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The rise of agentic software development means code is being written, reviewed, and shipped faster than ever before across the entire industry. It also means that testing frameworks need to evolve for this rapidly changing landscape. Faster development demands faster testing that can catch bugs as they…

• We’re sharing details of the role backend aggregation (BAG) plays in building Meta’s gigawatt-scale AI clusters like Prometheus.
• BAG allows us to seamlessly connect thousands of GPUs across multiple data centers and regions.
• Our BAG implementation is connecting two different network fabrics – Disaggregated Schedule Fabric (DSF) and Non-Scheduled…

Software engineering has always included work that’s repetitive, necessary, and historically difficult to automate. This isn’t because it lacks values, but because it resists deterministic rules. 

Continuous integration (CI) solved part of this by handling tests, builds, formatting, and static analysis—anything that can be described with deterministic rules. CI excels…

• We’re sharing a novel approach to enabling cross-device passkey authentication for devices with inaccessible displays (like XR devices).
• Our approach bypasses the use of QR codes and enables cross-device authentication without the need for an on-device display, while still complying with all trust and proximity requirements.
• This approach builds on…

Context switching equals friction in software development. Today, we’re removing some of that friction with the latest updates to Agent HQ which lets you run coding agents from multiple providers directly inside GitHub and your editor, keeping context, history, and review attached to your work.

Copilot Pro+ and Copilot Enterprise…

In 2025, software development crossed a quiet threshold. In our latest Octoverse report, we found that the fastest-growing languages, tools, and open source projects on GitHub are no longer about shipping more code. Instead, they’re about reducing friction in a world where AI is helping developers build more, faster.