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vscode takes up too much memory

investigate: reproThis issue's repro steps needs to be investigated/confirmedThis issue's repro steps needs to be investigated/confirmed

Language Service

Not Repro - InternalVerified issue does not reproduceVerified issue does not reproduce

performance

Status: Open.

#10945 In microsoft/vscode-cpptools;

· Otpvondoiats opened on May 12, 2023

Some providers should be deregistered/re-registered when the related feature is disabled/enabled

Language Service

Status: Open.

#11229 In microsoft/vscode-cpptools;

· Colengms opened on Jul 21, 2023

Indexing wrong compiler include paths when compiler defined with CMake Tools provider

bug

Feature: Code AnalysisRelated to integration with clang-tidy, cppcheck, cl.exe /analyze, etc.Related to integration with clang-tidy, cppcheck, cl.exe /analyze, etc.

Language Service

Status: Open.

#12516 In microsoft/vscode-cpptools;

· vis4rd opened on Jul 25, 2024

clang-tidy throws bunch of false errors from <*intrin.h>

bug

Feature: Code AnalysisRelated to integration with clang-tidy, cppcheck, cl.exe /analyze, etc.Related to integration with clang-tidy, cppcheck, cl.exe /analyze, etc.

investigate: reproThis issue's repro steps needs to be investigated/confirmedThis issue's repro steps needs to be investigated/confirmed

Language Service

Status: Open.

#12565 In microsoft/vscode-cpptools;

· Xotchkass opened on Aug 13, 2024

Build automation/tooling to support performance testing and monitoring of the extension

internalUsed to opt-out an issue from having GitHub actions applied to itUsed to opt-out an issue from having GitHub actions applied to it

Language Service

performance

Status: Open.

#12644 In microsoft/vscode-cpptools;

· fearthecowboy opened on Aug 27, 2024

<code>clang-format</code> autoformatting not working properly when using a <code>.clang-format</code> file

bug

Feature: Code Formatting

Language Service

Status: Open.

#12680 In microsoft/vscode-cpptools;

· thernstig opened on Sep 4, 2024

With C_Cpp.caseSensitiveFileSupport "enabled" on Windows, IntelliSense sometimes fails

bug

investigate: reproThis issue's repro steps needs to be investigated/confirmedThis issue's repro steps needs to be investigated/confirmed

Language Service

regressionA bug that didn't exist in a previous releaseA bug that didn't exist in a previous release

Status: Open.

#12732 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Sep 18, 2024

Make the extension look for the compiler in the PATH environment variable as well

bug

compiler support

Feature: ConfigurationAn issue related to configuring the extension or IntelliSenseAn issue related to configuring the extension or IntelliSense

Language Service

Status: Open.

#12779 In microsoft/vscode-cpptools;

· luizfernandonb opened on Sep 27, 2024

Incorrect inactive region when preprocessor directive is preceded by a comment

bug

Feature: Colorization

Language Service

Status: Open.

Bug

#12882 In microsoft/vscode-cpptools;

· Colengms opened on Oct 24, 2024

Extract to function sometimes adds a #include with the folder missing from the path

bug

Feature: Extract to functionExtract to function (free function or member function)Extract to function (free function or member function)

Language Service

Status: Open.

Bug

#12897 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Oct 29, 2024

No database created during queryCompilerDefaults causing cpptools to exit

bug

Language Service

regressionA bug that didn't exist in a previous releaseA bug that didn't exist in a previous release

reliability

Status: Open.

Bug

#12976 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Nov 19, 2024

Add tests for each file encoding supported by VS Code

internalUsed to opt-out an issue from having GitHub actions applied to itUsed to opt-out an issue from having GitHub actions applied to it

Language Service

world readyAn issue relating string character encodings, localization translations, etc.An issue relating string character encodings, localization translations, etc.

Status: Open.

#13178 In microsoft/vscode-cpptools;

· Colengms opened on Jan 22, 2025

Regression in relative include path resolution since 1.23.6

bug

Feature: ConfigurationAn issue related to configuring the extension or IntelliSenseAn issue related to configuring the extension or IntelliSense

Language Service

regressionA bug that didn't exist in a previous releaseA bug that didn't exist in a previous release

Status: Open.

Bug

#13606 In microsoft/vscode-cpptools;

· l-inc opened on May 13, 2025

<code>/U</code>, <code>-U</code> 'undefine' argument not properly supported

bug

compiler support

Language Service

Status: Open.

Bug

#13786 In microsoft/vscode-cpptools;

· Colengms opened on Jul 28, 2025

Show some better UI hint that a compiler is not available from the dropdown of Debug C/C++ file due to a debugger being missing

enhancementImprovement to an existing featureImprovement to an existing feature

tasks/build/debugAn issue relating to tasks.json (e.g. build issues)An issue relating to tasks.json (e.g. build issues)

Status: Open.

Feature

#13804 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Aug 2, 2025

cpptools-srv crash in class_member_declaration

bug

Language Service

reliability

Status: Open.

Bug

#13956 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Sep 22, 2025

cpptools-srv crash in scan_ptr_to_member_operator

bug

Language Service

reliability

Status: Open.

Bug

#13961 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Sep 24, 2025

Formatter or IntelliSense prevents file from being saved by keyboard shortcut Cmd-S

bug

Feature: Code Formatting

investigate: reproThis issue's repro steps needs to be investigated/confirmedThis issue's repro steps needs to be investigated/confirmed

Language Service

performance

Status: Open.

Bug

#13972 In microsoft/vscode-cpptools;

· lijh8 opened on Sep 30, 2025

Update Wiki for "RAM disk usage instructions for IntelliSense cache (ipch)"

docsIssue related to documentation about the extensionIssue related to documentation about the extension

Status: Open.

Task

#13991 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Oct 10, 2025

Go to declaration always shows 2 files, relative and absolute paths

bug

Language Service

symlinks

Status: Open.

Bug

#3288 In microsoft/vscode-cpptools;

· idanemergi opened on Mar 14, 2019

<code>__Generic</code> cases cannot contains both <code>enum</code> and <code>size_t</code>

bug

Language Service

Status: Open.

Bug

#14122 In microsoft/vscode-cpptools;

· loynoir opened on Jan 3, 2026

IntelliSense: please add SYCL C++(*.sycl) to parser support list.

enhancementImprovement to an existing featureImprovement to an existing feature

Language Service

Status: Open.

Bug

#14119 In microsoft/vscode-cpptools;

· xuhancn opened on Dec 29, 2025