GitHub Outage History

174 incidents recorded over the last 365 days, 174 of them resolved. Durations are measured from when PulsAPI first saw the problem to when it cleared, which is usually longer than the vendor's own figure.

Live GitHub status96.83% uptime history

Every Recorded GitHub Incident

GitHub incidents, newest first, with date, duration and status.
DateIncidentDurationStatus
Aug 24, 2026Degraded Git Operations over SSHOn August 21, 2026, between 14:00 and 14:07 UTC, dotcom Git operations over SSH were degraded. Successful Git operations over SSH fell by more than 95% for during the peak impact window, making clone, fetch, or push…-3919 minResolved
Aug 24, 2026Elevated errors on Fable 5 due to upstream providerThis 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.46 minResolved
Aug 20, 2026Intermittent failures creating agent tasksThis 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.9h 54mResolved
Aug 18, 2026Incident with ActionsOn August 18, 2026, between 05:02 UTC and 11:30 UTC, customers were unable to run jobs on Actions Larger Runners and were unable to view or manage Actions Runners and Runner Groups through the GitHub UI and API. <br…46 minResolved
Aug 18, 2026Intermittent failures in runner group and runner-related permissions pagesOn August 18, 2026, between 05:02 UTC and 11:30 UTC, customers were unable to view or manage Actions Runners and Runner Groups through the GitHub UI and API. <br /><br />The issue was caused by failures in backend…4h 2mResolved
Aug 17, 2026Incident with GitHub.comOn August 17, 2026, from 13:28–21:15 UTC (7h 47m), GitHub.com experienced elevated errors and latency across Issues, Pull Requests, APIs, Actions, and Copilot. At peak, web/API error rates were approximately 20%, while…7h 35mResolved
Aug 13, 2026Disruption with GHEC Team SyncThis 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.2h 6mResolved
Aug 13, 2026Incident with WebhooksThis 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.50 minResolved
Aug 13, 2026Errors with the Fable 5 Model in CopilotThis 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.1h 3mResolved
Aug 12, 2026Disruption with Login and Release Asset downloadsThis 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.1h 17mResolved
Aug 12, 2026Incident with Pull Requests and IssuesBetween 16:03 and 16:29 UTC on August 12, some users encountered errors when viewing pull requests, issues, and search results. During this period, about 1.9% of Pull Request requests and 0.9% of Issues requests failed…25 minResolved
Aug 11, 2026Incident with GraphQL API RequestsOn August 11, 2026, between 14:00 UTC and 16:00 UTC the GraphQL API service was degraded and customers in saw higher than normal timeouts. On average, the timeout rate was 0.06% and peaked at 0.14% of requests routing…5h 16mResolved
Aug 10, 2026Disruption with Copilot for access to some modelsThis 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.1h 23mResolved
Aug 10, 2026Disruption with creation of fine grained personal access tokensOn August 10, 2026, between 17:16 and 18:21 UTC, users were unable to create new fine-grained personal access tokens (FG PAT) through the GitHub website. When a user submitted the FG PAT creation form, they were…44 minResolved
Aug 6, 2026Incident with ActionsOn August 6, 2026, between 15:05 UTC and 00:14 UTC on August 7, GitHub Actions experienced degraded availability. During the incident, workflow runs failed or remained queued for an extended period of time. Customers…10h 41mResolved
Aug 6, 2026Incident with Pages - Deployment LagOn August 6, 2026, at 07:00 UTC, a configuration change inadvertently reduced the capacity of the service that processes GitHub Pages deployments. As traffic increased over the following hours, latency in the deployment…1h 19mResolved
Aug 5, 2026Some Copilot Cloud Agent jobs not startingOn August 5, 2026, between 11:02 and 11:54 UTC, the GitHub Copilot cloud agent service was degraded and new cloud agent jobs were delayed from starting. During this period 100% of newly submitted agent jobs were…1h 21mResolved
Aug 3, 2026Incident with CopilotOn 2026-08-03, between 06:52 and 11:25 UTC, some GitHub Copilot users experienced errors when using chat and agent features. Requests to list the available models failed, and because every chat or agent interaction…1h 31mResolved
Aug 1, 2026Incident with Copilot AI Model ProvidersOn August 1, 2026, between 17:47 UTC and 18:20 UTC, users of the Fable 5 model in GitHub Copilot experienced increased request failures and latency. The average failure rate across all Copilot requests was 0.007%, while…41 minResolved
Aug 1, 2026Degraded availability GPT 5.6 LunaOn August 1st, 2026, the GPT-5.6 Luna model in GitHub Copilot experienced degraded availability in intermittent time intervals between ~08:05 UTC and ~16:30 UTC. Specifically the timeframes observed were 10:00-10:20…1h 13mResolved
Jul 30, 2026Copilot model Claude Fable 5 experiencing elevated errorsOn July 30, 2026, the Claude Fable 5 model in GitHub Copilot experienced degraded availability for approximately 73 minutes, from 08:33 to 09:46 UTC. During this time, requests to Claude Fable 5 in Copilot chat and IDE…1h 4mResolved
