.<br /><br />This was caused by...
May 6, 09:44 AM
monitoringActions wait times have fully recovered.
May 6, 09:19 AM
monitoringThe degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
+3 more updates

Increased Latency and Failures for SSH Git Operations

minor
May 5, 04:49 PMMay 5, 06:35 PMresolved
May 5, 06:35 PM
resolvedBetween approximately 14:00 and 16:10 UTC on May 5, 2026, SSH-based Git operations experienced elevated latency and intermittent failures. On average, the error rate was 0.46% and peaked at 0.6% of SS...
May 5, 06:35 PM
monitoringWe've completed our mitigation to prevent further impact. At this time the incident is considered resolved.
May 5, 06:25 PM
monitoringThe degradation affecting Git Operations has been mitigated. We are monitoring to ensure stability.
+4 more updates

Incident with Actions

critical
May 5, 01:37 PMMay 5, 05:26 PMresolved
May 5, 05:26 PM
resolvedOn May 5, 2026, from approximately 13:22 UTC to 17:05 UTC, GitHub Actions hosted runners in the East US region were degraded. 13.5% of jobs requesting a standard runner failed and ~16% of requested La...
May 5, 05:11 PM
investigatingActions is experiencing degraded performance. We are continuing to investigate.
May 5, 05:11 PM
investigatingStandard hosted runners have now reached full recovery. Hosted Runners with Private Networking in the East US region remain degraded as we continue working with our compute provider to restore capacit...
+6 more updates

Incident with Issues and Webhooks

critical
May 4, 03:45 PMMay 4, 04:40 PMresolved
May 4, 04:40 PM
resolvedOn 2026-05-04 at 3:37:17 PM UTC we detected increased latency on issues resulting in timeouts, and elevated 500 errors on webhooks. A scheduled workload drove high utilization on the primary host of a...
May 4, 04:36 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
May 4, 04:35 PM
investigatingWebhooks is operating normally.
+16 more updates

April 2026

Incomplete pull request results in repositories

minor
Apr 28, 02:17 PMMay 1, 04:15 AMresolved
May 1, 04:15 AM
resolvedOn April 28, 2026, at approximately 14:07 UTC, GitHub received reports that pull requests were missing from search results across global and repository /pulls pages. <br /><br />The issue was caused ...
May 1, 04:11 AM
investigatingThis incident has been resolved. Search and indexing functionality for pull requests are now fully restored. Thank you for your patience and understanding as we addressed this issue. A detailed root c...
Apr 30, 03:49 AM
investigatingWe have repaired the missing search records for affected Pull Requests and are working to identify and repair records left in a stale state after the recovery.
+7 more updates

Disruption with some GitHub services

minor
Apr 28, 01:59 PMApr 28, 05:09 PMresolved
Apr 28, 05:09 PM
resolvedOn April 28, 2026, from approximately 12:41 UTC to 17:09 UTC, GitHub Actions jobs using Standard Ubuntu 22 and Ubuntu 24 hosted runners experienced run start delays. Approximately 8% of hosted runner ...
Apr 28, 05:08 PM
monitoringActions is operating normally.
Apr 28, 04:36 PM
investigatingLess than 1% of hosted ubuntu-latest runs are delayed. We’re working through remaining steps to restore runner capacity.
+6 more updates

GitHub search is degraded

critical
Apr 27, 04:31 PMApr 27, 10:46 PMresolved
Apr 27, 10:46 PM
resolvedOn April 27, 2026 between 16:15 UTC and 22:46 UTC, GitHub search services experienced degraded connectivity due to saturation of the load balancing tier deployed in front of our search infrastructure....
Apr 27, 10:44 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
Apr 27, 10:35 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
+12 more updates

Disruption with some GitHub services

minor
Apr 27, 04:48 PMApr 27, 07:02 PMresolved
Apr 27, 07:02 PM
resolvedOn April 22, 2026 from 18:49 to 19:32 UTC , the Copilot Cloud Agent service began failing during session execution for users running the Agent HQ Codex agent. Codex agent sessions failed to start for ...
Apr 27, 07:01 PM
monitoringThe degradation has been mitigated. We are monitoring to ensure stability.
Apr 27, 05:26 PM
investigatingWe've found the issue and are working on deploying a solution to get Codex agent runs working again.
+2 more updates

