Get inspired by five of the most memorable, magical, and quirky Universe sessions to date. The post GitHub Universe is back: We want you to take the stage appeared first on The GitHub Blog.

Discover how Rubber Duck provides a different perspective to GitHub Copilot CLI. The post GitHub Copilot CLI combines model families for a second opinion appeared first on The GitHub Blog.

The path to better performance is often found in simplicity. The post The uphill climb of making diff lines performant appeared first on The GitHub Blog.

Recent attacks on open source focus on exfiltrating secrets; here are the prevention steps you can take today, plus a look at the security capabilities GitHub is working on. The post Securing the open source supply chain across GitHub appeared first on The GitHub Blog.

/fleet lets Copilot CLI dispatch multiple agents in parallel. Learn how to write prompts that split work across files, declare dependencies, and avoid common pitfalls. The post Run multiple agents at once with /fleet in Copilot CLI appeared first on The GitHub Blog.

I used coding agents to build agents that automated part of my job. Here's what I learned about working better with coding agents. The post Agent-driven development in Copilot Applied Science appeared first on The GitHub Blog.

Learn how to secure your projects and keep them safe with GitHub Advanced Security. The post GitHub for Beginners: Getting started with GitHub security appeared first on The GitHub Blog.

A look at GitHub Actions’ 2026 roadmap, outlining how secure defaults, policy controls, and CI/CD observability harden the software supply chain end to end. The post What’s coming to our GitHub Actions 2026 security roadmap appeared first on The GitHub Blog.

Reviewed advisories hit a four-year low, malware advisories surged, and CNA publishing grew—here’s what changed and what it means for your triage and response. The post A year of open source vulnerability trends: CVEs, advisories, and malware appeared first on The GitHub Blog.

From April 24 onward, interaction data—specifically inputs, outputs, code snippets, and associated context—from Copilot Free, Pro, and Pro+ users will be used to train and improve our AI models unless they opt out. The post Updates to GitHub Copilot interaction data usage policy appeared first on Th...

Learn how to integrate the Copilot SDK into a React Native app to generate AI-powered issue summaries, with production patterns for graceful degradation and caching. The post Building AI-powered GitHub issue triage with the Copilot SDK appeared first on The GitHub Blog.

CodeQL and AI‑powered detections work together in GitHub Code Security to identify vulnerabilities across more languages and frameworks. The post GitHub expands application security coverage with AI‑powered detections appeared first on The GitHub Blog.

As contribution volume grows, mentorship signals are harder to read. The 3 Cs framework helps maintainers mentor more strategically... without burning out. The post Rethinking open source mentorship in the AI era appeared first on The GitHub Blog.

An inside look at repository-native orchestration with GitHub Copilot and the design patterns behind multi-agent workflows that stay inspectable, predictable, and collaborative. The post How Squad runs coordinated AI agents inside your repository appeared first on The GitHub Blog.

See how GitHub is investing in open source security funding maintainers, partnering with Alpha-Omega, and expanding access to help reduce burden and strengthen software supply chains. The post Investing in the people shaping open source and securing the future together appeared first on The GitHub B...

Set up your first GitHub Actions workflow in this how-to guide. The post GitHub for Beginners: Getting started with GitHub Actions appeared first on The GitHub Blog.

AI automates triage for accessibility feedback, allowing us to focus on fixing barriers—turning a chaotic backlog into continuous, rapid resolutions. The post Continuous AI for accessibility: How GitHub transforms feedback into inclusion appeared first on The GitHub Blog.

In February, we experienced six incidents that resulted in degraded performance across GitHub services. The post GitHub availability report: February 2026 appeared first on The GitHub Blog.

GitHub recently experienced several availability incidents. We understand the impact these outages have on our customers and are sharing details on the stabilization work we’re prioritizing right now. The post Addressing GitHub’s recent availability issues appeared first on The GitHub Blog.

AI is shifting from prompt-response interactions to programmable execution. See how the GitHub Copilot SDK enables agentic workflows directly inside your applications. The post The era of “AI as text” is over. Execution is the new interface. appeared first on The GitHub Blog.

GitHub Agentic Workflows are built with isolation, constrained outputs, and comprehensive logging. Learn how our threat model and security architecture help teams run agents safely in GitHub Actions. The post Under the hood: Security architecture of GitHub Agentic Workflows appeared first on The Git...

GitHub Security Lab Taskflow Agent is very effective at finding Auth Bypasses, IDORs, Token Leaks, and other high-impact vulnerabilities. The post How to scan for vulnerabilities with GitHub Security Lab’s open source AI-powered framework appeared first on The GitHub Blog.

