https://packaging.python.org/discussions/wheel-vs-egg/#wheel-vs-egg
Wheel and Egg are both packaging formats that aim to support the use case of needing an install artifact that doesn’t require building or compilation, which can be costly in testing and production workflows.
The Egg format was introduced by setuptools in 2004, whereas the Wheel format was introduced by PEP 427 in 2012.
Wheel is currently considered the standard for built and binary packaging for Python.
Here’s a breakdown of the important differences between Wheel and Egg.