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The source code repository for VM images used by GitHub-hosted runners for Actions and Microsoft-hosted agents for Azure Pipelines, providing pre-configured environments for Ubuntu, macOS, and Windows.

ubuntu22/20261111.360
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Latest release

ubuntu22/20261111.360Nov 12, 2026, 09:37 AM
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README

Project Overview

This repository contains the source code used to create the VM images for GitHub-hosted runners used for Actions, as well as for Microsoft-hosted agents used for Azure Pipelines.

Key Features

  • Provides multiple OS images: Ubuntu 26.04/24.04/22.04 (x64 and arm64), macOS 26/15 (x64 and arm64), Windows, and more
  • Each image comes pre-configured with common development, build, and testing tools
  • Supports both x64 and arm64 architectures
  • Referenced via YAML labels like ubuntu-latest and macos-latest in GitHub Actions workflows

Target Audience

  • GitHub Actions and Azure Pipelines users
  • DevOps engineers who need to understand or customize runner environments
  • Developers who want to build custom runner images

Quick Start

  1. Check the available images list to choose the right one
  2. Specify the image label via runs-on in your GitHub Actions workflow
  3. For custom images, refer to the build guide

Core Advantages

  • Officially maintained by GitHub
  • Covers major operating systems and architectures
  • Pre-installed with common tools for out-of-the-box use
  • Open-source and extensible

Release history

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