91
Git’s database internals I: packed object store
This blog series will examine Git’s internals to help make your engineering system more efficient. Part I discusses how Git stores its data in packfiles using custom compression techniques.
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
92
Security keys are now supported for SSH Git operations
You can now use FIDO2 security keys to authenticate over SSH for remote Git operations, providing a higher level of account security.
93
A bug related to handling of authenticated sessions
On the evening of March 8, we invalidated all authenticated sessions on GitHub.com created prior to 12:03 UTC on March 8 out of an abundance of caution.
94
Nbdev: A literate programming environment that democratizes best practices
Learn about nbdev, a new literate programming environment for Python.
95
GitHub Copilot: The Agent Awakens
Introducing agent mode for GitHub Copilot in VS Code, announcing the general availability of Copilot Edits, and providing a first look at our SWE agent.
96
Dependabot version updates introduce default package cooldown
Dependabot now waits until a new release has been available on its registry for at least three days before opening a version update pull request. This cooldown is now the…
97
Update on an Employee Matter
On Friday, January 8th, GitHub separated with an employee. Later that day and over the weekend, employees raised concerns about the circumstances of the separation. We took these concerns seriously.…
98
Why Write ADRs
How architecture decision records can help your team.
99
GitHub Supports Web Authentication (WebAuthn) for Security Keys
The WebAuthn standard for security keys is making authentication as easy as possible. Now you can use security keys for second-factor authentication on GitHub with many more browsers and devices.
100
Improve Git monorepo performance with a file system monitor
Monorepo performance can suffer due to the sheer number of files in your working directory. Git’s new builtin file system monitor makes it easy to speed up monorepo performance.
101
Highlights from Git 2.28
The open source Git project just released Git 2.28 with features and bug fixes from over 58 contributors, 13 of them new. We last caught up with you on the…
102
Git.io deprecation: Active links to be maintained in a read-only state
2022-04-27 Update: While the git.io url redirection service is read-only and use of the service is limited, we have received feedback from developers and academic researchers who have published git.io…
103
Improving Git protocol security on GitHub
We’re changing which keys are supported in SSH and removing unencrypted Git protocol. If you’re an SSH user, read on for the details and timeline.
104
Thank you to our maintainers
To celebrate Maintainer Month, GitHub has invested an additional $500,000 to help sponsor the open source projects that it depends on.
105
GitHub merge queue is generally available
Supercharge pull request merges on your busiest branches by enabling your team to queue.
106
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…
107
GitHub: Private Profiles beta
Users now have the ability to turn their GitHub profile “private”, which gives users controls over features that share user data across the GitHub platform. To enable this setting, visit…
108
Secret scanning is now available for free on public repositories
Previously, only organizations with GitHub Advanced Security could enable secret scanning's user experience on their repositories. Now, any admin of a public repository on GitHub.com can detect leaked secrets in…
109
Access Control for GitHub Pages
GitHub Pages now gives you the option to limit access, making the site visible only to users with access to the repository that published the Page. With access control, you…
110
Enabling the Future of GitHub's REST API with API Versioning
We’re introducing calendar-based versioning for our REST API, so we can keep evolving our API, whilst still giving integrators a smooth migration path and plenty of time to update their integrations.
111
Enabling IPv6 support for GitHub Pages
GitHub Pages now supports IPv6 for all Pages hosted on *.github.io and custom domains. Documentation for enabling IPv6 with custom domains can be found here.
112
Bringing supply chain security features to the Go community
GitHub’s supply chain security features are now available for Go modules, which will help the Go community discover, report & prevent vulnerabilities.
113
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…
114
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…
115
Mona Sans and Hubot Sans
Learn how to use and express yourself with GitHub’s open source variable fonts, Mona Sans and Hubot Sans.
116
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.
117
Auf Wiedersehen, GitHub
I am stepping down as GitHub CEO to build my next adventure. GitHub is thriving and has a bright future ahead.
118
Git 2.33
The open source Git project just released Git 2.33, with features and bug fixes from over 74 contributors. Here's a look at some of the most interesting features and changes.
119
GitHub Actions update: Helping maintainers combat bad actors
The trustworthiness of our platform is crucial, and our team is committed to developer productivity and Actions performing the way we intended.
120
From object transition to RCE in the Chrome renderer
In this post, I'll exploit CVE-2024-5830, a type confusion in Chrome that allows remote code execution (RCE) in the renderer sandbox of Chrome by a single visit to a malicious site.