C++ Team Blog

Aug 13, 2026

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Clearer Build Optimization Results with GitHub Copilot

David Li

We know that slow builds are a consistent theme in feedback from C++ developers. Your feedback helped us to shape GitHub Copilot build performance for Windows, an agent that can trace your build, find bottlenecks, apply optimizations, and measure the result. When using the agent, the clearest outcome is a straightforward win. The agent changes your project, rebuilds it, and shows how your build is made faster. Sometimes, a change may make a clean rebuild slightly slower while improving the incremental builds you run throughout the day. At other times, we also observed that optimizations may help without reachi...

Aug 11, 2026

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What’s New in vcpkg (Jul 2026)

Augustin Popa

These updates include major SBOM improvements in vcpkg-tool, 302 updated ports including multiple major library upgrades, and other minor improvements and bug fixes.

Jul 22, 2026

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Pure Virtual C++ 2026 Is a Wrap

Marian Luparu

Pure Virtual C++ 2026 is a wrap. Every featured and on-demand session is now available on YouTube — catch up on C++/Rust interop, AI-driven tooling, build performance, and more.

Jul 21, 2026

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Pure Virtual C++ 2026 Is Now Live!

Marian Luparu

Pure Virtual C++ 2026 is streaming now — watch five featured sessions live with Q&A, plus a full on-demand playlist, all free.

Jul 20, 2026

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C++ Dependencies Without the Headache: vcpkg + Copilot CLI

Augustin Popa

At Pure Virtual C++ 2026, we build a C++ console app from an empty folder using CMake, MSVC, and GitHub Copilot CLI. This walkthrough shows a practical prompt sequence for dependency selection, reproducible builds, and controlled updates.

Jul 17, 2026

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Faster C++ iterative builds with GitHub Copilot

David Li

Slow builds are a consistent theme of feedback from C++ developers. We built GitHub Copilot build performance for Windows so you can leverage Copilot to optimize your project’s build times. This workflow will find optimizations that bring your build times down. At first, we only measured the impact of build optimizations on full clean builds. While that number is valuable, we know that you are not rebuilding from scratch on most days. You edit a file and build, then repeat the process as part of your iterative loop. Working with customers after the public preview, we noticed that every now and then, the age...

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