Release notes from vscode-cpptools

1.31.1

2026-03-10T21:09:40Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancements

Update clang-tidy and clang-format from 21.1.4 to 22.1.0.
Update support for the latest compiler versions.

Bug Fixes

Fix workspace symbol search with scope::variable not working after symbols are deleted and then added back. #14200
Fix bugs where a path was checked for existence but not whether it was a file or a folder. #14257
Add IntelliSense support for __builtin_is_implicit_lifetime.
Fix three IntelliSense process crashes.
Fix a bug with -embed-directory.
Add some missing translations.

1.31.0

2026-02-20T02:07:38Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancements

Add support for program in attach debug configurations. #14046
- Thanks for the contribution. @Subham-KRLX (Subham) PR #14108
Update SQLite to the latest version.

Bug Fixes

Fix an IntelliSense error with deducing this (explicit object member functions) with conversion operators. #14140
Fix embed-dir compiler arguments not being handled for IntelliSense. #14154

1.30.5 (patch update)

2026-02-09T21:07:28Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Change

Bug Fix

Fix a potential language server deadlock after editing code.

1.30.4 (patch update)

2026-02-03T22:47:53Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Change

Bug Fix

Fix signing of MIEngine. PR MIEngine#1544

1.30.3

2026-02-03T00:55:34Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancements

Add IntelliSense support for C++23 multidimensional subscript operators. #11400, #13798
Change C completion behavior to automatically trigger after the struct/union/enum keyword and to filter based on the keyword. #13634
Add IntelliSense support for C23/C++26 #embed. #13705
Change C++ completions after using namespace to include only namespaces and namespace aliases. #14091
Add IntelliSense support for C++23 static operator[].

Bug Fixes

Fix C_Cpp.commentContinuationPatterns not working after the 2nd line (for non-/** patterns). #8998
- Thanks for the contribution. @dinhtam2c PR #14074
Fix ${userHome} not resolving in C_Cpp path settings. #10350
Fix the Locals/Watch window displaying std::map<enum, struct> incorrectly when using the cppdbg debugger. #12102
- Thanks for the contribution. @OXINARF (Francisco Ferreira) PR MIEngine#1531
Fix an incorrect IntelliSense error on an overridden method. #13729
Fix an IntelliSense error with std::countl_zero. #13876
Fix an IntelliSense squiggle on the wrong identifier when assigning to a constant member variable. #14018
Fix IntelliSense with Clang mode C++23 deduced type construction with auto. #14041
Fix a long args list in launch.json getting truncated when using the cppdbg debugger. #14054
- Thanks for the contribution. @Subham-KRLX (Subham) PR MIEngine#1529
Fix changes to C_Cpp.commentContinuationPatterns not taking effect until the extension restarts. #14079
Fix C_Cpp.commentContinuationPatterns not working correctly for a pattern if it's a prefix of a pattern that is later in the list. #14081
Fix completion not automatically triggering if invoked on the last column of a line when the previous token is an identifier. #14086
Fix an IntelliSense error with std::popcount. #14105
Fix GitHub Copilot hover. #14114
Fix headers sometimes using a header-only configuration from a configuration provider instead of the source file's configuration. #14126
Fix a reference in a #define not being found if it's directly after a #include. #14130
Fix a bug that could cause IntelliSense operations to fail when a document is closed during processing.
Fix an IntelliSense crash in a_completion_symbol_manager::handle_function when Copilot is enabled.
Fix a bug with internal buffer handling that could cause some IntelliSense operations to fail.

1.30.2

2026-01-26T23:02:01Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancement

Add IntelliSense support for MSVC mode C++23 multidimensional subscript operators. #13798

Bug Fixes

Fix the Locals/Watch window displaying std::map<enum, struct> incorrectly when using the cppdbg debugger. #12102
Fix a long args list in launch.json getting truncated when using the cppdbg debugger. #14054
Downgrade the version of SQLite used to see if that fixes the Windows ARM64 heap corruption that started with 1.30.1. #14142

1.30.1

2026-01-13T20:14:04Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancements

Add IntelliSense support for C23/C++26 #embed. #13705
Add IntelliSense support for C++23 multidimensional subscript operators for gcc/clang modes (not msvc yet).
Add IntelliSense support for C++23 static operator[].

