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  - Career growth
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  - GitHub Education
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  Learn more
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  - Architecture & optimization
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  - Engineering principles
    Explore best practices for building software at scale with a majority remote team.
  - Infrastructure
    Get a glimpse at the technology underlying the world’s leading AI-powered developer platform.
  - Platform security
    Learn how we build security into everything we do across the developer lifecycle.
  - User experience
    Find out what goes into making GitHub the home for all developers.
- How we use GitHub to be more productive, collaborative, and secure
  Our engineering and security teams do some incredible work. Let’s take a look at how we use GitHub to be more productive, build collaboratively, and shift security left.
  Learn more
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  - DevSecOps
    How to integrate security into the SDLC.
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    Ensuring your builds stay clean.
- GitHub recognized as a Leader in the Gartner® Magic Quadrant™ for AI Code Assistants
  Learn why Gartner positioned GitHub as a Leader for the second year in a row.
  Learn more
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  - Research
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  Learn more
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    Explore open source games on GitHub.
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  Organizations worldwide are incorporating open source methodologies into the way they build and ship their own software.
  Learn more
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  - Application security
    Application security, explained.
  - Supply chain security
    Demystifying supply chain security.
  - Vulnerability research
    Updates from the GitHub Security Lab.
  - Web application security
    Helpful tips on securing web applications.
- The enterprise guide to AI-powered DevSecOps
  Learn about core challenges in DevSecOps, and how you can start addressing them with AI and automation.
  Learn more

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Home / News & insights / The library

October 22 Incident Update

All GitHub services are back to normal as of Monday (October 22) at 23:00 UTC.

Jason Warner·@jasoncwarner

October 22, 2018 | Updated December 19, 2021

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As of Monday at 23:00 UTC, all GitHub services are back to normal. We take reliability very seriously and sincerely apologize for this disruption.

Millions of people and businesses depend on GitHub, and we know that our community feels the effects of our availability issues acutely. We are conducting a thorough and transparent root cause analysis and mitigation plan, which will be published in the coming days.

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