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Past GitHub Incidents

Source: Official GitHub status page
Start Time (UTC)Incident Deep LinkImpactDurationDescription
2025-07-03 05:39 Disruption with some GitHub services
minor
1 hr, 33 mins

On 7/3/2025, between 5:21:17 AM and 7:11:49 AM UTC, customers were prevented from SSO authorizing Personal Access...

2025-07-02 16:09 Disruption with some GitHub services
minor
14 mins

On July 2, 2025, between 1:35 AM UTC and 16:23 UTC, the GitHub Enterprise Importer (GEI) migration service experi...

2025-07-02 09:54 Disruption with some GitHub services
minor
22 mins

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A deta...

2025-06-30 19:13 Disruption with Claude 3.7 Sonnet in Copilot Chat
minor
42 mins

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A deta...

2025-06-30 19:00 Incident With Actions
none
0 second

Due to a degradation of one instance of our internal message delivery service, a percentage of jobs started betwe...

2025-06-26 23:05 Disruption with some GitHub services
minor
28 mins

On June 26, 2025, between 17:10 UTC and 23:30 UTC, around 40% of attempts to create a repository from a template ...

2025-06-26 14:42 GitHub Enterprise Importer delays
minor
3 hrs, 23 mins

On June 26th, between 14:42UTC and 18:05UTC, the GitHub Enterprise Importer (GEI) service was in a degraded state...

2025-06-24 10:55 Repository Navigation Bar Missing in GitHub Enterprise Cloud
minor
1 hr, 31 mins

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A deta...

2025-06-20 10:49 Disruption with the GitHub mobile android application
minor
31 mins

Between June 19th, 2025 11:35 UTC and June 20th, 2025 11:20 UTC the GitHub Mobile Android application was unable ...

2025-06-18 22:39 Disruption with some GitHub services
minor
34 mins

On June 18, 2025 between 22:20 UTC and 23:00 UTC the Claude Sonnet 3.7 and Claude Sonnet 4 models for GitHub Copi...

2025-06-18 16:46 Partial Actions Cache degradation
minor
2 hrs, 1 min

On June 18, 2025, between 08:21 UTC and 18:47 UTC, some Actions jobs experienced intermittent failures downloadin...

2025-06-18 16:21 Partial Degradation in Issues Experience
minor
1 hr, 21 mins

On June 18, 2025, between 15:15 UTC and 19:29 UTC, the Issues service was degraded, and certain GraphQL queries a...

2025-06-17 19:42 Incident with multiple GitHub services
major
40 mins

On June 17, 2025, between 19:32 UTC and 20:03 UTC, an internal routing policy deployment to a subset of network d...

2025-06-12 18:50 Incident with Actions
minor
1 hr, 36 mins

Multiple services critical to GitHub's attestation infrastructure experienced an outage which prevented Fulcio fr...

2025-06-12 18:19 Some Copilot chat models are failing requests
major
2 hrs, 48 mins

<p>On June 12, 2025, between 17:55 UTC and 21:07 UTC the GitHub Copilot service was degraded and experienced unav...

2025-06-10 18:17 Disruption with some GitHub services
minor
7 hrs, 34 mins

Between 2025-06-10 12:25 UTC and 2025-06-11 01:51 UTC, GitHub Enterprise Cloud (GHEC) customers with approximatel...

2025-06-10 17:47 Codespaces billing is delayed
minor
1 hr, 21 mins

On June 10, 2025, between 12:15 UTC and 19:04 UTC, Codespaces billing data processing experienced delays due to c...

2025-06-10 14:28 Incident with Pull Requests
minor
18 mins

On June 10, 2025, between 14:28 UTC and 14:45 UTC the pull request service experienced a period of degraded perfo...

2025-06-06 23:00 Incident With Copilot
none
0 second

On June 6, 2025, an update to mitigate a previous incident led to automated scaling of database infrastructure us...

2025-06-06 09:58 Incident with Copilot
minor
2 hrs, 42 mins

On June 6, 2025, between 00:21 UTC to 12:40 UTC the Copilot service was degraded and a subset of Copilot Free use...

2025-06-05 18:00 Incident with Actions
major
1 hr, 29 mins

On June 5th, 2025, between 17:47 UTC and 19:20 UTC the Actions service was degraded, leading to run start delays ...

2025-06-04 15:15 Incident with Actions
minor
40 mins

On June 4, 2025, between 14:35 UTC and 15:50 UTC , the Actions service experienced degradation, leading to run st...

2025-05-30 11:20 Disruption with some GitHub services
major
4 hrs, 37 mins

On May 30, 2025, between 08:10 UTC and 16:00 UTC, the Microsoft Teams GitHub integration service experienced a co...

2025-05-29 21:30 [Scheduled] Codespaces Scheduled Maintenance
maintenance
31 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-05-28 16:30 [Scheduled] Codespaces Scheduled Maintenance
maintenance
24 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-05-28 11:11 Disruption with some GitHub services
major
3 hrs, 32 mins

On May 28, 2025, from approximately 09:45 UTC to 14:45 UTC, GitHub Actions experienced delayed job starts for wor...

