The uphill climb of making diff lines performant
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.
GitHub Blog Articles
Updated 3 min ago · 10 articles from GitHub Blog
Securing the open source supply chain across GitHub
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 GitHu...
Run multiple agents at once with /fleet in Copilot CLI
/fleet lets Copilot CLI dispatch multiple agents in parallel. Learn how to write prompts that split work across files, declare dependencies, and avoid common...
Agent-driven development in Copilot Applied Science
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 deve...
GitHub for Beginners: Getting started with GitHub security
Learn how to secure your projects and keep them safe with GitHub Advanced Security. The post GitHub for Beginners: Getting started with GitHub security appea...
What’s coming to our GitHub Actions 2026 security roadmap
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. ...
A year of open source vulnerability trends: CVEs, advisories, and malware
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 respons...
Updates to GitHub Copilot interaction data usage policy
From April 24 onward, interaction data—specifically inputs, outputs, code snippets, and associated context—from Copilot Free, Pro, and Pro+ users will be use...
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Building AI-powered GitHub issue triage with the Copilot SDK
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 ...
GitHub expands application security coverage with AI‑powered detections
CodeQL and AI‑powered detections work together in GitHub Code Security to identify vulnerabilities across more languages and frameworks. The post GitHub expa...
