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We are pleased to announce AddressSanitizer (ASan) support for the Microsoft C++ (MSVC) Build Tools for ARM64 targets. ASan is a runtime memory error detector that identifies difficult-to-find bugs with zero false positives and improves memory safety. More technical information on ASan can be found at aka.ms/asan.  ASan has long supported the x6...

Refactoring a C++ codebase can often require tracking updates across various sections of multiple files to ensure accuracy and relevancy.  Historically, developers have relied on manual searches across a codebase and refactoring tools to perform these types of edits. However, with GitHub Copilot agents, developers can now delegate these complex...

A few problems have reared their heads at every company where I’ve worked on C++ as a Software Engineer over the past 20 years. For the most part, those problems have nothing to do with the language and how it is used, but instead all the “other” stuff, like dealing with long build times, getting consistent build environments, and managing the ...

Get ready to level up your C++ productivity, because Visual Studio 2026 version 18.0 is now generally available! You can take advantage of the new features, bug fixes, and performance improvements in your production environment. This post describes what’s new for C++ developers, including new features or improvements in these areas: ...

With Visual Studio 2026 version 18.0 getting closer to General Availability (GA), we want to share with you how you can upgrade your projects from your current versions of Visual Studio and the Microsoft C++ (MSVC) Build Tools to the latest versions. The new IDE ships with the v145 platform toolset for MSBuild C++ projects and MSVC Build Tools vers...

Yesterday at GitHub Universe, GitHub announced support for custom agents. Custom agents are specialized configurations with custom prompts and context that focus Copilot on specific development tasks. On the C++ team, we have a similar goal: Provide differentiated capabilities that optimize GitHub Copilot for C++ development tasks. As a firs...

  It's that time of year again! We are excited to see you all at CppCon this year, where we'll once again be delivering a variety of presentations, from the latest advancements in debugging technology to extensibility frameworks for AI agents. See the end of this post for a listing of all of the sessions involving Microsoft staff. And y...

C++ Language Updates in MSVC Build Tools v14.50 It has been some time since we have provided an update on MSVC progress, and this one comes with the latest major update to our IDE: Visual Studio 2026 version 18.0. This version of Visual Studio ships with the MSVC Build Tools version 14.50, which includes version 19.50 of the MSVC compiler. You can...

Version 4 of Microsoft's Proxy library brings feature improvements, better diagnostics, better code generation, modern compiler/debugger support.

We’re excited to announce the latest 1.21 release of the CMake Tools extension for Visual Studio Code. This update brings a host of new updates, including addressing one of our top-voted issues for multi-root improvements and adding CMake presets version 10 support. To view the full list of updates with this release, please look at our CHANGELOG. ...