2025-05-27 12:26 Incident with Actions
minor
1 hr, 5 mins

On May 27, 2025, between 09:31 UTC and 13:31 UTC, some Actions jobs experienced failures uploading to and downloa...

2025-05-27 12:20 Disruption with some GitHub services
minor
21 mins

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A deta...

2025-05-27 10:00 [Retroactive] Incident with Git Operations
none
0 second

Between 10:00 and 20:00 UTC on May 27, a change to our git proxy service resulted in some git client implementati...

2025-05-26 07:21 We're experiencing errors
minor
2 hrs, 56 mins

On May 26, 2025, between 06:20 UTC and 09:45 UTC GitHub experienced broad failures across a variety of services (...

2025-05-23 18:21 Disruption with some GitHub services
minor
12 mins

On May 23, 2025, between 17:40 UTC and 18:30 UTC public API and UI requests to read and write Git repository cont...

2025-05-22 07:42 Delayed GitHub Actions Jobs
minor
1 hr, 35 mins

On May 22, 2025, between 07:06 UTC and 09:10 UTC, the Actions service experienced degradation, leading to run sta...

2025-05-21 09:00 Incident with Webhooks
none
0 second

A change to the webhooks UI removed the ability to add webhooks. The timeframe of this impact was between May 20t...

2025-05-20 19:37 Incident with Copilot
minor
25 mins

On May 20, 2025, between 18:18 UTC and 19:53 UTC, Copilot Code Completions were degraded in the Americas. On aver...

2025-05-20 13:10 Elevated error rates for Claude Sonnet 3.7
minor
2 hrs, 58 mins

On May 20, 2025, between 12:09 PM UTC and 4:07 PM UTC, the GitHub Copilot service experienced degraded availabili...

2025-05-16 13:46 GitHub Enterprise Importer (GEI) is experiencing degraded throughput
minor
12 hrs, 41 mins

Between May 16, 2025, 1:21 PM UTC and May 17, 2025, 2:26 AM UTC, the GitHub Enterprise Importer service was degra...

2025-05-16 09:22 Disruption with some GitHub services
minor
6 hrs, 2 mins

On May 16th, 2025, between 08:42:00 UTC and 12:26:00 UTC, the data store powering the Audit Log API service exper...

2025-05-15 12:41 Disruption with Gemini 2.5 Pro
minor
10 hrs, 17 mins

Between May 15, 2025 10:10 UTC and May 15, 2025 22:58 UTC the Copilot service was degraded and returned a high vo...

2025-05-15 07:00 Disruption with some GitHub services
minor
3 hrs, 38 mins

On May 15, 2025, between 00:08 AM UTC and 10:21 AM UTC, customers were unable to create fine-grained Personal Acc...

2025-05-14 16:30 [Scheduled] Codespaces Scheduled Maintenance
maintenance
24 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-05-14 14:39 Disruption with Gemini 2.5 Pro model
minor
10 hrs, 23 mins

Between May 14, 2025 14:16 UTC and May 15, 2025 01:02 UTC the Copilot service was degraded and returned a high vo...

2025-05-12 14:53 Disruption with some GitHub services
minor
13 mins

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A deta...

2025-05-08 15:20 Incident with Git Operations
minor
1 hr, 7 mins

On May 8, 2025, between 14:40 UTC and 16:27 UTC the Git Operations service was degraded causing some pushes and m...

2025-05-07 16:30 [Scheduled] Codespaces Scheduled Maintenance
maintenance
24 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-05-01 22:28 Issue Attachments Failing to Upload
major
45 mins

On May 1, 2025 from 22:09 UTC to 23:13 UTC, the Issues service was degraded and users weren't able to upload atta...

2025-04-30 20:51 Disruption with Pull Request Ref Updates
minor
14 mins

On April 30, 2025, between 8:02 UTC and 9:05 UTC, the Pull Requests service was degraded and failed to update ref...

2025-04-29 10:05 Delays for web and email notification delivery
minor
2 hrs, 47 mins

On April 29th, 2025, between 8:40am UTC and 12:50pm UTC the notifications service was degraded and stopped delive...

2025-04-28 08:03 Incident with Git Operations, API Requests and Issues
minor
3 hrs, 6 mins

On April 28th, 2025, between 4AM and 11AM UTC, ~0.5% of customers experienced HTTP 500 or 429 responses for raw f...

2025-04-23 21:38 Disruption with some GitHub services
major
42 mins

Starting at 19:13:50 UTC, the service responsible for importing Git repositories began experiencing errors that i...

2025-04-23 07:17 Incident with Issues, API Requests and Pages
major
43 mins

On April 23, 2025, between 07:00 UTC and 07:20 UTC, multiple GitHub services experienced degradation caused by re...