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Indexing every time VS code is restarted, IntelliSense indexing is too slow for large C/C++ projects – suggest persistent cache and Git-aware incremental updates

bug

Language Service

more info neededThe issue report is not actionable in its current stateThe issue report is not actionable in its current state

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

performance

Status: Open.

Bug

#13927 In microsoft/vscode-cpptools;

· Ma-Ike opened on Sep 12, 2025

rename function name doesn't work in C project

bug

Feature: Rename

Language Service

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

Status: Open.

#12238 In microsoft/vscode-cpptools;

· jishihao-001 opened on Apr 22, 2024

Build command sometimes has to wait 5-10 seconds on "Fetching Build Tasks..."

bug

help wantedCan be fixed in the public (open source) repo.Can be fixed in the public (open source) repo.

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

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

Status: Open.

#10474 In microsoft/vscode-cpptools;

· sborkowski opened on Feb 6, 2023

External dependency not found, but found

bug

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

Language Service

more info neededThe issue report is not actionable in its current stateThe issue report is not actionable in its current state

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

Status: Open.

#10216 In microsoft/vscode-cpptools;

· cdecompilador opened on Dec 1, 2022

IntelliSense squiggles randomly stop updating after editing

bug

Language Service

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

Status: Open.

#7118 In microsoft/vscode-cpptools;

· sean-mcmanus opened on Mar 6, 2021

· 

Unification

cpptools takes hours of CPU time per day for a project which compiles in 5 seconds

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

Language Service

not reproingWe're not able to reproduce the issue (it's unlikely to get fixed until we find one).We're not able to reproduce the issue (it's unlikely to get fixed until we find one).

performance

Status: Open.

#5574 In microsoft/vscode-cpptools;

· MSoegtropIMC opened on May 27, 2020