1
We updated our RSA SSH host key
At approximately 05:00 UTC on March 24, out of an abundance of caution, we replaced our RSA SSH host key used to secure Git operations for GitHub.com.
The GitHub Blog
Updates, ideas, and inspiration from GitHub to help developers build and design software.
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Visit github.blog → RSS feedOn Hacker News Jan 2019 – Aug 2026
Software Engineering 96Tools & Productivity 41Security & Privacy 37Tech Industry & Business 35Infrastructure & DevOps 22Web & Frontend 21
2
GitHub Actions now supports CI/CD, free for public repositories
GitHub Actions now includes built-in CI/CD. Easily automate how you build, test, and deploy your projects on any platform, including Linux, macOS, and Windows.
3
Coming soon: Simpler pricing and a better experience for GitHub Actions
Update: We’ve read your posts and heard your feedback. We’re postponing the announced billing change for self-hosted GitHub Actions to take time to re-evaluate our approach. We are continuing to…
4
Why and how GitHub is adopting OpenTelemetry
Building on top of OpenTelemetry empowers us to provide integrated and opinionated observability solutions for our application engineers.
5
GitHub Container Registry
GitHub Container Registry introduces easy sharing across organizations, fine-grained permissions, and free, anonymous access for public container images
6
Scaling monorepo maintenance
Today, GitHub can repack even the largest repositories we host in a fraction of the time it used to take. Here's how we did it, and why.
7
GitHub Package Registry
With GitHub Package Registry your packages are at home with their code—sign up for the limited beta to try it out.
8
An update on recent service disruptions
Over the past few weeks, we have experienced multiple incidents due to the health of our database. We wanted to share what we know about these incidents while our team continues to address them.
9
Arm64 on GitHub Actions
GitHub Actions now offers Arm-hosted runners with images built by Arm for developers to begin building on the latest and most sustainable processors on the market.
10
GitHub merge queue is generally available
Supercharge pull request merges on your busiest branches by enabling your team to queue.
11
GitHub Actions: Ephemeral self-hosted runners and new webhooks for auto-scaling
GitHub Actions now supports ephemeral (i.e. single job) self-hosted runners and a new workflow_job webhook to make autoscaling your runners easier. After a job is run, ephemeral runners are automatically…
12
GitHub Linux ARM64 hosted runners now available for free in public repositories
Now in public preview, Linux arm64 hosted runners are available for free in public repositories. Following the release of arm64 larger hosted runners in June, this offering now extends to…
13
The GitHub Availability Report
What is the Availability Report? Historically, GitHub has published post-incident reviews for major incidents that impact service availability. Whether we’re sharing new investments to infrastructure or detailing site downtimes, our…
14
Debugging Network Stalls on Kubernetes
In this deep-dive, we identified and worked through sporadic latency issues with services running on Kubernetes in our environment.
15
Improving how we deploy GitHub
As GitHub doubled it’s developer head count, tooling that worked for us no longer functioned in the same capacity. We aimed to improve the deployment process for all developers at GitHub and mitigate risk associated with deploying one of the largest developer platforms in the world.
16
GitHub Actions: Organization secrets
You can now create organization secrets, reducing the need to duplicate secrets across repositories. Access policies let you control which repositories have access to the organization secret Updating a secret…
17
GitHub Package Registry Will Support Swift Packages
Today we’re excited to announce that we’ll be adding support for Swift packages to GitHub Package Registry. Swift packages make it easy to share your libraries and source code across your projects and with the Swift community.
18
Experiment: The costs of slow build times
How much does it really cost to buy more powerful cloud compute resources for development work? A lot less than you think.
19
We use GitHub Actions to build GitHub
From automating builds and releases to taking care of large-scale regression testing, here are a few ways we use GitHub Actions to build GitHub.
20
Open Source in the 5G Stack
The NTIA has requested suggestions for a challenge to accelerate development of the open 5G stack ecosystem. GitHub's submission emphasizes open source best practices.
21
Node 20 will be deprecated on GitHub Actions runners
Editor’s note (August 25, 2026): Updated the Node20 removal date to September 23rd, 2026. Editor’s note (February 25, 2026): Updated the migration date to June of 2026. Editor’s note (May…
22
Updated rate limits for unauthenticated requests
To provide a secure and dependable experience on GitHub, we’re rolling out updates to rate limits for requests made without authentication. These changes will apply to operations like cloning repositories…