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As explained in more detail in our lifecycle and support policy, version 15.9 will be supported with security updates through April 2027, which is the remainder of the Visual Studio 2017 product lifecycle.īecause Visual Studio 2017 is now in extended support, all administrator updates now cover all minor version ranges of the product. Enterprise and Professional customers needing to adopt a long term stable and secure development environment are encouraged to standardize on this version. Visual Studio 2017 version 15.9 is the final supported servicing baseline for Visual Studio 2017 and has entered the extended support period. These headers are discouraged for pure C++ code, but not subject to future removal.Download Visual Studio 2017 Support Timeframe

Notes: xxx.h headers are deprecated in C++98 and undeprecated in C++23. This applies even to functions and function overloads that are not part of C standard library. Including definitely provides :: malloc and may also provide std:: malloc. These headers are allowed to also declare the same names in the std namespace, and the corresponding c xxx headers are allowed to also declare the same names in the global namespace: including definitely provides std:: malloc and may also provide :: malloc. With the exception of complex.h, each xxx.h header included in the C++ standard library places in the global namespace each name that the corresponding c xxx header would have placed in the std namespace. Source files that are not intended to also be valid ISO C should not use any of the C headers. It is possible that C++ source files need to include one of these headers in order to be valid ISO C.

The intended use of headers of form xxx.h is for interoperability only. Std::thread class and supporting functions įor some of the C standard library headers of the form xxx.h, the C++ standard library both includes an identically-named header and another header of the form c xxx (all meaningful c xxx headers are listed above).