Highlights from Git 2.42
Another new release of Git is here! Take a look at some of our highlights on what's new in Git 2.42.
Another new release of Git is here! Take a look at some of our highlights on what's new in Git 2.42.
In this post, we'll deep dive into some interesting attacks on mTLS authentication. We'll have a look at implementation vulnerabilities and how developers can make their mTLS systems vulnerable to user impersonation, privilege escalation, and information leakages.
Get tickets to our global developer and customer event for 30% off during our Super-Early Bird special, only for a limited time.
After the last Release Radar, I promised the next one wouldn't be far away, so here it is. This is the low down on some of the best open source…
Some best practices and important defenses to prevent common attacks against GitHub Actions that are enabled by stolen personal access tokens, compromised accounts, or compromised GitHub sessions.
It was another record year for our Security Bug Bounty program! We're excited to highlight some achievements we’ve made together with the bounty community in 2022!
Introducing two new secret scanning push protection features that will enable individual developers to protect all their pushes and organizations to gain insights and trends across their repositories.
In July, we experienced one incident that resulted in degraded performance across GitHub services.
Researchers from Purdue and NCSU have found a large number of command injection vulnerabilities in the workflows of projects on GitHub. Follow these four tips to keep your GitHub Actions workflows secure.
GitHub’s design experts share 10 tips and lessons for designing magical user experiences for AI applications and AI coding tools.

Another new release of Git is here! Take a look at some of our highlights on what's new in Git 2.42.
In this post, we'll deep dive into some interesting attacks on mTLS authentication. We'll have a look at implementation vulnerabilities and how developers can make their mTLS systems vulnerable to user impersonation, privilege escalation, and information leakages.
In July, we experienced one incident that resulted in degraded performance across GitHub services.
Today, we’re announcing a private beta of GitHub Copilot with code referencing that includes a filter to detect code suggestions matching public code on GitHub.

Get tickets to our global developer and customer event for 30% off during our Super-Early Bird special, only for a limited time.
After the last Release Radar, I promised the next one wouldn't be far away, so here it is. This is the low down on some of the best open source…
It was another record year for our Security Bug Bounty program! We're excited to highlight some achievements we’ve made together with the bounty community in 2022!
Game Bytes is our monthly series taking a peek at the world of gamedev on GitHub—featuring game engine updates, game jam details, open source games, mods, maps, and more. Game on!
Another new release of Git is here! Take a look at some of our highlights on what's new in Git 2.42.
In this post, we'll deep dive into some interesting attacks on mTLS authentication. We'll have a look at implementation vulnerabilities and how developers can make their mTLS systems vulnerable to user impersonation, privilege escalation, and information leakages.
On March 13, we will officially begin rolling out our initiative to require all developers who contribute code on GitHub.com to enable one or more forms of two-factor authentication (2FA) by the end of 2023. Read on to learn about what the process entails and how you can help secure the software supply chain with 2FA.
A quick guide on the advantages of using GitHub Actions as your preferred CI/CD tool—and how to build a CI/CD pipeline with it.
In this prompt guide for GitHub Copilot, two GitHub developer advocates, Rizel and Michelle, will share examples and best practices for communicating your desired results to the AI pair programmer.
A picture tells a thousand words. Now you can quickly create and edit diagrams in markdown using words with Mermaid support in your Markdown files.


GitHub’s design experts share 10 tips and lessons for designing magical user experiences for AI applications and AI coding tools.
In the world of software development, collaboration can make the difference between a brittle last-minute release and a reliable, maintainable, pain-free project. Whether you’ve been coding for a day or a decade, your colleagues are there to help strengthen your work. But they can only help if you’ve given them the tools to do so.
Today, we’re announcing a private beta of GitHub Copilot with code referencing that includes a filter to detect code suggestions matching public code on GitHub.
We're thrilled to announce two major updates to GitHub Copilot code Completion's capabilities that will help developers work even more efficiently and effectively.
We’re launching the GitHub Copilot Trust Center to provide transparency about how GitHub Copilot works and help organizations innovate responsibly with generative AI.

Repository rules provide an easy, flexible way to define branch protections and ensure consistency in code across repositories.

All GitHub Copilot for Business users now have access to a limited GitHub Copilot Chat beta, bringing the power of conversational coding right to the IDE.


In this post, we'll deep dive into some interesting attacks on mTLS authentication. We'll have a look at implementation vulnerabilities and how developers can make their mTLS systems vulnerable to user impersonation, privilege escalation, and information leakages.
Some best practices and important defenses to prevent common attacks against GitHub Actions that are enabled by stolen personal access tokens, compromised accounts, or compromised GitHub sessions.
It was another record year for our Security Bug Bounty program! We're excited to highlight some achievements we’ve made together with the bounty community in 2022!
Introducing two new secret scanning push protection features that will enable individual developers to protect all their pushes and organizations to gain insights and trends across their repositories.
Researchers from Purdue and NCSU have found a large number of command injection vulnerabilities in the workflows of projects on GitHub. Follow these four tips to keep your GitHub Actions workflows secure.

This blog post describes two security vulnerabilities in Decidim, a digital platform for citizen participation. Both vulnerabilities were addressed by the Decidim team with corresponding update releases for the supported versions in May 2023.

Repository rules provide an easy, flexible way to define branch protections and ensure consistency in code across repositories.

Another new release of Git is here! Take a look at some of our highlights on what's new in Git 2.42.


After the last Release Radar, I promised the next one wouldn't be far away, so here it is. This is the low down on some of the best open source…


Introducing two new secret scanning push protection features that will enable individual developers to protect all their pushes and organizations to gain insights and trends across their repositories.


Researchers from Purdue and NCSU have found a large number of command injection vulnerabilities in the workflows of projects on GitHub. Follow these four tips to keep your GitHub Actions workflows secure.


GitHub switched to performing merges and rebases using merge-ort. Come behind the scenes to see why and how we made this change.

In July, we experienced one incident that resulted in degraded performance across GitHub services.
In the world of software development, collaboration can make the difference between a brittle last-minute release and a reliable, maintainable, pain-free project. Whether you’ve been coding for a day or a decade, your colleagues are there to help strengthen your work. But they can only help if you’ve given them the tools to do so.
Learn how you can structure your enterprise to get the most value out of GitHub and provide the best experience for your developers!

SELinux is the most popular Linux Security Module used to isolate and protect system components from one another. Learn about different access control systems and Linux security as I introduce the foundations of a popular type system.
Here’s how, in seven steps, I built my first browser extension with GitHub Copilot—and my three major takeaways about learning and pair programming in the age of AI.
Every student and teacher deserves the same access to GitHub Education offerings. We’ve enlisted GitHub’s Accessibility team to help identify areas for improving inclusivity.

Sharing our coalition paper to inform the final negotiation of the EU AI Act.
Have your say to protect open source in the EU.
The United States Patent and Trademark Office (USPTO) recently proposed rule changes that will make it harder to challenge low quality patents. Without the ability to quickly and efficiently challenge wrongly granted patents, innovation and developers suffer.

Get tickets to our global developer and customer event for 30% off during our Super-Early Bird special, only for a limited time.
As a design organization, we have the opportunity to make a significant impact on designing the platform for all developers. How does the emergence of creative AI impact our work? How can we achieve an inclusive experience for a spectrum of all abilities? What does designing for developer happiness look like?
Prompt engineering is the art of communicating with a generative AI model. In this article, we’ll cover how we approach prompt engineering at GitHub, and how you can use it to build your own LLM-based application.