OutageSCAN Investigating
Outages
Service incident and disruption tracking with status visibility for operational response teams.
25
Total Outages
18
🔍 Investigating
1
⚠️ Identified
2
âś… Resolved (24h)
Incident Status Breakdown
SCAN Investigating18 (72%)
WARN Identified1 (4%)
MON Monitoring4 (16%)
OK Resolved2 (8%)
Affected Services (6)
GitHub StatusAWS StatusGoogle CloudGCPComputeStorage
Incident Timeline
MONMonitoringLATEST
Service impact: Fable 5 and Mythos 5 Access
To support compliance with the US Government export control directive, Anthropic has asked us to revoke access to Claude Fable 5 and Claude Mythos 5 for all users in all regions. All other models, including Opus4.8, are not affected and you can continue using...
SCANInvestigating
Incident with Webhooks
Jun 11, 22:19 UTC 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. Jun 11, 20:00 UTC Monitoring - The degradation aff...
SCANInvestigating
Authentication issues related to API requests
Jun 10, 16:39 UTC 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. Jun 10, 16:37 UTC Monitoring - The degradation has...
OKResolved
Degraded availability for GitHub.com, GraphQL API, and Webhooks UI/API
Jun 8, 15:00 UTC Resolved - On 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 self-resolved wi...
SCANInvestigating
Disruption with Claude Opus 4.7
Jun 8, 10:03 UTC 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. Jun 8, 09:49 UTC Update - We are experiencing degra...
SCANInvestigating
Pull Requests and Issues unavailable for signed-out users
Jun 8, 08:36 UTC 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. Jun 8, 08:35 UTC Monitoring - The degradation affec...
SCANInvestigating
EU Network Maintenance
Jun 6, 18:49 UTC Resolved - This 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. Jun 6, 18:48 UTC Update...
SCANInvestigating
Disruption with some GitHub services in the EU region
Jun 6, 17:07 UTC Resolved - On 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 whose traffi...
SCANInvestigating
Auth issue resulting in API impacts, including some Slack and Teams channel subscriptions
Jun 5, 22:21 UTC Resolved - On 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 with user-to-...
SCANInvestigating
Copilot Code Review Failing
Jun 4, 19:59 UTC Resolved - On 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 review. During...
SCANInvestigating
Disruption with some GitHub services
Jun 4, 04:11 UTC Resolved - Between June 1, 2026, 23:00 UTC and June 4, 2026 04:11 UTC, customers experienced delays in Dependabot scheduled version updates. Pull request creation for version updates was delayed, with delays increasing over time and reaching u...
SCANInvestigating
Delays with Code Scanning and Billing
Jun 2, 00:17 UTC Resolved - Starting 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 processing cap...
SCANInvestigating
Disruption with OpenAI Models
May 28, 20:41 UTC Resolved - On 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 GPT-5.5 models....
MONMonitoring
Elevated error rates across multiple services
May 28, 19:07 UTC Resolved - On 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 dependent services i...
SCANInvestigating
Webhook APIs and UI Degraded
May 28, 01:32 UTC Resolved - On 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 0.28% and peaked...
SCANInvestigating
Incident with Pull Requests, Issues, Git Operations and API Requests
May 27, 13:16 UTC Resolved - On 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 depended on Git...
SCANInvestigating
Incident with Actions and Pages
May 26, 13:18 UTC Resolved - On 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 downloading actions fo...
OKResolved
Elevated rate of Git push errors
May 25, 09:02 UTC Resolved - On 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 caused by a r...
SCANInvestigating
Intermittent errors with app installation token authentication
May 23, 19:32 UTC Resolved - On May 23, 2026 between 06:00 UTC and 19:12 UTC, GitHub experienced intermittent errors authenticating GitHub app installation tokens. During this time, between 1-5% of app installation token authentication requests failed, with an...
SCANInvestigating
Incident with Actions
May 20, 20:14 UTC Resolved - On 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 disproportionate...
MONMonitoring
Incident with Copilot
May 19, 05:30 UTC Resolved - On 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 failed, and a...
SCANInvestigating
Actions is experiencing degraded availability
May 15, 08:48 UTC Resolved - On 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 by a planned...
WARNIdentified
[Retroactive] Incident with GitHub.com
May 15, 02:30 UTC Resolved - Beginning 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 in traffic...
SCANInvestigating
Incident with CodeQL
May 13, 16:03 UTC Resolved - On 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 database mig...
MONMonitoring
Google Cloud Services Partial Outage
Google Cloud experiencing intermittent connectivity issues affecting GCP services in US-Central region. Performance degradation reported.