Jul 29, 2026Incident with Copilot AI Model ProvidersOn July 29, 2026, between 19:45 UTC and 21:51 UTC, users of the Fable 5 model in GitHub Copilot experienced increased request failures and latency. The average failure rate across all Copilot requests was 0.006%, while…1h 44mResolved
Jul 29, 2026Incident with ActionsOn July 29, 2026, from 14:51 UTC to 15:28 UTC, GitHub Actions experienced elevated REST API request timeouts and errors, failures registering runners, and delayed workflow run starts for customers whose traffic was…34 minResolved
Jul 27, 2026Test Incident Posted in Error – No Customer Impact (Will Be Removed)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.5 minResolved
Jul 27, 2026Incident with GraphQL API RequestsOn July 26, 2026 at 21:34 UTC we began seeing intermittent errors on the GitHub GraphQL API. A subset of GraphQL API requests returned HTTP 502 errors in short bursts. During the impact window an average of 0.09% of…15 minResolved
Jul 25, 2026Actions run failures and delaysPlease refer to the combined summary in this related incident: https://www.githubstatus.com/incidents/s65j9gslmfm841 minResolved
Jul 25, 2026Several GPT models degradedOn July 25, 2026, between 09:07 and 10:04 UTC, the GPT-5.2, GPT-5.3-Codex, GPT-5.4, GPT-5.4 Mini, GPT-5.6 Sol, GPT-5.6 Terra and GPT-5.6 Luna models experienced degraded availability in GitHub Copilot products and IDE…28 minResolved
Jul 25, 2026Incident with ActionsOn July 25, 2026, GitHub Actions experienced two related periods of degradation that caused some workflow runs to be delayed by more than 5 minutes or end with infrastructure failures. <br /><br />First period (08:45 –…25 minResolved
Jul 24, 2026Incident with Pull RequestsBetween July 24, 19:17 UTC and July 24, 20:02 UTC, users were unable to create pull requests due to a database schema change. In total, 113,930 pull request creation attempts were impacted across 50,904 users, with an…45 minResolved
Jul 24, 2026Disruption with some GitHub servicesOn July 24th at 16:04 UTC, a loss of connectivity occurred in network paths in one of our three physical data center availability zones (AZs). This resulted in packet loss due to the remaining active paths becoming…1h 19mResolved
Jul 24, 2026Incident With Blocked GitHub.com TrafficBetween July 23, 2026 at 18:45 UTC and July 24, 2026 at 11:19 UTC, an abuse mitigation update caused some legitimate customers whose traffic was routed through our Central Europe and South America edge locations to be…-296 minResolved
Jul 23, 2026Latency issues across a number of servicesOn July 23, 2026, between 07:08 and 09:39 UTC, several services experienced delays: 8% of actions workflow runs experienced an average run start delay of 10 minutes, 5% of webhook deliveries exceeded SLO, and code…1h 45mResolved
Jul 22, 2026Disruption with actions hosted runnersOn July 22, 2026, between 19:36 UTC and 22:04 UTC, GitHub Actions experienced delayed and failed job starts on GitHub-hosted runners. The incident was caused by an unhealthy state in a backend data service responsible…1h 25mResolved
Jul 21, 2026Some SSH connections using deploy keys are failingOn July 21, 2026, between 07:41 UTC and 11:57 UTC, the SSH Authentication service was degraded and some SSH connections failed to authenticate. On average, 12.2% of SSH authentication requests failed, peaking at 15.7%…1h 25mResolved
Jul 20, 2026Disruption with GPT 5.3 CodexBetween 06:39 and 18:11 UTC on July 20, 2026, the Copilot service experienced a degradation of the GPT 5.3 model due to an issue with our upstream provider. The upstream model provider returned intermittent errors for…2h 33mResolved
Jul 20, 2026Disruption with some GitHub servicesBetween July 19, 2026, at 23:05 UTC and July 20, 2026, at 03:55 UTC, Actions self-hosted and larger runners were unable to connect to GitHub. During this period, Actions jobs were delayed or failed when trying to…1h 20mResolved
Jul 19, 2026Incident with GitHub ActionsBetween July 19, 2026, at 23:05 UTC and July 20, 2026, at 03:55 UTC, Actions self-hosted and larger runners were unable to connect to GitHub. During this period, Actions jobs were delayed or failed when trying to…5h 9mResolved
Jul 16, 2026Degraded REST API AvailabilityFrom 22:21 UTC - 23:50 UTC on July 16, 2026, the REST API experienced significant degradation. During this period, about 39% of REST API requests failed with HTTP 500 level responses, with the errors peaking at 44.3%…1h 22mResolved
Jul 16, 2026Claude Fable 5 experiencing degraded performanceOn July 16, 2026, GitHub Copilot users experienced elevated errors when using Claude Fable 5 from 17:33 UTC until mitigation at 22:04 UTC. The average error rate was 1.4%, with a maximum error rate of 30.85%. The issue…59 minResolved
Jul 16, 2026Disruption with some GitHub servicesOn July 16, 2026, between 08:50 UTC and 09:50 UTC, the GitHub MCP Server’s web_search tool experienced elevated failures. The average error rate was 42% and peaked at 82% of requests to the tool. Other GitHub MCP Server…3h 7mResolved
Jul 14, 2026Incident with WebhooksOn July 14, 2026, between 15:17 and 15:37 UTC, a rollout to GitHub's internal webhook delivery pipeline caused a subset of webhook delivery records to not be written to our webhook deliveries store after being processed…23 minResolved