How Copilot code review helps teams keep up with AI-accelerated code changes. The post 60 million Copilot code reviews and counting appeared first on The GitHub Blog.

Developers connected to Andela share how they’re learning AI tools inside real production workflows. The post Scaling AI opportunity across the globe: Learnings from GitHub and Andela appeared first on The GitHub Blog.

Here's how we the search experience better, faster, and more resilient for GHES customers. The post How we rebuilt the search architecture for high availability in GitHub Enterprise Server appeared first on The GitHub Blog.

GitHub Copilot Dev Days is a global series of hands-on, in-person, community-led events designed to help developers explore real-world, AI-assisted coding. The post Join or host a GitHub Copilot Dev Days event near you appeared first on The GitHub Blog.

Learn how to get organized and collaborate more efficiently with this step-by-step tutorial. The post GitHub for Beginners: Getting started with GitHub Issues and Projects appeared first on The GitHub Blog.

A hands-on guide to using GitHub Copilot CLI to move from intent to reviewable changes, and how that work flows naturally into your IDE and GitHub. The post From idea to pull request: A practical guide to building with GitHub Copilot CLI appeared first on The GitHub Blog.

GitHub Copilot coding agent now includes a model picker, self-review, built-in security scanning, custom agents, and CLI handoff. Here's what's new and how to use it. The post What’s new with GitHub Copilot coding agent appeared first on The GitHub Blog.

Most multi-agent workflow failures come down to missing structure, not model capability. Learn the three engineering patterns that make agent systems reliable. The post Multi-agent workflows often fail. Here’s how to engineer ones that don’t. appeared first on The GitHub Blog.

AI is rewiring developer preferences through convenience loops. Octoverse 2025 reveals how AI compatibility is becoming the new standard for technology choice. The post How AI is reshaping developer choice (and Octoverse data proves it) appeared first on The GitHub Blog.

Let’s dig into the 2025’s open source data on GitHub to see what we can learn about the future. The post What to expect for open source in 2026 appeared first on The GitHub Blog.

Learn how The GitHub Secure Open Source Fund helped 67 critical AI‑stack projects accelerate fixes, strengthen ecosystems, and advance open source resilience. The post Securing the AI software supply chain: Security results across 67 open source projects appeared first on The GitHub Blog.

Discover GitHub Agentic Workflows, now in technical preview. Build automations using coding agents in GitHub Actions to handle triage, documentation, code quality, and more. The post Automate repository tasks with GitHub Agentic Workflows appeared first on The GitHub Blog.

Open source is hitting an “Eternal September.” As contribution friction drops, maintainers are adapting with new trust signals, triage approaches, and community-led solutions. The post Welcome to the Eternal September of open source. Here’s what we plan to do for maintainers. appeared first on The G...

In January, we experienced two incidents that resulted in degraded performance across GitHub services. The post GitHub availability report: January 2026 appeared first on The GitHub Blog.

Think of Continuous AI as background agents that operate in your repository for tasks that require reasoning. The post Continuous AI in practice: What developers can automate today with agentic CI appeared first on The GitHub Blog.

Claude by Anthropic and OpenAI Codex are now available in public preview on GitHub and VS Code with a Copilot Pro+ or Copilot Enterprise subscription. Here's what you need to know and how to get started today. The post Pick your agent: Use Claude and Codex on Agent HQ appeared first on The GitHub Bl...

What languages are growing fastest, and why? What about the projects that people are interested in the most? Where are new developers cutting their teeth? Let’s take a look at Octoverse data to find out. The post What the fastest-growing tools reveal about how software is being built appeared first...

A senior engineer's guide to architecting and extending Copilot's real-world applications. The post How to maximize GitHub Copilot’s agentic capabilities appeared first on The GitHub Blog.

Learn how GitHub built an accessible, multi-terminal-safe ASCII animation for the Copilot CLI using custom tooling, ANSI color roles, and advanced terminal engineering. The post From pixels to characters: The engineering behind GitHub Copilot CLI’s animated ASCII banner appeared first on The GitHub...

Discover the latest trends and insights on public software development activity on GitHub with data from the Innovation Graph through Q3 2025. The post Year recap and future goals for the GitHub Innovation Graph appeared first on The GitHub Blog.

Anders Hejlsberg shares lessons from C# and TypeScript on fast feedback loops, scaling software, open source visibility, and building tools that last. The post 7 learnings from Anders Hejlsberg: The architect behind C# and TypeScript appeared first on The GitHub Blog.

Read GitHub’s position on the European Open Digital Ecosystem Strategy and learn how to participate. The post Help shape the future of open source in Europe appeared first on The GitHub Blog.