Delays with Actions Jobs for Larger Runners using VNet Injection in the East US region

minor
Apr 24, 07:02 PMApr 25, 12:36 AMresolved
Apr 25, 12:36 AM
resolvedOn April 24, 2026, from approximately 11:39 UTC to April 25, 2026 at 00:15 UTC, GitHub Actions experienced delays and timeouts for Larger Hosted Runner jobs using VNet injection in the East US region ...
Apr 24, 07:14 PM
investigatingThis is related to the public impact, "Multiservice impact for Azure Workloads in East US" shared at https://azure.status.microsoft/
Apr 24, 07:09 PM
investigatingWe 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.
+1 more updates

Incident with Pull Requests

minor
Apr 23, 07:50 PMApr 23, 09:43 PMresolved
Apr 23, 09:43 PM
resolvedOn April 23, 2026, between 16:05 UTC and 20:43 UTC, the Pull Requests service experienced a regression affecting merge queue operations. PRs merged via merge queue using the squash merge method produc...
Apr 23, 09:18 PM
investigatingWe 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 bet...
Apr 23, 08:47 PM
investigatingPull Requests is operating normally.
+2 more updates

Disruption with users unable to start Claude and Codex agent task from the web

minor
Apr 23, 07:28 PMApr 23, 07:42 PMresolved
Apr 23, 07:42 PM
resolvedBetween 18:45 and 19:42 UTC on April 23, users were unable to start new agent tasks using either Claude or Codex agent on github.com. This was caused by a code change to how Copilot mission control ro...
Apr 23, 07:33 PM
investigatingWe have identified the root cause of the issue and are working on mitigation.
Apr 23, 07:28 PM
investigatingWe are investigating reports of impacted performance for some GitHub services.

Incident with multiple GitHub services

critical
Apr 23, 04:12 PMApr 23, 05:30 PMresolved
Apr 23, 05:30 PM
resolvedOn April 23, 2026, between 16:03 UTC and 17:27 UTC, multiple GitHub services experienced elevated error rates and degraded performance due to DNS resolution failures originating from our DNS infrastru...
Apr 23, 05:10 PM
investigatingWebhooks is operating normally.
Apr 23, 05:04 PM
investigatingMany services are mitigated and are validating the remaining services.
+5 more updates

Investigating errors on GitHub

minor
Apr 23, 02:40 PMApr 23, 03:18 PMresolved
Apr 23, 03:18 PM
resolvedOn April 23, 2026 between 14:30 UTC and 15:18 UTC multiple services were degraded on github.com. During this time approximately 1.5% of all web requests resulted in a 5xx status and unicorn pages for ...
Apr 23, 03:02 PM
monitoringThe degradation affecting Actions, Codespaces, Copilot and Packages has been mitigated. We are monitoring to ensure stability.
Apr 23, 03:02 PM
investigatingA mitigation was applied and services have recovered.  Actions is working through queued work before fully recovering.
+5 more updates

Disruption with some GitHub services

minor
Apr 22, 07:53 PMApr 22, 10:43 PMresolved
Apr 22, 10:43 PM
resolvedOn April 22, 2026, between 09:00 UTC and 22:05 UTC, the Copilot coding agent and pull request comment event processing were degraded. During this period, approximately 0.5% of total pull request and i...
Apr 22, 10:09 PM
investigatingWe have identified the root cause of the disruption affecting Copilot Coding Agent and Issues. A fix is being deployed.
Apr 22, 08:37 PM
investigatingWe 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 ...
+3 more updates

Disruption with Copilot chat and Copilot Coding Agent

critical
Apr 22, 03:35 PMApr 22, 07:18 PMresolved
Apr 22, 07:18 PM
resolvedOn April 22, 2026, between 15:16 UTC and 19:18 UTC, users experienced errors when interacting with Copilot Chat on github.com and Copilot Cloud Agent. During this time, users were unable to use Copilo...
Apr 22, 06:05 PM
investigatingCopilot cloud agent and chat are mitigated for github.com.
Apr 22, 05:49 PM
investigatingWe are now seeing recovery for Copilot cloud agent.
+5 more updates

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