Jul 14, 2026Disruption with some GitHub servicesOn July 14, 2026, the GitHub Codespaces service was degraded during two periods — between 06:00 UTC and 09:56 UTC, and again between 10:54 UTC and 12:53 UTC — and some users experienced intermittent failures or delays…1h 35mResolved
Jul 13, 2026Actions runs are experiencing failures to startOn July 13, 2026, between 13:11 and 13:53 UTC, some customers experienced failures starting and running GitHub Actions workflows, which also affected Copilot cloud agent sessions and GitHub Pages builds since they…21 minResolved
Jul 9, 2026Delays starting Actions runsOn July 9, 2026, between 03:29 UTC and 13:39 UTC, GitHub Actions experienced delayed and failed job starts on GitHub-hosted runners. The incident was caused by an unhealthy state in a backend data service responsible…9h 17mResolved
Jul 7, 2026Actions and Codespaces APIs experiencing partial failuresOn July 7, 2026, between 14:01 UTC and 16:17 UTC the Actions and Codespaces REST APIs were degraded and returned intermittent 500-class errors for a percentage of requests. Error rates peaked at approximately 8% of…2h 2mResolved
Jul 2, 2026Incident with PagesOn July 2nd, 2026, between approximately 15:00 and 18:30 UTC, the GitHub Pages service experienced degraded deployment performance due to a surge in demand that exceeded available processing capacity. During this…1h 31mResolved
Jul 1, 2026Delays in copilot budget limits resets for some usersOn July 1, 2026, between approximately 00:00 UTC and 13:04 UTC, some GitHub Copilot customers whose budget was exhausted before the monthly reset remained incorrectly blocked from paid Copilot usage after the new…2h 34mResolved
Jun 30, 2026Disruption with some GitHub services - Signup FlowBetween 15:19 UTC and 15:49 UTC on June 30, 2026, users were unable to complete the signup flow for GitHub.com/signup. Approximately 62% of new user signups failed for about 30 minutes during this window.<br /><br…10 minResolved
Jun 28, 2026Disruption with some GitHub servicesFrom June 26, 2026 at 23:40 UTC through June 28, 2026 at 20:55 UTC, Copilot Cloud Agent was degraded. The agent could fail when reporting progress, replying to pull request comments, or opening pull requests. For…3h 5mResolved
Jun 27, 2026Disruption with some GitHub servicesThis incident was used to notify for a maintenance event. There is no specific root cause analysis. Work progressed as planned without any issues to report.6h 30mResolved
Jun 25, 2026Degradation with Webhooks, Pull Requests and ActionsOn June 25, 2026, between 17:33 UTC and 17:55 UTC, our background job service experienced degradation which increased delays to pull requests, repository pushes, Actions workflows, and Webhooks, with delays peaking at…37 minResolved
Jun 23, 2026We are seeing elevated errors with Next Edit Suggestions and CompletionsOn June 23, 2026, between 22:45 and 23:29 UTC, GitHub Copilot Completions and Next Edit Suggestions were degraded for users in all regions. During this window, affected users may have seen failed or missing code…24 minResolved
Jun 19, 2026Incident With WebhooksOn June 17, 2026, between 11:35 UTC and 19:20 UTC, the Webhooks service was degraded and delivered webhook payloads with missing installation information. On average, 11.3% of webhook deliveries were impacted. Customers…-2618 minResolved
Jun 17, 2026Disruption with Copilot next edit suggestionsOn June 17, 2026, between 16:57 UTC and 19:14 UTC, Copilot code completions were degraded and users were unable to receive Next Edit Suggestions. Standard ghost text code completions were not affected. This was due to a…1h 30mResolved
Jun 17, 2026Incident with Copilot AvailabilityOn June 17, 2026, between approximately 03:35 UTC and 04:44 UTC, GitHub Copilot was degraded and most of its frontier chat models were temporarily unavailable across all regions. During this window, affected models…53 minResolved
Jun 16, 2026Disruption with some GitHub servicesOn June 16, 2026, between 17:20 UTC and 18:15 UTC, the Opus 4.8 model experienced degraded availability in GitHub Copilot. During this window, some requests to Opus 4.8 failed or errored. Other Copilot models were not…29 minResolved
Jun 15, 2026Multiple services have elevated errors and endpoint failures when checking feature flagsBetween 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 encountered a…38 minResolved
Jun 15, 2026Increased latency with webhooksOn June 15, 2026, between 15:27 UTC and 16:23 UTC, GitHub webhook deliveries were delayed. During this window, webhook events were delivered later than normal, with average end-to-end delivery latency peaking at…2h 0mResolved
Jun 11, 2026Incident with WebhooksOn June 11, 2026, between 19:28 UTC and 21:06 UTC, GitHub webhook deliveries were delayed. Average delivery latency peaked at approximately 3.4 minutes, with some deliveries delayed by as much as 62 minutes at the 99th…2h 37mResolved
Jun 10, 2026Authentication issues related to API requestsBetween 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 intermittent "logged out"…1h 18mResolved
Jun 9, 2026Degraded availability for GitHub.com, GraphQL API, and Webhooks UI/APIOn 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 capacity issue that…-1488 minResolved
Jun 8, 2026Elevated rate of Git push errorsOn 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. The incident was…-20454 minResolved
