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GitHub Copilot CLI adds whole codebase indexing for C++
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Why it matters
- →Persistent indexing removes the latency penalty of re-scanning large C++ projects on every interaction.
- →Enables accurate symbol resolution across deeply connected header and source files without manual configuration.
- →Makes Copilot CLI viable for complex enterprise C++ codebases that previously suffered from slow response times.
GitHub has enabled whole codebase indexing by default for C++ repositories in GitHub Copilot CLI. The feature uses the Microsoft C++ Language Server to create a persistent index of symbols, types, and file relationships across the entire project. This eliminates the latency caused by rediscovering project information for each individual request. While initial indexing requires additional time and memory, the system dynamically updates the index, providing faster code intelligence for subsequent interactions.
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