• Dropped support for Python 3.8
• Removed the bdist_wheel setuptools command implementation and entry point. The wheel.bdist_wheel module is now just an alias to setuptools.command.bdist_wheel, emitting a deprecation warning on import.
• Removed vendored packaging in favor of a run-time dependency on it
• Made the wheel.metadata module private (with a deprecation warning if it's imported
• Made the wheel.cli package private (no deprecation warning)
• Fixed an exception when calling the convert command with an empty description field