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Why is Xcode's C++20 support so far behind?

When will Xcode support C++20 and its libraries in full? Even simple things like the header are still missing 3 years after C++20 was finalized.

• Xcode

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Python Script in Terminal Not Requesting Mic Access

I am trying to run a Python script from the Terminal that uses portaudio to record from the mic. Since macOS 12.x, it no longer requests permission to access the mic and simply returns an error. PortAudioError: Error opening InputStream: Invalid number of channels [PaErrorCode -9998] Any ideas on how to allow mic access to a Python script?

• macOS
• Custom Apps

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C++20 in Xcode 11.4.1?

Does anyone know how to enable the current Clang C++20 feature support in Xcode 11.4.1?Neither C++2a, nor C++20 appear to be an option in the project's Apple Clang - Language - C++ settings for C++ Language Dialect.

• LLVM

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