GitHub
@github

The AI-powered developer platform to build, scale, and deliver secure software.

 San Francisco, CA
github.com
Joined February 2008
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GitHub
@github
Sep 30
👋 Project HydraFusion is now available in the GitHub Copilot app and @code. Choose it like any other model. Behind the scenes it routes your task across multiple models to draft, critique, revise, or escalate, then hands you one result. github.blog/changelog/2026-0…
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Git 2.56 is here. ⚡ The new git add --resolved stages only paths that are still marked as conflicted, and refuses to stage them if conflict markers remain. One merge-base case dropped from 0.68s to 0.01s. The highlights 👇 github.blog/open-source/git/…

Highlights from Git 2.56

The open source Git project just released Git 2.56. Here is GitHub's look at some of the most interesting features and changes introduced since last time.

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Cool it on the tab hopping 🐇 Reviewing agent code usually means switching tabs. The GitHub Copilot app puts the diff, terminal, and browser side by side to check, run, and preview. github.blog/ai-and-ml/github…
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GitHub retweeted
Sameen Karim
@sameenkarim
Oct 2
gh stack CLI now supports git worktrees 🥞 You can manage stacks where each branch is in a separate worktree, while still taking advantages of things like cascading stack rebases github.com/github/gh-stack/r…
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💾 Save the date: GitHub Game Off returns November 1. The theme? █████ Join the jam now and be the first to know the theme when the clock strikes 13:37 PT. itch.io/jam/game-off-2026

Game Off 2026

A game jam from 2026-11-01 to 2027-01-01 hosted by GitHub. Game Off is an annual game jam challenging individuals and teams to build a game during the month of November. Use whatever programming...

itch.io
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Project HydraFusion and new models arrived in the Copilot model picker. Have you tried them out? 👀
Article

September 2026 Ship Log

🧪 Project HydraFusion expands to more Copilot surfaces The research preview for Project HydraFusion is now available in the GitHub Copilot app and @code. Rather than being a single model, it

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📣 We’re giving away ONE general admission pass to #GitHubUniverse this year! 👉 US 18+. Ends October 5 2026. Enter here: gh.io/win 📋 Rules: gh.io/rules
Mona is set against a colorful background of abstract shapes. The top of the image displays the GitHub logo and the text "UNIVERSE '26." The bottom right corner shows the date "Oct 28-29, 2026.

ALT Mona is set against a colorful background of abstract shapes. The top of the image displays the GitHub logo and the text "UNIVERSE '26." The bottom right corner shows the date "Oct 28-29, 2026.

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The left side of the image shows "Me on September 30" with the GitHub logo and the right side of the image shows "Me on October 1" with the GitHub logo in orange.

ALT The left side of the image shows "Me on September 30" with the GitHub logo and the right side of the image shows "Me on October 1" with the GitHub logo in orange.

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Just one command can help you stop leaking secrets into your public code. Give your repositories essential security hygiene with gh-secure from the GitHub Security Lab. ✅ Install and use it in the Copilot app, Copilot CLI, or GitHub CLI. gh.io/gh-secure
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What was your first pull request?
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For @openclaw, success really is the journey.
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Learn more about the making of one of GitHub's most starred repos. piped.video/watch?v=5VSwaUXt…

OpenClaw Went Viral. Meet the Maintainers Building and Securing It.

Sit down with OpenClaw creator Peter Steinberger and key maintainer...

youtube.com
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More coffee = more contributions #NationalCoffeeDay
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📣 @OpenAIDevs GPT-6.1 Sol is now generally available in GitHub Copilot. You can use it for agentic coding and terminal workflows with strong multistep coding performance. In early testing, it reliably completed tasks while using noticeably fewer tokens and steps than earlier models in the GPT-6 and GPT-5.6 families. Try it out in the GitHub Copilot app, CLI, and @code. github.blog/changelog/2026-0…
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Write it down, give it to GitHub Copilot, automate it. ✅ One marketer turned repetitive event ops into a single GitHub Issue form that runs itself. ⬇️ github.blog/ai-and-ml/github…

Marketing ops as code: Automating events from planning to follow-up on GitHub

If you can write down how you do your work, you can automate it. Here's what I did to support GitHub's APAC marketing team.

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GitHub retweeted
Camilla Moraes
@moraes_c_
Sep 28
Two Issues updates are now generally available: 1. Create private saved views to personalize how you track repository issues. 2. “Relates to” relationships now work across the REST and GraphQL APIs, webhooks, timeline events, Issues search, and Projects search. Keep the feedback coming - what else do you want to see in Issues?
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🆕 @AnthropicAI's Claude Sonnet 5.5 is now generally available in GitHub Copilot. Designed for well-scoped everyday work like building features and fixing bugs, Claude Sonnet 5.5 stood out for its efficiency in our early testing: It matched Sonnet 5 on coding tasks while using significantly fewer steps, tokens, and tool calls. Plus, it finished tasks noticeably faster. ⚡️ Try it out in the GitHub Copilot app, CLI, and @code. github.blog/changelog/2026-0…

Claude Sonnet 5.5 in GitHub Copilot - GitHub Changelog

Claude Sonnet 5.5, Anthropic’s newest Sonnet model, is now generally available in GitHub Copilot. It is designed for well-scoped everyday work like building features and fixing bugs. In our early…

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Did you know? You can run agents in parallel in the GitHub Copilot app. Each session gets its own Git worktree and context, so you can build, review, and test all at the same time. Here's how to get started 👇 github.blog/ai-and-ml/github…
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Learn more about the GitHub Copilot app and Copilot CLI with your community. 💡 Join an in-person event near you! ⬇️ gh.io/join-dev-days
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Attendees sit in a bright classroom.

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Chat, tell us: Is chat always the right UI? @burkeholland argues no, not when we have canvases in the GitHub Copilot app.
Article

When chat is the wrong UI

What is a developer to do when they need something more tangible than a chat box? Enter canvases. By @burkeholland We’re 176 years into this AI experiment. Wait…it’s only been three years? Are you

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