Jun 8, 2026Disruption with Claude Opus 4.7On 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 issue that caused…57 minResolved
Jun 8, 2026Pull Requests and Issues unavailable for signed-out usersOn 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 related GitHub.com…1h 24mResolved
Jun 6, 2026Disruption with some GitHub services in the EU regionOn 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 issue affected users…14 minResolved
Jun 6, 2026EU Network MaintenanceThis 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 planned.3h 17mResolved
Jun 5, 2026Auth issue resulting in API impacts, including some Slack and Teams channel subscriptionsOn 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 - users authenticating…5h 0mResolved
Jun 4, 2026Live updates degradedEverything is operating normally.11 minResolved
Jun 4, 2026Copilot Code Review FailingOn 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 requesting a code…1h 56mResolved
Jun 3, 2026Disruption with some GitHub servicesBetween 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, with delays…8h 29mResolved
Jun 3, 2026Disruption with some GitHub servicesOn 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 could still make…3h 33mResolved
Jun 1, 2026Delays with Code Scanning and BillingStarting 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 insufficient queue…9h 0mResolved
May 28, 2026Elevated error rates across multiple servicesOn 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 errors for…-243 minResolved
May 28, 2026Disruption with OpenAI ModelsOn 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-Codex, GPT-5.4, and…1h 40mResolved
May 28, 2026Incident with CopilotOn 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 Copilot API requests…-13390 minResolved
May 28, 2026Webhook APIs and UI DegradedOn 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 error rate was…18 minResolved
May 27, 2026Incident with Pull Requests, Issues, Git Operations and API RequestsOn 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, operations that…1h 6mResolved
May 26, 2026Disruption with some GitHub servicesOn 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 the service. This…51 minResolved
May 26, 2026Incident with Actions and PagesOn 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 required…2h 21mResolved
May 23, 2026Intermittent errors with app installation token authenticationOn 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/authenticating-as-a-gi…3h 31mResolved
May 20, 2026Incident with ActionsOn 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 scale set jobs…3h 15mResolved
May 15, 2026Actions is experiencing degraded availabilityOn 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 incident was triggered…34 minResolved
May 15, 2026[Retroactive] Incident with GitHub.comBeginning 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 rooted in a sudden spike…-60 minResolved
May 13, 2026Incident with CodeQLOn 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 due to an internal…1h 22mResolved
May 12, 2026Incident with CodeQL, Webhooks, Notifications, and Slack IntegrationOn 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, notifications took an…3h 5mResolved
May 11, 2026Incident with high errors on Git OperationsOn 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 resource exhaustion in…8 minResolved
May 7, 2026CCR and CCA failing to start for PR commentsOn 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-up recovery work…1h 54mResolved
May 6, 2026Incident with Pull RequestsOn 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 previously created…3h 39mResolved
May 6, 2026Disruption with some GitHub servicesOn 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 users from creating…38 minResolved
May 6, 2026Incident with Actions, we are investigating reports of degraded availabilityOn 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 an unexpected data…2h 25mResolved
May 5, 2026Increased Latency and Failures for SSH Git OperationsBetween 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 SSH write requests…1h 46mResolved
May 5, 2026Incident with ActionsOn 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 Larger Runners with…3h 48mResolved
May 4, 2026Incident with Issues and WebhooksOn 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 critical…54 minResolved
Apr 28, 2026Incomplete pull request results in repositoriesOn 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 by a manually…61h 57mResolved
Apr 28, 2026Disruption with some GitHub servicesOn 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 jobs using Ubuntu…3h 9mResolved
Apr 27, 2026Disruption with some GitHub servicesOn 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 all entry points…2h 14mResolved
Apr 27, 2026GitHub search is degradedOn 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. This resulted in…6h 15mResolved
Apr 27, 2026Disruption with some GitHub servicesWe are investigating reports of degraded performance for Actions2355h 34mResolved
Apr 24, 2026Delays with Actions Jobs for Larger Runners using VNet Injection in the East US regionOn 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 without a failover…5h 33mResolved
