Your premise is incorrect. As of Python 3.6, dicts remember their insertion order. This is currently an implementation detail, but will likely be promoted to a full language feature in the near future. In the meantime, for the specific case of **kwargs, order preservation is specifically guaranteed.

Your premise is incorrect. As of Python 3.6, dicts remember their insertion order. This was an implementation detail, and was promoted to full language feature in 3.7. In 3.6, for the specific case of **kwargs, order preservation is specifically guaranteed.