Bug Fixes

Fix an incorrect IntelliSense error on an overridden method. #13729
Fix an IntelliSense error with std::countl_zero. #13876
Fix an IntelliSense squiggle on the wrong identifier when assigning to a constant member variable. #14018
Fix IntelliSense with clang mode C++23 deduced type construction with auto. #14041
Fix an IntelliSense error with std::popcount. #14105
Fix GitHub Copilot hover. #14114
Fix headers sometimes using a header-only configuration from a configuration provider instead of the source file's configuration. #14126
Fix a reference in a #define not being found if it's directly after a #include. #14130
Fix a bug that could cause IntelliSense operations to fail when a document is closed during processing.
Fix a bug with internal buffer handling that could cause some IntelliSense operations to fail.

1.30.0

2025-12-16T00:03:36Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

Enhancements

Change C completion behavior to automatically trigger after the struct/union/enum keyword and to filter based on the keyword. #13634
Change C++ completions after using namespace to filter to include only namespaces and namespace aliases. #14091

Bug Fixes

Fix C_Cpp.commentContinuationPatterns not working after the 2nd line (for non-/** patterns). #8998
- Thanks for the contribution. @dinhtam2c PR #14074
Fix ${userHome} not resolving in C_Cpp path settings. #10350
Fix completion not automatically triggering if invoked on the last column of a line when the previous token is an identifier. #14086
Fix changes to C_Cpp.commentContinuationPatterns not taking effect until the extension restarts. #14079
Fix C_Cpp.commentContinuationPatterns not working correctly for a pattern if it's a prefix of a pattern that is later in the list. #14081
Fix an IntelliSense crash in a_completion_symbol_manager::handle_function when Copilot is enabled.

1.29.3 (patch update)

2025-12-09T15:16:28Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Change

Bug Fix

Remove NETFXSDKDir from the developer environment check. #14084

1.29.2

2025-12-03T23:11:54Z

Instructions

The extension can be obtained by one of the methods below:

Install the "C/C++" or "C/C++ Extension Pack" extension published by Microsoft from the Extensions view in VS Code.
Download a vsix that matches your OS from the Assets section below (and install it via the method mentioned above). The previous download methods have the vsix signatures verified by the Marketplace, but for this method, you can do the verification by downloading the matching manifest and signature.p7s file and running npx @vscode/vsce@latest verify-signature -i <.vsix> -m <.signature.manifest> -s <.signature.p7s> vscode-vsce#1044.

Requirements

VS Code 1.67.0 or later (April 2022).
Windows 7+ (x64, arm64), macOS 10.12+, Linux (Ubuntu 16+, etc.).
- Debugging is not supported on CentOS 7 or RHEL 7. The last supported version was 1.22.11: #13219.

Changes

New Feature

Enable setting the VS developer environment without running VS Code from the developer command prompt. #4742

Enhancements

Add built-in file associations for C++ extensionless system headers and set C_Cpp.autoAddFileAssociations to false by default. #4077
Add IntelliSense support for c23 enums with an underlying type. #13675

Bug Fixes

Fix 'Find All References' and 'Rename' on #define macro definitions. #6194
Fix anonymous enums not working in gcc/clang modes. #10436
Fix Doxygen comments at the end of a function. #13725
Fix mac framework search path detection to include paths passed in the includePath from a configuration provider, and fix omission of unpopulated Mac framework paths. #13993
Fix formatting with clang-tidy randomly getting stuck on Windows (on a call to GetOverlappedResult). #14025
Fix IntelliSense with MSVC mode C++23 deduced type construction with auto. #14041
Fix code analysis re-running automatically after a settings change when diagnostics already exist if it was manually instead of automatically invoked.
Reduce the memory usage in a couple cases to reduce the chance of a bad_alloc in cpptools.
Update clang-format and clang-tidy from 21.1.3 to 21.1.4 (fixes some formatting bugs).
Fix the handling of the cl.exe /external:I argument for IntelliSense configuration.
Fix a case where a large file could cause a bad_alloc in cpptools-srv on Windows.
Update the default compiler search to include newer versions of clang/gcc.
Fix a potential memory corruption crash of cpptools-srv (related to PCH).
Fix a crash in detect_encoding.