Apr 23, 2026Incident with Pull RequestsOn 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 produced incorrect merge…1h 52mResolved
Apr 23, 2026Disruption with users unable to start Claude and Codex agent task from the webBetween 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 routes task creation…13 minResolved
Apr 23, 2026Incident with multiple GitHub servicesOn 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 infrastructure in our VA3…1h 18mResolved
Apr 23, 2026Investigating errors on GitHubOn 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 github.com users…38 minResolved
Apr 22, 2026Disruption with some GitHub servicesOn 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 issue comments…2h 50mResolved
Apr 22, 2026Disruption with Copilot chat and Copilot Coding AgentOn 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 Copilot Chat or Copilot…3h 42mResolved
Apr 21, 2026Disruption with projects serviceOn April 21, 2026, between 13:35 UTC and 01:24 UTC the following day the projects service was degraded. During this time period, projects may have been out of sync and users may have experienced delays in changes to…10h 20mResolved
Apr 20, 2026Partial degradation for code scanning default setup and for code qualityOn April 20, 2026 between 10:28 UTC and 15:04 UTC GitHub experienced degraded service for code scanning default setup, code quality, and project boards. Repair of affected project boards additionally lasted until April…15h 36mResolved
Apr 17, 2026Disruption with some GitHub servicesOn April 17, 2026, between 14:46 UTC and 15:12 UTC, users experienced a degraded web experience on GitHub.com. During this time, approximately 1.5% of web requests resulted in errors, with some users encountering slow…21 minResolved
Apr 16, 2026Incident with CodespacesOn April 16, 2026 between 09:30 UTC and 17:15 UTC, users experienced failures when attempting to connect to GitHub Codespaces via the VS Code editor. During this time, approximately 40% of codespace start operations…3h 21mResolved
Apr 14, 2026Disruption with some GitHub servicesOn April 14, between 00:58 UTC and 06:08 UTC, GitHub Enterprise Cloud customers experienced 500 errors when attempting to access Copilot Insights pages which was caused by an authentication failure in our metrics…4h 10mResolved
Apr 13, 2026Incident with PagesOn Sunday April 13th, 2026, between 18:53 UTC and 20:30 UTC, the GitHub Pages service experienced elevated error rates. On average, the error rate was 10.58% and peaked at 12.77% of requests to the service, resulting in…39 minResolved
Apr 13, 2026Disruption with some GitHub servicesOn April 13, 2026, between 14:41 UTC and 17:29 UTC, the Copilot service experienced degraded performance. All Copilot users were impacted by increased latency, and approximately 20% experienced request failures when…58 minResolved
Apr 10, 2026Problems with third-party Claude and Codex Agent sessions not being listed in the agents tab dashboardOn April 9, 2026, between 22:59 UTC and April 10, 2026, 13:24 UTC, the Copilot Mission Control service was degraded and did not display Claude and Codex Cloud Agent sessions in the agents tab dashboard. Customers were…21 minResolved
Apr 9, 2026Disruption with some GitHub servicesOn April 9, 2026, between 16:05 UTC and 20:36 UTC, the Copilot cloud agent service was degraded, causing new agent sessions to be delayed or fail to start. Users who attempted to start Copilot cloud agent sessions…4h 16mResolved
Apr 9, 2026Disruption with some GitHub servicesOn April 9, 2026, between 09:05 UTC and 19:05 UTC, the Copilot coding agent service was degraded and users experienced significant delays starting new agent sessions. Approximately 84% of new agent session requests were…25 minResolved
Apr 9, 2026Disruption with GitHub notificationsOn April 9, 2026, between 03:22 UTC and 04:49 UTC, GitHub Notifications experienced degraded availability. During this time, approximately 45% of requests to the notifications service returned errors, with a peak error…15 minResolved
Apr 2, 2026Disruption with some GitHub servicesBetween 15:20 and 20:18 UTC on Thursday April 2, Copilot Cloud Agent entered a period of reduced performance. Due to an internal feature being developed for Copilot Code Review, the Copilot Cloud Agent infrastructure…3h 59mResolved
Apr 2, 2026Copilot Coding Agent failing to start some jobsBetween 15:20 and 20:18 UTC on Thursday April 2, Copilot Cloud Agent entered a period of reduced performance. Due to an internal feature being developed for Copilot Code Review, the Copilot Cloud Agent infrastructure…12 minResolved
Apr 1, 2026GitHub audit logs are unavailableOn April 1, 2026, between 15:34 UTC and 16:02 UTC, our audit log service lost connectivity to its backing data store due to a failed credential rotation. During this 28-minute window, audit log history was unavailable…4 minResolved
Apr 1, 2026Disruption with GitHub's code searchOn April 1st, 2026 between 14:40 and 17:00 UTC the GitHub code search service had an outage which resulted in users being unable to perform searches.<br /><br />The issue was initially caused by an upgrade to the code…8h 42mResolved
