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actions/runner-images

GitHub Actions runner images

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actions/runner-images has 13k+ stars and 3.5k+ forks on GitHub, is written in PowerShell, and was last pushed on Oct 14, 2026. Data as of . Signed-in members get hourly updates — create a free account.

Summary Information

Updated 1 hour ago
Type:Server / PlatformCategory(s):CI/CD & ReleaseContainers & RuntimesDevOps & Observability
Added to GitGenius on September 4th, 2026
Created on June 5th, 2019
Open Issues & Pull Requests: 165 (+3)
GitHub issues: Enabled
Number of forks: 3,918
Total Stargazers: 13,478 (+2)
Total Subscribers: 377 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 2.1 hours
Mean response time: 3.6 days
90th percentile: 36.7 hours
Tracked items: 1,986

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Maintainer activity

20 people did triage or write work on this repository in the last 12 months.

Counts unlabeled, assigned, unassigned, milestoned, demilestoned, locked, unlocked over the last 12 months. These are issue and pull request events that require triage or write permission. Commits and code review are not counted. labeled and renamed are excluded because GitHub issue forms record the issue author as the actor. Figures from October 11, 2026. This count is not comparable across projects: each project's automation decides which of these events a person emits.

How this project is maintained

Practically every issue opened in the past year has drawn a reply. 100% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. 20% of tracked open issues have had no activity in three months. 88% of issues opened in the past year have been closed, leaving a working backlog.

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Issue Activity (beta)

Open issues: 104
New in 7 days: 28
Closed in 7 days: 21
Avg open age: 130 days
Stale 30+ days: 45
Stale 90+ days: 18

Recent activity

Opened in 7 days: 24
Closed in 7 days: 19
Comments in 7 days: 74
Events in 7 days: 222

Top labels

  • bug report (1,101)
  • OS: Ubuntu (672)
  • OS: Windows (619)
  • OS: macOS (508)
  • feature request (473)
  • Area: OS/VM Configuration (194)
  • Area: Xcode (173)
  • Area: Other (141)

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Detailed Description

GitHub Actions Runner Images is a repository containing the source code and build configuration for virtual machine images used by GitHub-hosted runners in GitHub Actions and Microsoft-hosted agents in Azure Pipelines.

The repository addresses the need to maintain consistent, pre-configured execution environments for continuous integration and deployment workflows. It provides the image definitions and build scripts necessary to create VM images that come equipped with common development tools, runtimes, and dependencies. Users can reference these images when defining their workflow jobs, or build custom images from the source code provided in the repository.

Teams should use this repository if they need to understand what software and tools are available in GitHub-hosted runners, customize runner images for their own infrastructure, or contribute improvements to the standard images. The repository is particularly suited for organizations running Azure Pipelines who want to align their agent images with GitHub's approach, or for those building self-hosted runners who want to replicate the GitHub-hosted runner environment. The repository includes documentation on how to build VM images from the provided source code.

The project maintains active engagement with the community through issue tracking and pull requests. The codebase is primarily written in PowerShell, reflecting the need to script Windows image builds alongside Linux and macOS configurations. The repository includes comprehensive documentation covering image definitions, release information, software support policies, and frequently asked questions to help users navigate the available images and understand the build process.