Explore the GitHub Copilot CLI and try interacting with Copilot directly from your terminal. The post Power agentic workflows in your terminal with GitHub Copilot CLI appeared first on The GitHub Blog.

Now in technical preview, the GitHub Copilot SDK can plan, invoke tools, edit files, and run commands as a programmable layer you can use in any application. The post Build an agent into any app with the GitHub Copilot SDK appeared first on The GitHub Blog.

Run tests, fix code, and get support—right in your workflow. Stay focused and let Copilot handle the busywork. The post A cheat sheet to slash commands in GitHub Copilot CLI appeared first on The GitHub Blog.

Learn how we are using the newly released GitHub Security Lab Taskflow Agent to triage categories of vulnerabilities in GitHub Actions and JavaScript projects. The post AI-supported vulnerability triage with the GitHub Security Lab Taskflow Agent appeared first on The GitHub Blog.

Learn how I managed context to keep Copilot focused, used the Plan agent to sharpen vague requirements, and required Test Driven Development practices to catch bugs before users. The post Context windows, Plan agent, and TDD: What I learned building a countdown app with GitHub Copilot appeared first...

Copilot’s cross-agent memory system lets agents learn and improve across your development workflow, starting with coding agent, CLI, and code review. The post Building an agentic memory system for GitHub Copilot appeared first on The GitHub Blog.

User feedback led us to clean up outdated mitigations. See why observability and lifecycle management are critical for defense systems. The post When protections outlive their purpose: A lesson on managing defense systems at scale appeared first on The GitHub Blog.

In December, we experienced five incidents that resulted in degraded performance across GitHub services. The post GitHub Availability Report: December 2025 appeared first on The GitHub Blog.

Announcing GitHub Security Lab Taskflow Agent, an open source and collaborative framework for security research with AI. The post Community-powered security with AI: an open source framework for security research appeared first on The GitHub Blog.

AI is designed to help you do what you love most, not replace your expertise. Discover how developer feedback and real-world experience are shaping AI coding tools that keep you in control. The post What AI is actually good for, according to developers appeared first on The GitHub Blog.

Learn how custom instructions, reusable prompts, and custom agents help GitHub Copilot deliver more accurate results. The post Want better AI outputs? Try context engineering. appeared first on The GitHub Blog.

Out of more than 700 games submitted to Game Off 2025, these ten winners stand out for creativity, craft, and bold interpretations of the WAVES theme. All are free to play, with source code available to explore. The post Light waves, rising tides, and drifting ships: Game Off 2025 winners appeared f...

AI is settling the “typed vs. untyped” debate by turning type systems into the safety net for code you didn’t write yourself. The post Why AI is pushing developers toward typed languages appeared first on The GitHub Blog.

Explore the GitHub Blog’s top posts covering the biggest software development topics of the year. The post Agentic AI, MCP, and spec-driven development: Top blog posts of 2025 appeared first on The GitHub Blog.

Learn why some long-enrolled OSS-Fuzz projects still contain vulnerabilities and how you can find them. The post Bugs that survive the heat of continuous fuzzing appeared first on The GitHub Blog.

An easy-to-remember acronym, WRAP will help you write effective issues, refine your instructions, and get the most out of Copilot coding agent. The post WRAP up your backlog with GitHub Copilot coding agent appeared first on The GitHub Blog.

Security advice for users and maintainers to help reduce the impact of the next supply chain malware attack. The post Strengthening supply chain security: Preparing for the next malware campaign appeared first on The GitHub Blog.

Looking ahead to the New Year? These GitHub Podcast episodes help you cut through the noise and build with more confidence across AI, open source, and developer tools. The post 5 podcast episodes to help you build with confidence in 2026 appeared first on The GitHub Blog.

From Appwrite to Zulip, Universe 2025’s Open Source Zone was stacked with standout projects showing just how far open source can go. Meet the maintainers—and if you want to join them in 2026, you can now apply for next year’s cohort. The post This year’s most influential open source projects appeare...

We envision the future of AI-enabled tooling to look like near-effortless engineering for sustainability. We call it Continuous Efficiency. The post The future of AI-powered software optimization (and how it can help your team) appeared first on The GitHub Blog.

A look at how we rebuilt GitHub Actions’ core architecture and shipped long-requested upgrades to improve performance, workflow flexibility, reliability, and everyday developer experience. The post Let’s talk about GitHub Actions appeared first on The GitHub Blog.

In November, we experienced three incidents that resulted in degraded performance across GitHub services. The post GitHub Availability Report: November 2025 appeared first on The GitHub Blog.

MCP is moving to the Linux Foundation. Here's how that will affect developers. The post MCP joins the Linux Foundation: What this means for developers building the next era of AI tools and agents appeared first on The GitHub Blog.