Apr 1, 2026Incident with CopilotOn April 1, 2026, between 07:29 and 12:41 UTC, some customers experienced elevated 5xx errors and increased latency when using GitHub Copilot features that rely on `/agents/sessions` endpoints (including creating or…2h 43mResolved
Mar 31, 2026Incident with Pull Requests: High percentage of 500sOn Monday March 31st, 2026, between 13:53 UTC and 21:23 UTC the Pull Requests service experienced elevated latency and failures. On average, the error rate was 0.15% and peaked at 0.28% of requests to the service. This…6h 18mResolved
Mar 31, 2026Issues with metered billing report generationOn March 31, 2026, between 06:15 UTC and 15:30 UTC, the GitHub billing usage reports feature was degraded due to reduced server capacity. Customers requesting billing usage reports and loading the top usage by…1h 22mResolved
Mar 30, 2026Elevated delays in Actions workflow runs and Pull Request status updatesOn March 30, 2026, between 10:11 UTC and 13:25 UTC, GitHub Actions experienced degraded performance. During this time, approximately 2.65% of workflow jobs triggered by pull request events experienced start delays…23 minResolved
Mar 27, 2026Incident with CopilotOn March 27, 2026, from 02:30 to 04:56 UTC, a misconfiguration in our rate limiting system caused users on Copilot Free, Student, Pro, and Pro+ plans to experience unexpected rate limit errors. The configuration that…-822 minResolved
Mar 24, 2026Disruption with some GitHub servicesThis 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.37 minResolved
Mar 24, 2026Teams Github Notifications App is downOn March 24, 2026, between 15:57 UTC and 19:51 UTC, the Microsoft Teams Integration and Teams Copilot Integration services were degraded and unable to deliver GitHub event notifications to Microsoft Teams. On average…2h 51mResolved
Mar 22, 2026Disruption with some GitHub servicesOn March 22, 2026, between 09:05 UTC and 10:02 UTC, users may have experienced intermittent errors and increased latency when performing Git http read operations. On average, the error rate was 3.84% and peaked at…53 minResolved
Mar 20, 2026Disruption with Copilot Coding Agent SessionsOn March 19, 2026, between 01:05 UTC and 02:52 UTC, and again on March 20, 2026, between 00:42 UTC and 01:58 UTC, the Copilot Coding Agent service was degraded and users were unable to start new Copilot Agent sessions…1h 0mResolved
Mar 19, 2026Git operations for users in the west coast are experiencing an increase in latencyOn March 19, 2026 between 16:10 UTC and 00:05 UTC (March 20), Git operations (clone, fetch, push) from the US west coast experienced elevated latency and degraded throughput. Users reported clone speeds dropping from…7h 40mResolved
Mar 19, 2026Issues with Copilot Coding AgentOn March 19, 2026, between 01:05 UTC and 02:52 UTC, and again on March 20, 2026, between 00:42 UTC and 01:58 UTC, the Copilot Coding Agent service was degraded and users were unable to start new Copilot Agent sessions…48 minResolved
Mar 19, 2026Disruption with Copilot Coding Agent sessionsOn March 19, 2026, between 01:05 UTC and 02:52 UTC, and again on March 20, 2026, between 00:42 UTC and 01:58 UTC, the Copilot Coding Agent service was degraded and users were unable to start new Copilot Agent sessions…46 minResolved
Mar 18, 2026Disruption with some GitHub servicesOn March 19, 2026 between 16:10 UTC and 00:05 UTC (March 20), Git operations (clone, fetch, push) from the US west coast experienced elevated latency and degraded throughput. Users reported clone speeds dropping from…3h 7mResolved
Mar 18, 2026Webhook delivery is delayedOn March 18, 2026, between 18:18 UTC and 19:46 UTC all webhook deliveries experienced elevated latency. During this time, average delivery latency increased from a baseline of approximately 5 seconds to a peak of…55 minResolved
Mar 16, 2026Errors starting and connecting to CodespacesOn 16 March 2026, between 14:16 UTC and 15:18 UTC, Codespaces users encountered a download failure error message when starting newly created or resumed codespaces. At peak, 96% of the created or resumed codespaces were…27 minResolved
Mar 13, 2026Degraded performance for various servicesOn March 13, 2026, between 13:35 UTC and 16:02 UTC, a configuration change to an internal authorization service reduced its processing capacity below what was needed during peak traffic. This caused intermittent…1h 2mResolved
Mar 12, 2026Degraded Codespaces experienceOn March 12, 2026, between 01:00 UTC and 18:53 UTC, users saw failures downloading extensions within created or resumed codespaces. Users would see an error when attempting to use an extension within VS Code. Active…5h 46mResolved
Mar 12, 2026Actions failures to download (401 Unauthorized)On March 12, 2026 between 02:30 and 06:02 UTC some GitHub Apps were unable to mint server to server tokens, resulting in 401 Unauthorized errors. During the outage window, ~1.3% of requests resulted in 401 errors…1h 15mResolved
Mar 12, 2026Disruption with some GitHub servicesBetween 01:36 and 08:11 UTC on Thursday March 12, GitHub.com experienced elevated error rates across Git operations, web requests, and related services. During a planned infrastructure upgrade, a configuration issue…51 minResolved
Mar 11, 2026Incident with API RequestsOn March 11, 2026, between 14:25 UTC and 14:34 UTC, the REST API platform was degraded, resulting in increased error rates and request timeouts. REST API 5xx error rates peaked at ~5% during the incident window with two…24 minResolved
