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GeezerVison is showing devblogs.microsoft.com — C++ Team Blog C++ Team BlogThe latest in C++, Visual Studio, VS Code, and vcpkg from the MSFT C++ team Latest posts
Nov 10, 2026
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Automatic MSBuild configuration for the Microsoft C++ Language Server in Copilot CLI
Accurate C++ code intelligence starts with understanding how your project builds. Compiler options, include paths, and preprocessor definitions all affect how the language server interprets your source files. A compilation database, such as , provides that context, so that tools such as go-to-definition and find-references can resolve symbols accurately. The Microsoft C++ Language Server now brings automatic configuration for MSBuild-based projects to GitHub Copilot CLI, using the same enterprise-grade C++ and MSBuild tooling we’ve developed and refined over years of investment in Visual Studio. This extends ...
Oct 29, 2026
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What’s New in vcpkg (Oct 2026)
This blog post summarizes changes to the vcpkg package manager as part of the 2026-10-16 registry release and the 2026-09-26 tool release. These updates include configurable binary-cache compression, improved cache reliability and diagnostics, Boost 1.92, and other improvements and bug fixes. vcpkg changelog (2026.10.16 release) Tool improvements Notable port updates Documentation updates The following documentation changes were published recently: Total ports a...
Oct 21, 2026
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Microsoft CppCon 2026 Trip Report
CppCon 2026 is a wrap! Microsoft returned to Aurora, Colorado, for a week of talks, technical discussions, and conversations with developers from across the C++ community. Microsoft C++ @ CppCon At our booth, we met people building games, financial systems, developer tools, embedded software, scientific tools, and other applications. Some were working with the latest language features, and others were maintaining and modernizing systems that have been in production for decades. Many talked to us about debugging, performance, build systems, or modern C++, and a growing number were experimenting with ways AI can ...
Oct 15, 2026
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MSVC Build Tools Version 14.52 Release Candidate Now Available
We are pleased to announce the availability of the release candidate for Microsoft C++ (MSVC) Build Tools version 14.52. With this release, C++23 is ready for production use and available through the /std:c++23 compiler option; see below for details. This is the last MSVC v14.52 preview before it moves to stable status and full support. You can download it from the Visual Studio 2026 Insiders Channel. As this is the release candidate, it is now the default toolset installed with C++ workloads in this channel. To check if it’s installed simply make sure one or both of these components are checked in the installer:...
Sep 25, 2026
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Visual Studio Code CMake Tools 1.24
CMake Tools 1.24 includes several reliability fixes and productivity improvements. You can run tests from the editor, save preset-backed cache edits as user overrides, and keep source-file lists up to date. See the CMake Tools release page and full changelog for details. Thank you to the community contributors whose work is included in these updates: Run and debug CTest tests from the editor Discovered CTest tests with resolved source locations now have Run and Debug CodeLens actions in the editor. These complement the existing Run and Debug actions and source navigation in the Pr...
Sep 22, 2026
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Faster C++ code intelligence for Copilot CLI with Whole Codebase Indexing
C++ repositories can contain millions of lines of code spread across deeply connected source files and headers. Without a reusable index, navigating to definitions, finding references, or searching for symbols may require portions of that information to be analyzed again as you move through the repository. C++ code intelligence in GitHub Copilot CLI is now faster with support for Whole Codebase Indexing (WCI). Powered by the Microsoft C++ Language Server, WCI uses your project’s compilation information to maintain a persistent index of symbols and relationships across source files and headers, allowing Copilot...
Sep 16, 2026
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Bringing Correctly Rounded Math to Production with LLVM-libc
Cody, Tue, Michael As we mentioned in the last cmath blog post, MSVC is using LLVM-libc for compile-time evaluation and runtime execution of math functions when is enabled. I invited LLVM-libc contributors Michael Jones and Tue Ly to write a guest blog post about how they’ve achieved what they’ve achieved. This is that blog post! I hope you enjoy it. I learned a lot from reading it, even after having spent a lot of time in this area. - Cody, Microsoft C++ Compiler Frontend Engineer Hi, I'm Michael Jones, the lead maintainer for LLVM-libc. Cody invited me and our math lead, Tue Ly, to write a guest post about LLVM-libc's math f...
Sep 14, 2026
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C++ in the Age of AI: Visual Studio at CppCon 2026
At CppCon 2026, we shared how Visual Studio is evolving to help you work more effectively with large C++ codebases, improve build and runtime performance, adopt the latest language features, and incorporate AI into your existing workflows. This post is a companion reading guide for our session, C++ in the Age of AI: How Visual Studio Is Evolving, with links to learn more about the features and improvements we discussed. Before going through the post, you can watch a recording of the talk here: What's new in Visual Studio 2026 These two release roundups provide the most complete overview of what has chang...
Sep 14, 2026
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What’s New for C++ Developers in Visual Studio 2026 (18.7 – 18.10)
Over the past few months, we have continued shipping monthly Visual Studio 2026 releases, delivering improvements across all stages of the development cycle. In this blog post, we'll recap everything that changed from version 18.7 through 18.10 (released this month) that is relevant for C++ developers. This includes new tools for maintaining and navigating C++ projects, along with Git, GitHub Copilot, and debugging improvements that support the way large native codebases are built. Some headlines include the GitHub Copilot modernization experience (now generally available) to guide you through MSVC upgrades, a... |
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