Visual Studio 2026 version 18.4.0 released



 Visual Studio 2026 release notes:

Released on March 10, 2026.

IDE​

JSON editor improvements
JSON editor now a part of the Core Editor.

Productivity​

HTML rich copy/cut

GitHub Copilot​

Find_symbol tool for agent mode
Enterprise level MCP governance

Debugging & diagnostics​

Smart Watch Suggestions
Profile Tests with Copilot
Perf tips powered by live profiling

.NET​

Fix vulnerabilities with Copilot

C++​

MSVC Build Tools version 14.51 Preview

Top bug fixes​

Top bug fixesFrom the community
Severe IntelliSense Delay After Upgrading to Visual Studio 2026Fedback Ticket
VS2026 generates incorrect FP codeFedback Ticket
"Operation is not valid due to the current state of the object" when opening a file with an "unknown" extensionFedback Ticket
NoWarn in PackageReference is ignored since Visual Studio 18.3.0Fedback Ticket
In some instances, Visual Studio 2026 not showing variable values on hover during debuggingFeedback ticket
Bug fix in MSVC optimizer that causes bad assembly code generation
VisualCppTools. 4.50.35724 PdbCopy.Exe Arm64 Pdb Copy CrashesFedback Ticket
Update MinGit and Git for Windows to handle new allowNTLMAuth setting


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