Mar 11, 2026Degraded experience with Copilot Code ReviewOn March 11, 2026, between 13:00 UTC and 15:23 UTC the Copilot Code Review service was degraded and experienced longer than average review times. On average, Copilot Code Review requests took 4 minutes and peaked at…1h 27mResolved
Mar 10, 2026Incident With WebhooksOn March 10, 2026, between 23:00 UTC and 23:40 UTC, the Webhooks service was degraded and ~6% of users experienced intermittent errors when accessing webhook delivery history, retrying webhook deliveries, and listing…0 minResolved
Mar 9, 2026Incident with WebhooksOn March 9, 2026, between 15:03 and 20:52 UTC, the Webhooks API experienced was degraded, resulted in higher average latency on requests and in certain cases error responses. Approximately 0.6% of total requests…1h 13mResolved
Mar 9, 2026Incident with CodespacesOn March 9, 2026, between 01:23 UTC and 03:25 UTC, users attempting to create or resume codespaces in the Australia East region experienced elevated failures, peaking at a 100% failure rate for this region. Codespaces…47 minResolved
Mar 6, 2026Incident with WebhooksOn March 6, 2026, between 16:16 UTC and 23:28 UTC the Webhooks service was degraded and some users experienced intermittent errors when accessing webhook delivery histories, retrying webhook deliveries, and listing…6h 30mResolved
Mar 5, 2026Actions is experiencing degraded availabilityOn March 5, between 22:39 and 23:55 UTC, Actions was degraded due to a repeat of an incident a few hours prior. In this case, a Redis cluster topology change made as a follow-up to the earlier incident caused a repeat…1h 1mResolved
Mar 5, 2026Multiple services are affected, service degradationOn Mar 5, 2026, between 16:24 UTC and 19:30 UTC, Actions was degraded. During this time, 95% of workflow runs failed to start within 5 minutes with an average delay of 30 minutes and 10% workflow runs failed with an…2h 55mResolved
Mar 5, 2026Disruption with some GitHub servicesOn March 5, 2026, between 12:53 UTC and 13:35 UTC, the Copilot mission control service was degraded. This resulted in empty responses returned for users' agent session lists across GitHub web surfaces. Impacted users…16 minResolved
Mar 5, 2026Some OpenAI models degraded in CopilotOn March 5th, 2026, between approximately 00:26 and 00:44 UTC, the Copilot service experienced a degradation of the GPT 3.5 Codex model due to an issue with our upstream provider. Users encountered elevated error rates…25 minResolved
Mar 3, 2026Claude Opus 4.6 Fast not appearing for some Copilot usersOn March 3, 2026, between 19:44 UTC and 21:05 UTC, some GitHub Copilot users reported that the Claude Opus 4.6 Fast model was no longer available in their IDE model selection. After investigation, we confirmed that this…39 minResolved
Mar 3, 2026Incident with all GitHub servicesOn March 3, 2026, between 18:46 UTC and 20:09 UTC, GitHub experienced a period of degraded availability impacting GitHub.com, the GitHub API, GitHub Actions, Git operations, GitHub Copilot, and other dependent services…1h 9mResolved
Mar 2, 2026Delayed visibility of newly added issues on project boardsBetween March 2, 21:42 UTC and March 3, 05:54 UTC project board updates, including adding new issues, PRs, and draft items to boards, were delayed from 30 minutes to over 2 hours, as a large backlog of messages…6h 43mResolved
Mar 2, 2026Incident with Pull Requests /pullsOn March 2nd, 2026, between 7:10 UTC and 22:04 UTC the pull requests service was degraded. Users navigating between tabs on the pull requests dashboard were met with 404 errors or blank pages.<br /><br />This was due to…2h 53mResolved
Feb 27, 2026Incident with Copilot agent sessionsOn February 27, 2026, between 22:53 UTC and 23:46 UTC, the Copilot coding agent service experienced elevated errors and degraded functionality for agent sessions. Approximately 87% of attempts to start or interact with…30 minResolved
Feb 27, 2026Code view fails to load when content contains some non-ASCII charactersStarting February 26, 2026 at 22:10 UTC through February 27, 05:50 UTC, the repository browsing UI was degraded and users were unable to load pages for files and directories with non-ASCII characters (including…2h 55mResolved
Feb 27, 2026High latency on webhook API requestsBetween February 26, 2026 UTC and February 27, 2026 UTC, customers hitting the webhooks delivery API may have experienced higher latency or failed requests. During the impact window, 0.82% of requests took longer than…2 minResolved
Feb 26, 2026Incident with CopilotOn February 26, 2026, between 09:27 UTC and 10:36 UTC, the GitHub Copilot service was degraded and users experienced errors when using Copilot features including Copilot Chat, Copilot Coding Agent and Copilot Code…44 minResolved
Feb 25, 2026Incident with Copilot Agent Sessions impacting CCA/CCROn February 25, 2026, between 15:05 UTC and 16:34 UTC, the Copilot coding agent service was degraded, resulting in errors for 5% of all requests and impacting users starting or interacting with agent sessions. <br /><br…6 minResolved
