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Features
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- Merged with pypa/distutils55982565e, including interoperability improvements for rfc822_escape (pypa/distutils213), dynamic resolution of config_h_filename for Python 3.13 compatibility (pypa/distutils219), added support for the z/OS compiler (pypa/distutils216), modernized compiler options in unixcompiler (pypa/distutils214), fixed accumulating flags bug after compile/link (pypa/distutils207), fixed enconding warnings (pypa/distutils236), and general quality improvements (pypa/distutils234). (4298)