More consistent installs across platforms and machines.pyc files as part of installation to ensure they match the Python interpreter used. Allows better caching for testing and continuous integration.Installation of a C extension does not require a compiler on Linux, Windows or macOS.Avoids arbitrary code execution for installation.Faster installation for pure Python and native C extension packages.Support is offered in pip >= 1.4 and setuptools >= 0.8. Wheels are the new standard of Python distribution and are intended to replace eggs.