Feb 23, 2026Incident with Issues and Pull Requests SearchOn February 23, 2026, between 21:01 UTC and 21:30 UTC the Search service experienced degraded performance, resulting in an average of 3.5% of search requests for Issues and Pull Requests being rejected. During this…13 minResolved
Feb 23, 2026Code search experiencing degraded performanceBetween 2026-02-23 19:10 and 2026-02-24 00:46 UTC, all lexical code search queries in GitHub.com and the code search API were significantly slowed, and during this incident, between 5 and 10% of search queries timed…4h 46mResolved
Feb 23, 2026Incident with ActionsOn February 23, 2026, between 15:00 UTC and 17:00 UTC, GitHub Actions experienced degraded performance. During the time, 1.8% of Actions workflow runs experienced delayed starts with an average delay of 15 minutes. The…46 minResolved
Feb 23, 2026Incident with CopilotOn February 23, 2026, between 14:45 UTC and 16:19 UTC, the Copilot service was degraded for Claude Haiku 4.5 model. On average, 6% of the requests to this model failed due to an issue with an upstream provider. During…1h 23mResolved
Feb 20, 2026Extended job start delays for larger hosted runnersOn February 20, 2026, between 17:45 UTC and 20:41 UTC, 4.2% of workflows running on GitHub Larger Hosted Runners were delayed by an average of 18 minutes. Standard, Mac, and Self-Hosted Runners were not impacted. <br…41 minResolved
Feb 20, 2026Incident with Copilot GPT-5.1-CodexOn February 20, 2026, between 07:30 UTC and 11:21 UTC, the Copilot service experienced a degradation of the GPT 5.1 Codex model. During this time period, users encountered a 4.5% error rate when using this model. No…1h 39mResolved
Feb 18, 2026Degraded performance in merge queueOn February 17, 2026, between 17:07 UTC and 19:06 UTC, some customers experienced intermittent authentication failures affecting GitHub Actions, parts of Git operations, and other authentication-dependent requests. On…54 minResolved
Feb 17, 2026Intermittent authentication failures on GitHubOn February 17, 2026, between 17:07 UTC and 19:06 UTC, some customers experienced intermittent authentication failures affecting GitHub Actions, parts of Git operations, and other authentication-dependent requests. On…1h 20mResolved
Feb 13, 2026Disruption with some GitHub services regarding file uploadOn February 13, 2026, between 21:46 UTC and 22:58 UTC (72 minutes), the GitHub file upload service was degraded and users uploading from a web browser on GitHub.com were unable to upload files to repositories, create…28 minResolved
Feb 12, 2026Disruption with some GitHub servicesBetween February 11th 21:30 UTC and February 12th 15:40 UTC, users in Western Europe experienced degraded quality for all Next Edit Suggestions requests. Additionally, on February 12th, between 18:40 UTC and 20:30 UTC…1h 58mResolved
Feb 12, 2026Intermittent disruption with Copilot completions and inline suggestionsBetween February 11th 21:30 UTC and February 12th 15:40 UTC, users in Western Europe experienced degraded quality for all Next Edit Suggestions requests. Additionally, on February 12th, between 18:40 UTC and 20:30 UTC…2h 43mResolved
Feb 12, 2026Disruption with some GitHub servicesFrom Feb 12, 2026 09:16:00 UTC to Feb 12, 2026 11:01 UTC, users attempting to download repository archives (tar.gz/zip) that include Git LFS objects received errors. Standard repository archives without LFS objects were…33 minResolved
Feb 12, 2026Incident with CodespacesOn February 12, 2026, between 00:51 UTC and 09:35 UTC, users attempting to create or resume Codespaces experienced elevated failure rates across Europe, Asia and Australia, peaking at a 90% failure rate.<br /><br />The…2h 2mResolved
Feb 11, 2026Disruption with some GitHub servicesOn February 11 between 16:37 UTC and 00:59 UTC the following day, 4.7% of workflows running on GitHub Larger Hosted Runners were delayed by an average of 37 minutes. Standard Hosted and self-hosted runners were not…6h 1mResolved
Feb 11, 2026Incident with API RequestsOn February 11, 2026, between 13:51 UTC and 17:03 UTC, the GraphQL API experienced degraded performance due to elevated resource utilization. This resulted in incoming client requests waiting longer than normal, timing…1h 48mResolved
Feb 11, 2026Incident with CopilotOn February 11, 2025, between 14:30 UTC and 15:30 UTC, the Copilot service experienced degraded availability for requests to Claude Haiku 4.5. During this time, on average 10% of requests failed with 23% of sessions…19 minResolved

How to Read This GitHub Incident Log

Each row is an incident PulsAPI observed, not a summary written afterwards. The duration is wall-clock time between the first failing check and the first clean one, so it includes the window before GitHub acknowledged anything. Vendor post-mortems typically measure from acknowledgement, which is why their numbers are usually shorter.

Incidents still open have no duration yet and are listed as ongoing rather than being given a running total. The archive covers the last 365 days; anything older has aged out of the window rather than never having happened.

The longest single GitHub outage in this window ran 98d 3h, against a mean recovery of 16h 51m. If you depend on GitHub in a customer-facing path, the longest figure is the one to design around. The mean is what happens on a normal bad day; the maximum is what happens on the worst one.